diff --git a/lib/document.js b/lib/document.js
index feffc4b..6032856 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -4,6 +4,7 @@ export default class DIDDocument {
 
 	constructor( document, mode = 'reference' ) {
 		this.id = document.id;
+		this.alsoKnownAs = document.alsoKnownAs;
 		this.controller = document.controller;
 		this.verificationMethod = document.verificationMethod;
 		this.authentication = getRelationship( document.verificationMethod, document.authentication );
@@ -20,6 +21,7 @@ export default class DIDDocument {
 		if( this.mode === 'explicit' )
 			return {
 				id: this.id,
+				alsoKnownAs: this.alsoKnownAs,
 				controller: this.controller,
 				verificationMethod: this.verificationMethod,
 				authentication: this.authentication,
@@ -32,6 +34,7 @@ export default class DIDDocument {
 		const document = this.document;
 		return {
 			id: this.id,
+			alsoKnownAs: this.alsoKnownAs,
 			controller: this.controller,
 			verificationMethod: this.document.verificationMethod,
 			authentication: getExistingMethods( document.verificationMethod, document.authentication ),
diff --git a/lib/lac1/DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json b/lib/lac1/DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json
new file mode 100644
index 0000000..5379519
--- /dev/null
+++ b/lib/lac1/DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json
@@ -0,0 +1,1285 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "DIDRegistryRecoverableGM",
+  "sourceName": "contracts/identity/didRegistryGasModel/DIDRegistryRecoverable.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "_minKeyRotationTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "_maxAttempts",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "_minControllers",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint256",
+          "name": "_resetSeconds",
+          "type": "uint256"
+        },
+        {
+          "internalType": "address",
+          "name": "trustedForwarderAddr",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "string",
+          "name": "akaId",
+          "type": "string"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "validTo",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "changeTime",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "AKAChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes",
+          "name": "name",
+          "type": "bytes"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes",
+          "name": "value",
+          "type": "bytes"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "validTo",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "changeTime",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "DIDAttributeChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newController",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "DIDControllerAdded",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "controller",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "DIDControllerChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "removedController",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "DIDControllerRemoved",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "DIDControllersDeactivated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        }
+      ],
+      "name": "DIDDeactivated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "validTo",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "changeTime",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "previousChange",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "DIDDelegateChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "actor",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bool",
+          "name": "keyRotationStatus",
+          "type": "bool"
+        }
+      ],
+      "name": "KeyRotationStatusChanged",
+      "type": "event"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "accountStatus",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "string",
+          "name": "akaId",
+          "type": "string"
+        },
+        {
+          "internalType": "uint256",
+          "name": "validity",
+          "type": "uint256"
+        }
+      ],
+      "name": "addAKAIdentifier",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "controller",
+          "type": "address"
+        }
+      ],
+      "name": "addController",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "validity",
+          "type": "uint256"
+        }
+      ],
+      "name": "addDelegate",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "validity",
+          "type": "uint256"
+        }
+      ],
+      "name": "addDelegateSigned",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "areControllersDeactivated",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "_areControllersDeactivated",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "name": "attributes",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "changed",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "name": "controllers",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "deactivateAccount",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "deactivateControllers",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "delegates",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "disableKeyRotation",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "keyRotationTime",
+          "type": "uint256"
+        }
+      ],
+      "name": "enableKeyRotation",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "newController",
+          "type": "address"
+        }
+      ],
+      "name": "enrollNewAndSetMainController",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "failedAttempts",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "getControllers",
+      "outputs": [
+        {
+          "internalType": "address[]",
+          "name": "controllerList",
+          "type": "address[]"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "identityController",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "isAccountDeactivated",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "isDeactivated",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "isKeyRotationEnabled",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "lastAttempt",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "minKeyRotationTime",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "name": "nonce",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        }
+      ],
+      "name": "recover",
+      "outputs": [
+        {
+          "components": [
+            {
+              "internalType": "bool",
+              "name": "isVoteAdded",
+              "type": "bool"
+            },
+            {
+              "internalType": "bool",
+              "name": "isMainControllerChanged",
+              "type": "bool"
+            }
+          ],
+          "internalType": "struct IDIDRegistryRecoverable.DIDRecoverResult",
+          "name": "result",
+          "type": "tuple"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "backupController",
+          "type": "address"
+        }
+      ],
+      "name": "recoverSigned",
+      "outputs": [
+        {
+          "components": [
+            {
+              "internalType": "bool",
+              "name": "isVoteAdded",
+              "type": "bool"
+            },
+            {
+              "internalType": "bool",
+              "name": "isMainControllerChanged",
+              "type": "bool"
+            }
+          ],
+          "internalType": "struct IDIDRegistryRecoverable.DIDRecoverResult",
+          "name": "result",
+          "type": "tuple"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "name": "recoveredKeys",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "string",
+          "name": "akaId",
+          "type": "string"
+        }
+      ],
+      "name": "removeAKAIdentifier",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "controller",
+          "type": "address"
+        }
+      ],
+      "name": "removeController",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes",
+          "name": "name",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "value",
+          "type": "bytes"
+        },
+        {
+          "internalType": "uint256",
+          "name": "revokeDeltaTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "revokeAttribute",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "name",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "value",
+          "type": "bytes"
+        },
+        {
+          "internalType": "uint256",
+          "name": "revokeDeltaTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "revokeAttributeSigned",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "revokeDeltaTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "revokeDelegate",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "revokeDeltaTime",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bool",
+          "name": "compromised",
+          "type": "bool"
+        }
+      ],
+      "name": "revokeDelegateSigned",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "newController",
+          "type": "address"
+        }
+      ],
+      "name": "rotateMainController",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "newController",
+          "type": "address"
+        }
+      ],
+      "name": "rotateMainControllerSigned",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes",
+          "name": "name",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "value",
+          "type": "bytes"
+        },
+        {
+          "internalType": "uint256",
+          "name": "validity",
+          "type": "uint256"
+        }
+      ],
+      "name": "setAttribute",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "uint8",
+          "name": "sigV",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigR",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sigS",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "name",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "value",
+          "type": "bytes"
+        },
+        {
+          "internalType": "uint256",
+          "name": "validity",
+          "type": "uint256"
+        }
+      ],
+      "name": "setAttributeSigned",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "identity",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "delegateType",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "delegate",
+          "type": "address"
+        }
+      ],
+      "name": "validDelegate",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
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+      "name": "version",
+      "outputs": [
+        {
+          "internalType": "uint16",
+          "name": "",
+          "type": "uint16"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
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+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/lib/lac1/lac1Did.js b/lib/lac1/lac1Did.js
index 6770570..f81266e 100644
--- a/lib/lac1/lac1Did.js
+++ b/lib/lac1/lac1Did.js
@@ -1,9 +1,9 @@
 import { keccak256 } from "ethers/lib/utils.js";
 import DID from "../did.js";
-import * as ethers from 'ethers';
+import * as ethers from "ethers";
 import base58 from "bs58";
 import lacchain from "@lacchain/gas-model-provider";
-import DIDRegistryContractGM from "./DIDRegistryGM.json";
+import DIDRegistryContractGM from "./DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json";
 import DIDRegistryContract from "./DIDRegistry.json";
 import { getResolver } from "./resolver.js";
 import Lac1DIDRegistry from "./lac1registry.js";
@@ -169,6 +169,27 @@ export default class DIDLac1 extends DID {
     return await this.resolver.lac1(did);
   }
 
+  async changeController(controller) {
+    if (this.readOnly)
+      throw new Error("Cannot change controller to a read-only DID");
+    const tx = await this.registry.rotateMainController(
+      this.address,
+      controller
+    );
+    return await tx.wait();
+  }
+
+  async changeControllerSigned(controllerPrivateKey, controller) {
+    if (this.readOnly)
+      throw new Error("Cannot change controller to a read-only DID");
+    const tx = await this.registry.rotateMainControllerSigned(
+      this.address,
+      controllerPrivateKey,
+      controller
+    );
+    return await tx.wait();
+  }
+
   async revokeVerificationMethod(vm) {
     if (this.readOnly)
       throw new Error("Cannot revoke verification method to a read-only DID");
@@ -181,4 +202,17 @@ export default class DIDLac1 extends DID {
     );
     return await tx.wait();
   }
+
+  async addAKAId(id, validity) {
+    if (this.readOnly)
+      throw new Error("Cannot add alsoKnownAs element to a read-only DID");
+    const tx = await this.registry.addAKAIdentifier(this.address, id, validity);
+    return await tx.wait();
+  }
+  async removeAKAId(id) {
+    if (this.readOnly)
+      throw new Error("Cannot remove alsoKnownAs element to a read-only DID");
+    const tx = await this.registry.removeAKAIdentifier(this.address, id);
+    return await tx.wait();
+  }
 }
diff --git a/lib/lac1/lac1registry.js b/lib/lac1/lac1registry.js
index d9e03d0..7f0ff2d 100644
--- a/lib/lac1/lac1registry.js
+++ b/lib/lac1/lac1registry.js
@@ -1,15 +1,19 @@
 import * as ethers from "ethers";
 import DIDRegistry from "../registry.js";
-import { attributeToHex, stringToBytes } from "../utils.js";
-import DIDRegistryContractGM from "./DIDRegistryGM.json";
+import {
+  attributeToHex,
+  stripHexPrefix,
+  stringToBytes,
+  signData,
+} from "../utils.js";
+import DIDRegistryContractGM from "./DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json";
 import DIDRegistryContract from "./DIDRegistry.json";
-
 export default class Lac1DIDRegistry extends DIDRegistry {
   constructor(conf = {}) {
     super(conf);
     this.registry = new ethers.Contract(
       conf.registry,
-      conf.nodeAddress ? DIDRegistryContractGM.abi : DIDRegistryContract.abi,
+      conf.nodeAddress ? DIDRegistryContractGM.abi : DIDRegistryContract.abi, // TODO: Update DID Reg for no-gas-model network
       this.provider
     );
   }
@@ -33,4 +37,52 @@ export default class Lac1DIDRegistry extends DIDRegistry {
       }
     );
   }
+
+  rotateMainController(address, newController) {
+    return this.registry.rotateMainController(address, newController, {
+      gasLimit: 1000000,
+      gasPrice: 0,
+    });
+  }
+
+  async rotateMainControllerSigned(
+    address,
+    controllerPrivateKey,
+    newController
+  ) {
+    const nonce = await this.registry.nonce(newController);
+    const sig = await signData(
+      address,
+      controllerPrivateKey,
+      Buffer.from("rotateMainController").toString("hex") +
+        stripHexPrefix(newController),
+      nonce.toNumber(),
+      this.conf.registry
+    );
+    return await this.registry.rotateMainControllerSigned(
+      address,
+      sig.v,
+      sig.r,
+      sig.s,
+      newController,
+      {
+        gasLimit: 1000000,
+        gasPrice: 0,
+      }
+    );
+  }
+
+  async addAKAIdentifier(address, id, validity) {
+    return this.registry.addAKAIdentifier(address, id, validity, {
+      gasLimit: 1000000,
+      gasPrice: 0,
+    }); // TODO: generalize  for non gas model networks
+  }
+
+  async removeAKAIdentifier(address, id) {
+    return this.registry.removeAKAIdentifier(address, id, {
+      gasLimit: 1000000,
+      gasPrice: 0,
+    }); // TODO: generalize  for non gas model networks
+  }
 }
diff --git a/lib/lac1/lac1resolverUtils.js b/lib/lac1/lac1resolverUtils.js
new file mode 100644
index 0000000..dabfcfe
--- /dev/null
+++ b/lib/lac1/lac1resolverUtils.js
@@ -0,0 +1,244 @@
+import bs58 from "bs58";
+import * as ethers from "ethers";
+import DIDDocument from "../document.js";
+import { bytes32toString, keyAlgorithms } from "../utils.js";
+import { keccak256 } from "ethers/lib/utils.js";
+
+const { BigNumber } = ethers;
+
+export function processVerificationMethodIdForAttribute(prefix, valueInHex) {
+  const valueArrayBuffer = Buffer.from(valueInHex.replace("0x", ""), "hex");
+  const prefixBuffer = Buffer.from(prefix, "utf-8");
+  const finalBuffer = Buffer.concat([prefixBuffer, valueArrayBuffer]);
+  const digest = keccak256(finalBuffer);
+  const bufferDigest = Buffer.from(digest.replace("0x", ""), "hex");
+  const base58Identifier = bs58.encode(bufferDigest);
+  return base58Identifier;
+}
+
+export function getVerificationMethod(did, algo, encoding, value, controller) {
+  const id = processVerificationMethodIdForAttribute(controller, value);
+  const verificationMethod = {
+    id: `${did}#${id}`,
+    type: `${keyAlgorithms[algo]}`,
+    controller,
+  };
+  switch (encoding) {
+    case null:
+    case undefined:
+    case "hex":
+      verificationMethod.publicKeyHex = value.slice(2);
+      break;
+    case "blockchain":
+      verificationMethod.blockchainAccountId = value;
+      break;
+    case "base64":
+      verificationMethod.publicKeyBase64 = Buffer.from(
+        value.slice(2),
+        "hex"
+      ).toString("base64");
+      break;
+    case "base58":
+      verificationMethod.publicKeyBase58 = bs58.encode(
+        Buffer.from(value.slice(2), "hex")
+      );
+      break;
+    case "pem":
+      verificationMethod.publicKeyPem = Buffer.from(
+        value.slice(2),
+        "hex"
+      ).toString();
+      break;
+    case "json":
+      verificationMethod.publicKeyJwk = JSON.parse(
+        Buffer.from(value.slice(2), "hex").toString()
+      );
+      break;
+  }
+  return verificationMethod;
+}
+
+export function processValidVerificationMethod(
+  did,
+  event,
+  verificationMethods,
+  services,
+  relationships,
+  value,
+  key
+) {
+  const name = bytes32toString(event.args.name);
+  const match = name.match(
+    /(vm|auth|asse|keya|dele|invo|svc)\/(.+)?\/(\w+)?\/(\w+)?$/
+  );
+  if (!match) return;
+  const type = match[1];
+  const controller = match[2];
+  const algo = match[3];
+  const encoding = match[4];
+  switch (type) {
+    case "vm":
+      verificationMethods[key] = getVerificationMethod(
+        did,
+        algo,
+        encoding,
+        value,
+        controller
+      );
+      break;
+    case "auth":
+    case "asse":
+    case "keya":
+    case "dele":
+    case "invo":
+      if (!algo && !encoding) {
+        relationships[type][key] = Buffer.from(
+          value.slice(2),
+          "hex"
+        ).toString();
+        return;
+      }
+      verificationMethods[key] = getVerificationMethod(
+        did,
+        algo,
+        encoding,
+        value,
+        controller
+      );
+      relationships[type][key] = verificationMethods[key].id;
+      break;
+    case "svc":
+      services[key] = {
+        id: processVerificationMethodIdForAttribute(type, value),
+        type: algo,
+        serviceEndpoint: Buffer.from(
+          event.args.value.slice(2),
+          "hex"
+        ).toString(),
+      };
+      break;
+  }
+}
+
+export function handleVerificationMethodRemoval(
+  relationships,
+  verificationMethods,
+  services,
+  key
+) {
+  delete relationships.auth[key];
+  delete relationships.asse[key];
+  delete relationships.keya[key];
+  delete relationships.dele[key];
+  delete relationships.invo[key];
+  delete verificationMethods[key];
+  delete services[key];
+}
+
+export function processAKAEventsOnAddingAnElement(id, alsoKnownAs) {
+  const idx = alsoKnownAs.indexOf(id);
+  if (idx < 0) {
+    alsoKnownAs.push(id);
+  }
+}
+
+export function processAKAEventsOnRemovingElement(id, alsoKnownAs) {
+  const idx = alsoKnownAs.indexOf(id);
+  if (idx > -1) {
+    alsoKnownAs.splice(idx, 1);
+  }
+}
+
+export function wrapDidDocument(
+  did,
+  caip10ControllerFormat,
+  controller,
+  history,
+  mode
+) {
+  const now = BigNumber.from(Math.floor(new Date().getTime() / 1000));
+  const valueInHex = caip10ControllerFormat.split(":")[2];
+  const defaultIdVerificationMethod = processVerificationMethodIdForAttribute(
+    did,
+    valueInHex
+  );
+  const defaultVerificationMethod = {
+    id: `${did}#${defaultIdVerificationMethod}`,
+    type: "EcdsaSecp256k1RecoveryMethod2020",
+    controller: `${did}`,
+    blockchainAccountId: caip10ControllerFormat,
+  };
+  const relationships = {
+    auth: {},
+    asse: {},
+    keya: {},
+    dele: {},
+    invo: {},
+  };
+  const verificationMethods = {};
+  const services = {};
+  const alsoKnownAs = [];
+  for (const event of history) {
+    const validTo = event.args.validTo;
+    const key = `${event.name}-${event.args.name}-${event.args.value}`;
+    const value = event.args.value;
+    if (validTo && validTo.gte(now)) {
+      if (event.name == "DIDAttributeChanged") {
+        processValidVerificationMethod(
+          did,
+          event,
+          verificationMethods,
+          services,
+          relationships,
+          value,
+          key
+        );
+      } else if (event.name == "AKAChanged") {
+        const id = event.args.akaId;
+        processAKAEventsOnAddingAnElement(id, alsoKnownAs);
+      }
+    } else {
+      if (event.name == "DIDAttributeChanged") {
+        handleVerificationMethodRemoval(
+          relationships,
+          verificationMethods,
+          services,
+          key
+        );
+      } else if (event.name == "AKAChanged") {
+        const id = event.args.akaId;
+        processAKAEventsOnRemovingElement(id, alsoKnownAs);
+      }
+    }
+  }
+
+  const doc = {
+    "@context": [
+      "https://w3id.org/did/v1",
+      "https://w3id.org/security/suites/jws-2020/v1",
+    ],
+    id: did,
+    alsoKnownAs,
+    controller,
+    verificationMethod: [defaultVerificationMethod].concat(
+      Object.values(verificationMethods)
+    ),
+    authentication: []
+      .concat([defaultVerificationMethod.id])
+      .concat(Object.values(relationships.auth)),
+    assertionMethod: []
+      .concat([defaultVerificationMethod.id])
+      .concat(Object.values(relationships.asse)),
+    keyAgreement: [].concat(Object.values(relationships.keya)),
+    capabilityInvocation: [].concat(Object.values(relationships.invo)),
+    capabilityDelegation: [].concat(Object.values(relationships.dele)),
+  };
+
+  if (Object.values(services).length > 0) {
+    doc.service = Object.values(services);
+  }
+
+  if (alsoKnownAs.length == 0) delete doc.alsoKnownAs;
+
+  return new DIDDocument(doc, mode);
+}
diff --git a/lib/lac1/resolver.js b/lib/lac1/resolver.js
index 461d924..dc7dc6a 100644
--- a/lib/lac1/resolver.js
+++ b/lib/lac1/resolver.js
@@ -1,7 +1,7 @@
 import * as ethers from "ethers";
-import DIDRegistryContractGM from "./DIDRegistryGM.json";
+import DIDRegistryContractGM from "./DIDRegistryRecoverableGM-270-RC1-1f3dc10f.json";
 import lacchain from "@lacchain/gas-model-provider";
-import { wrapDidDocument } from "../resolver.js";
+import { wrapDidDocument } from "./lac1resolverUtils.js";
 import DIDLac1 from "./lac1Did.js";
 import { LAC1_DID_TYPE_CODE } from "./constants.js";
 
@@ -43,8 +43,9 @@ export function getResolver(config = {}) {
     } catch (e) {
       throw new Error("Invalid DID");
     }
+    const intDecodedChainId = parseInt(decodedDid.chainId.substring(2), 16);
     const network = config.networks.find(
-      (net) => net.chainId === parseInt(decodedDid.chainId.substring(2), 16)
+      (net) => net.chainId === intDecodedChainId
     );
     if (!network) throw new Error(`No available network for the passed did`);
     let provider = new ethers.providers.JsonRpcProvider(network.rpcUrl);
@@ -67,9 +68,10 @@ export function getResolver(config = {}) {
       decodedDid.didRegistryAddress,
       decodedDid.version // TODO: check side effects of assuming same version for both the main identity and controller did
     );
+    const caip10ControllerFormat = `eip155:${intDecodedChainId}:${controller}`;
     return wrapDidDocument(
       did,
-      decodedDid.address,
+      caip10ControllerFormat,
       `did:lac1:${encodedController}`,
       history,
       config.mode
diff --git a/lib/registryrecoverable.js b/lib/registryrecoverable.js
index cce5daf..943fc89 100644
--- a/lib/registryrecoverable.js
+++ b/lib/registryrecoverable.js
@@ -1,20 +1,29 @@
-import DIDRegistry from './registry.js';
+import DIDRegistry from "./registry.js";
 import * as ethers from "ethers";
 import DIDRegistryRecoverableContract from "./DIDRegistryRecoverable.json";
 
 export default class DIDRegistryRecoverable extends DIDRegistry {
+  constructor(conf = {}) {
+    super(conf);
+    const provider = this.configureProvider(conf);
+    this.registry = new ethers.Contract(
+      conf.registry,
+      DIDRegistryRecoverableContract.abi,
+      provider
+    );
+  }
 
-	constructor( conf = {} ) {
-		super( conf );
-		const provider = this.configureProvider( conf );
-		this.registry = new ethers.Contract( conf.registry, DIDRegistryRecoverableContract.abi, provider );
-	}
-
-	recover( address, signature, controller ) {
-		return this.registry.recover( address, signature.v, signature.r, signature.s, controller, {
-			gasLimit: 10000000,
-			gasPrice: 0
-		} )
-	}
-
+  recover(address, signature, controller) {
+    return this.registry.recover(
+      address,
+      signature.v,
+      signature.r,
+      signature.s,
+      controller,
+      {
+        gasLimit: 10000000,
+        gasPrice: 0,
+      }
+    );
+  }
 }
diff --git a/lib/resolver.js b/lib/resolver.js
index 7124f5e..e122b42 100644
--- a/lib/resolver.js
+++ b/lib/resolver.js
@@ -1,187 +1,246 @@
 import bs58 from "bs58";
 import * as ethers from "ethers";
-import DIDRegistryContract from './DIDRegistry.json'
+import DIDRegistryContract from "./DIDRegistry.json";
 import DIDDocument from "./document.js";
 import { bytes32toString, keyAlgorithms, parseDID } from "./utils.js";
 import lacchain from "@lacchain/gas-model-provider";
 
 const { BigNumber } = ethers;
 
-export function getVerificationMethod( did, index, algo, encoding, value, controller ) {
-	const verificationMethod = {
-		id: `${did}#vm-${index}`,
-		type: `${keyAlgorithms[algo]}`,
-		controller
-	}
-	switch( encoding ) {
-		case null:
-		case undefined:
-		case 'hex':
-			verificationMethod.publicKeyHex = value.slice( 2 )
-			break
-		case 'blockchain':
-			verificationMethod.blockchainAccountId = value;
-			break
-		case 'base64':
-			verificationMethod.publicKeyBase64 = Buffer.from(
-				value.slice( 2 ),
-				'hex'
-			).toString( 'base64' )
-			break
-		case 'base58':
-			verificationMethod.publicKeyBase58 = bs58.encode( Buffer.from(
-				value.slice( 2 ),
-				'hex'
-			) )
-			break
-		case 'pem':
-			verificationMethod.publicKeyPem = Buffer.from(
-				value.slice( 2 ),
-				'hex'
-			).toString()
-			break
-		case 'json':
-			verificationMethod.publicKeyJwk = JSON.parse((Buffer.from( value.slice(2), 'hex' )).toString());
-			break;
-	}
-	return verificationMethod;
+export function getVerificationMethod(
+  did,
+  index,
+  algo,
+  encoding,
+  value,
+  controller
+) {
+  const verificationMethod = {
+    id: `${did}#vm-${index}`,
+    type: `${keyAlgorithms[algo]}`,
+    controller,
+  };
+  switch (encoding) {
+    case null:
+    case undefined:
+    case "hex":
+      verificationMethod.publicKeyHex = value.slice(2);
+      break;
+    case "blockchain":
+      verificationMethod.blockchainAccountId = value;
+      break;
+    case "base64":
+      verificationMethod.publicKeyBase64 = Buffer.from(
+        value.slice(2),
+        "hex"
+      ).toString("base64");
+      break;
+    case "base58":
+      verificationMethod.publicKeyBase58 = bs58.encode(
+        Buffer.from(value.slice(2), "hex")
+      );
+      break;
+    case "pem":
+      verificationMethod.publicKeyPem = Buffer.from(
+        value.slice(2),
+        "hex"
+      ).toString();
+      break;
+    case "json":
+      verificationMethod.publicKeyJwk = JSON.parse(
+        Buffer.from(value.slice(2), "hex").toString()
+      );
+      break;
+  }
+  return verificationMethod;
 }
 
-export function wrapDidDocument( did, id, controller, history, mode ) {
-	const now = BigNumber.from( Math.floor( new Date().getTime() / 1000 ) );
-	const defaultVerificationMethod = []
-
-	const authentication = []
-
-	let index = -1
-	const relationships = {
-		auth: {},
-		asse: {},
-		keya: {},
-		dele: {},
-		invo: {}
-	}
-	const verificationMethods = {}
-	const services = {}
-	for( const event of history ) {
-		const validTo = event.args.validTo;
-		const key = `${event.name}-${event.args.name}-${event.args.value}`
-		const value = event.args.value;
-		if( validTo && validTo.gte( now ) ) {
-			if( event.name !== 'DIDAttributeChanged' ) continue;
-			const name = bytes32toString( event.args.name )
-			const match = name.match( /(vm|auth|asse|keya|dele|invo|svc)\/(.+)?\/(\w+)?\/(\w+)?$/ )
-			if( !match ) continue;
-			const type = match[1]
-			const controller = match[2]
-			const algo = match[3]
-			const encoding = match[4]
-			switch( type ) {
-				case 'vm':
-					index++
-					verificationMethods[key] = getVerificationMethod( did, index, algo, encoding, value, controller );
-					break
-				case 'auth':
-				case 'asse':
-				case 'keya':
-				case 'dele':
-				case 'invo':
-					if( !algo && !encoding ) {
-						relationships[type][key] = Buffer.from( value.slice( 2 ), 'hex' ).toString();
-						continue;
-					}
-					index++
-					verificationMethods[key] = getVerificationMethod( did, index, algo, encoding, value, controller );
-					relationships[type][key] = verificationMethods[key].id;
-					break
-				case 'svc':
-					services[key] = {
-						type: algo,
-						serviceEndpoint: Buffer.from( event.args.value.slice( 2 ), 'hex' ).toString()
-					}
-					break
-			}
-		} else {
-			const name = event.args.name ? bytes32toString( event.args.name ) : event.args.name;
-			if( index > 0 &&
-				( event.name === 'DIDAttributeChanged' &&
-					name.match( /(vm|auth|asse|keya|dele|invo|svc)\/(\w+)?\/(\w+)?\/(\w+)?$/ ) ) &&
-				validTo.lt( now ) ) {
-				index--
-			}
-			delete relationships.auth[key];
-			delete relationships.asse[key];
-			delete relationships.keya[key];
-			delete relationships.dele[key];
-			delete relationships.invo[key];
-			delete verificationMethods[key]
-			delete services[key]
-		}
-	}
-
-	const doc = {
-		'@context': ['https://w3id.org/did/v1', 'https://w3id.org/security/suites/jws-2020/v1'],
-		id: did,
-		controller,
-		verificationMethod: defaultVerificationMethod.concat( Object.values( verificationMethods ) ),
-		authentication: authentication.concat( Object.values( relationships.auth ) ),
-		assertionMethod: authentication.concat( Object.values( relationships.asse ) ),
-		keyAgreement: authentication.concat( Object.values( relationships.keya ) ),
-		capabilityInvocation: authentication.concat( Object.values( relationships.invo ) ),
-		capabilityDelegation: authentication.concat( Object.values( relationships.dele ) )
-	}
-	if( Object.values( services ).length > 0 ) {
-		doc.service = Object.values( services )
-	}
-
-	return new DIDDocument( doc, mode );
+export function wrapDidDocument(did, controller, history, mode) {
+  const now = BigNumber.from(Math.floor(new Date().getTime() / 1000));
+  const defaultVerificationMethod = [];
+
+  const authentication = [];
+
+  let index = -1;
+  const relationships = {
+    auth: {},
+    asse: {},
+    keya: {},
+    dele: {},
+    invo: {},
+  };
+  const verificationMethods = {};
+  const services = {};
+
+  for (const event of history) {
+    const validTo = event.args.validTo;
+    const key = `${event.name}-${event.args.name}-${event.args.value}`;
+    const value = event.args.value;
+    if (validTo && validTo.gte(now)) {
+      if (event.name !== "DIDAttributeChanged") continue;
+      const name = bytes32toString(event.args.name);
+      const match = name.match(
+        /(vm|auth|asse|keya|dele|invo|svc)\/(.+)?\/(\w+)?\/(\w+)?$/
+      );
+      if (!match) continue;
+      const type = match[1];
+      const controller = match[2];
+      const algo = match[3];
+      const encoding = match[4];
+      switch (type) {
+        case "vm":
+          index++;
+          verificationMethods[key] = getVerificationMethod(
+            did,
+            index,
+            algo,
+            encoding,
+            value,
+            controller
+          );
+          break;
+        case "auth":
+        case "asse":
+        case "keya":
+        case "dele":
+        case "invo":
+          if (!algo && !encoding) {
+            relationships[type][key] = Buffer.from(
+              value.slice(2),
+              "hex"
+            ).toString();
+            continue;
+          }
+          index++;
+          verificationMethods[key] = getVerificationMethod(
+            did,
+            index,
+            algo,
+            encoding,
+            value,
+            controller
+          );
+          relationships[type][key] = verificationMethods[key].id;
+          break;
+        case "svc":
+          services[key] = {
+            type: algo,
+            serviceEndpoint: Buffer.from(
+              event.args.value.slice(2),
+              "hex"
+            ).toString(),
+          };
+          break;
+      }
+    } else {
+      const name = event.args.name
+        ? bytes32toString(event.args.name)
+        : event.args.name;
+      if (
+        index > 0 &&
+        event.name === "DIDAttributeChanged" &&
+        name.match(
+          /(vm|auth|asse|keya|dele|invo|svc)\/(\w+)?\/(\w+)?\/(\w+)?$/
+        ) &&
+        validTo.lt(now)
+      ) {
+        index--;
+      }
+      delete relationships.auth[key];
+      delete relationships.asse[key];
+      delete relationships.keya[key];
+      delete relationships.dele[key];
+      delete relationships.invo[key];
+      delete verificationMethods[key];
+      delete services[key];
+    }
+  }
+
+  const doc = {
+    "@context": [
+      "https://w3id.org/did/v1",
+      "https://w3id.org/security/suites/jws-2020/v1",
+    ],
+    id: did,
+    controller,
+    verificationMethod: defaultVerificationMethod.concat(
+      Object.values(verificationMethods)
+    ),
+    authentication: authentication.concat(Object.values(relationships.auth)),
+    assertionMethod: authentication.concat(Object.values(relationships.asse)),
+    keyAgreement: authentication.concat(Object.values(relationships.keya)),
+    capabilityInvocation: authentication.concat(
+      Object.values(relationships.invo)
+    ),
+    capabilityDelegation: authentication.concat(
+      Object.values(relationships.dele)
+    ),
+  };
+  if (Object.values(services).length > 0) {
+    doc.service = Object.values(services);
+  }
+
+  return new DIDDocument(doc, mode);
 }
 
+export function getResolver(config = {}) {
+  const iface = new ethers.utils.Interface(DIDRegistryContract.abi);
+
+  async function changeLog(identity, registry) {
+    const history = [];
+    let previousChange = await registry.changed(identity);
+    const controller = previousChange
+      ? await registry.identityController(identity)
+      : identity;
+    while (previousChange) {
+      const blockNumber = previousChange;
+      const logs = await registry.queryFilter(
+        {
+          address: config.registry,
+          topics: [null, `0x000000000000000000000000${identity.slice(2)}`],
+        },
+        previousChange.toNumber(),
+        previousChange.toNumber()
+      );
+      previousChange = undefined;
+      for (const log of logs) {
+        const event = iface.parseLog(log);
+        history.unshift({ ...event, hash: log.transactionHash });
+        if (event.args.previousChange.lt(blockNumber)) {
+          previousChange = event.args.previousChange;
+        }
+      }
+    }
 
-export function getResolver( config = {} ) {
-	const iface = new ethers.utils.Interface( DIDRegistryContract.abi );
-
-	async function changeLog( identity, registry ) {
-		const history = []
-		let previousChange = await registry.changed( identity )
-		const controller = previousChange ? await registry.identityController( identity ) : identity;
-		while( previousChange ) {
-			const blockNumber = previousChange
-			const logs = await registry.queryFilter( {
-				address: config.registry,
-				topics: [null, `0x000000000000000000000000${identity.slice( 2 )}`],
-			}, previousChange.toNumber(), previousChange.toNumber() )
-			previousChange = undefined
-			for( const log of logs ) {
-				const event = iface.parseLog( log );
-				history.unshift( { ...event, hash: log.transactionHash } )
-				if( event.args.previousChange.lt( blockNumber ) ) {
-					previousChange = event.args.previousChange;
-				}
-			}
-		}
-		return { controller, history }
-	}
-
-	async function resolve( did ) {
-		const parsed = parseDID( did );
-		const fullId = parsed.id.match( /^(.*)?(0x[0-9a-fA-F]{40})$/ )
-		if( !fullId ) throw new Error( `Not a valid ethr DID: ${did}` )
-		const id = fullId[2]
-
-		const network = config.networks.find( net => net.name === parsed.network );
-		if( !network ) throw new Error( `No config for networkId: ${parsed.network}` )
-
-		let provider = new ethers.providers.JsonRpcProvider( network.rpcUrl );
-		if( network.nodeAddress )
-			provider = new lacchain.GasModelProvider( network.rpcUrl );
-		const registry = new ethers.Contract( network.registry, DIDRegistryContract.abi, provider )
-
-		const { controller, history } = await changeLog( id, registry )
-		return wrapDidDocument( did, id,
-			`did:lac:${parsed.network}:${controller.toLowerCase()}`,
-			history, config.mode );
-	}
-
-	return { lac: resolve }
-}
\ No newline at end of file
+    return { controller, history };
+  }
+
+  async function resolve(did) {
+    const parsed = parseDID(did);
+    const fullId = parsed.id.match(/^(.*)?(0x[0-9a-fA-F]{40})$/);
+    if (!fullId) throw new Error(`Not a valid ethr DID: ${did}`);
+    const id = fullId[2];
+
+    const network = config.networks.find((net) => net.name === parsed.network);
+    if (!network) throw new Error(`No config for networkId: ${parsed.network}`);
+
+    let provider = new ethers.providers.JsonRpcProvider(network.rpcUrl);
+    if (network.nodeAddress)
+      provider = new lacchain.GasModelProvider(network.rpcUrl);
+    const registry = new ethers.Contract(
+      network.registry,
+      DIDRegistryContract.abi,
+      provider
+    );
+
+    const { controller, history } = await changeLog(id, registry);
+    return wrapDidDocument(
+      did,
+      `did:lac:${parsed.network}:${controller.toLowerCase()}`,
+      history,
+      config.mode
+    );
+  }
+
+  return { lac: resolve };
+}
diff --git a/package-lock.json b/package-lock.json
index ee5efcd..2305a9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "@lacchain/did",
-	"version": "1.4.8",
+	"version": "1.6.3",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@lacchain/did",
-			"version": "1.4.8",
+			"version": "1.6.3",
 			"license": "Apache-2.0",
 			"dependencies": {
 				"@lacchain/gas-model-provider": "^1.1.0",
diff --git a/package.json b/package.json
index 7491a53..d53bb80 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@lacchain/did",
-	"version": "1.6.3",
+	"version": "1.7.0",
 	"description": "The LACChain DID Method NodeJS Implementation",
 	"author": "Sergio Ceron Figueroa <sergioce@iadb.org>",
 	"keywords": [
@@ -16,7 +16,7 @@
 	"homepage": "http://dev.lacchain.net/en/did-method",
 	"type": "module",
 	"scripts": {
-		"test": "./node_modules/mocha/bin/mocha --experimental-json-modules --timeout 30000 --ui bdd ./test/**",
+		"test": "./node_modules/mocha/bin/mocha --experimental-json-modules --timeout 50000 --ui bdd ./test/**",
 		"coverage": "nyc mocha --experimental-json-modules --experimental-loader=@istanbuljs/esm-loader-hook --timeout 30000 --ui bdd ./test/**",
 		"report-coverage": "nyc report --reporter=text-lcov > coverage.lcov"
 	},
diff --git a/test/did.js b/test/lac/did.js
similarity index 97%
rename from test/did.js
rename to test/lac/did.js
index acfaaae..cbb75a7 100644
--- a/test/did.js
+++ b/test/lac/did.js
@@ -1,7 +1,7 @@
 import chai from "chai";
 import chaiAsPromised from "chai-as-promised";
-import DID from "../lib/did.js";
-import { createKeyPair, sleep } from "../lib/utils.js";
+import DID from "../../lib/did.js";
+import { createKeyPair, sleep } from "../../lib/utils.js";
 import {
   failToCreateWithoutAddress,
   shouldAddAssertionMethod,
@@ -25,7 +25,7 @@ import {
   shouldGetDidDocumentReferenceMode,
   shouldRemoveLastDidController,
 } from "./lacBaseTestMethods.js";
-import { getLacDidTestParams } from "./testInitializer.js";
+import { getLacDidTestParams } from "../testInitializer.js";
 
 const expect = chai.expect;
 chai.use(chaiAsPromised);
@@ -34,7 +34,7 @@ chai.should();
 const { registry, nodeAddress, rpcUrl, network, expiration } =
   await getLacDidTestParams();
 
-describe("DID", () => {
+describe("LAC DID", () => {
   const newDid = async () => {
     return new DID({
       registry,
diff --git a/test/lacBaseTestMethods.js b/test/lac/lacBaseTestMethods.js
similarity index 97%
rename from test/lacBaseTestMethods.js
rename to test/lac/lacBaseTestMethods.js
index 0262d19..ad77bdc 100644
--- a/test/lacBaseTestMethods.js
+++ b/test/lac/lacBaseTestMethods.js
@@ -1,14 +1,14 @@
 import chai from "chai";
 import bs58 from "bs58";
 import chaiAsPromised from "chai-as-promised";
-import { createKeyPair, sleep } from "../lib/utils.js";
-import DIDLac1 from "../lib/lac1/lac1Did.js";
+import { createKeyPair, sleep } from "../../lib/utils.js";
+import DIDLac1 from "../../lib/lac1/lac1Did.js";
 
 const expect = chai.expect;
 chai.use(chaiAsPromised);
 chai.should();
 
-const registry = "0xb4FB2e9BB0001cc8eAAE528571915F35Cb74C864"; // "0x6711Ed022C51fB5082cf8Ac6D51c45A03796b8d1";
+const registry = "0xb4FB2e9BB0001cc8eAAE528571915F35Cb74C864";
 const nodeAddress = "0xad730de8c4bfc3d845f7ce851bcf2ea17c049585";
 const rpcUrl = "http://35.185.112.219";
 const network = "openprotest";
@@ -99,7 +99,6 @@ const shouldAddVerificationMethod = async (did) => {
   const document = await did.getDocument();
 
   expect(document.verificationMethod).to.not.be.null;
-  // expect(document.verificationMethod).to.have.lengthOf(2); // TODO: Verify why this is not accomplished
   expect(document.verificationMethod[0].publicKeyHex).to.equal(
     veryKey.publicKey
   );
diff --git a/test/lac/recover.js b/test/lac/recover.js
new file mode 100644
index 0000000..11a8f9d
--- /dev/null
+++ b/test/lac/recover.js
@@ -0,0 +1,74 @@
+import chai from "chai";
+import chaiAsPromised from "chai-as-promised";
+import DIDRecoverable from "../../lib/didrecoverable.js";
+import { createKeyPair, sleep } from "../../lib/utils.js";
+
+const expect = chai.expect;
+chai.use(chaiAsPromised);
+chai.should();
+
+// TODO: Add similar tests for lac1 DID method
+describe("LAC DIDRecoverable", () => {
+  const did = new DIDRecoverable({
+    registry: "0x21D8dB083E0515EB2c8918CD49ea56C5B900ecef",
+    rpcUrl: "https://writer.lacchain.net",
+    network: "main",
+  });
+
+  const controller1 = createKeyPair();
+  const controller2 = createKeyPair();
+  const controller3 = createKeyPair();
+  const controller4 = createKeyPair();
+
+  before(async () => {
+    await did.addController(controller1.address);
+    await did.addController(controller2.address);
+    await did.addController(controller3.address);
+  });
+
+  it("should not have the minimum keys", async () => {
+    try {
+      await did.recover(controller1.address, controller1.privateKey);
+    } catch (e) {
+      expect(e.reason).to.equal("transaction failed");
+    }
+  });
+
+  it("should fail the recover signature", async () => {
+    await did.addController(controller4.address);
+    try {
+      await did.recover(controller1.address, controller2.privateKey);
+    } catch (e) {
+      expect(e.reason).to.equal("transaction failed");
+    }
+  });
+
+  it("should exceed failed attempts", async () => {
+    try {
+      for (const _ of [0, 1, 2, 3, 4]) {
+        await did.recover(controller1.address, controller1.privateKey);
+      }
+    } catch (e) {
+      expect(e.reason).to.equal("transaction failed");
+    }
+  });
+
+  it("should pass max attempts by waiting reset time", async () => {
+    await sleep(10);
+    await did.recover(controller1.address, controller1.privateKey);
+  });
+
+  it("should recover key successfully", async () => {
+    await sleep(10);
+    const controller = await did.getController();
+    await did.recover(controller2.address, controller2.privateKey);
+    await did.recover(controller3.address, controller3.privateKey);
+    await did.recover(controller4.address, controller4.privateKey);
+    const recoveredController = await did.getController();
+
+    expect(controller).to.not.be.equal(recoveredController);
+    expect(recoveredController.toLowerCase()).to.equal(
+      controller4.address.toLowerCase()
+    );
+  });
+});
diff --git a/test/lac1Resolver.js b/test/lac/resolver.js
similarity index 55%
rename from test/lac1Resolver.js
rename to test/lac/resolver.js
index fa4c57b..06cde9f 100644
--- a/test/lac1Resolver.js
+++ b/test/lac/resolver.js
@@ -1,41 +1,36 @@
 import chai from "chai";
 
 import chaiAsPromised from "chai-as-promised";
-import { getResolver } from "../lib/lac1/resolver.js";
-import {
-  getLac1didTestParams,
-  newLac1Did as newDid,
-} from "./testInitializer.js";
+import { getResolver } from "../../lib/resolver.js";
 
 const expect = chai.expect;
 chai.use(chaiAsPromised);
 chai.should();
 
-describe("Lac1DIDResolver", async () => {
-  const { registry, nodeAddress, rpcUrl, chainId } =
-    await getLac1didTestParams();
+describe("LAC DIDResolver", () => {
+  const did = "did:lac:omega:0xcd7ebd413d512b47d1d48e5ed27fe01c8c29fd98";
   const invalid = "dsid:lac:axcd7ebd413d512b47d1d48e5ed27fe01c8c29fd98";
   const resolver = getResolver({
     networks: [
       {
-        registry,
-        rpcUrl,
-        nodeAddress,
-        chainId,
+        name: "omega",
+        registry: "0xde82d4Cea1242C04B6baF6f98095F6050c88f50b",
+        rpcUrl: "http://34.73.228.200",
+        nodeAddress: "0x971bb94d235a4ba42d53ab6fb0a86b12c73ba460",
+        expiration: "1736394529",
       },
     ],
     // mode: 'explicit'
   });
 
   it("should resolve the DID Document", async () => {
-    const did = await newDid();
-    const document = await resolver.lac1(did.id);
+    const document = await resolver.lac(did);
     expect(document).to.be.not.null;
   });
 
   it("should fail to resolve the Document of an invalid DID", async () => {
     try {
-      await resolver.lac1(invalid);
+      await resolver.lac(invalid);
     } catch (e) {
       expect(e.message).to.equals("Invalid DID");
     }
diff --git a/test/lac1/lac1BaseTestMethods.js b/test/lac1/lac1BaseTestMethods.js
new file mode 100644
index 0000000..974dfd6
--- /dev/null
+++ b/test/lac1/lac1BaseTestMethods.js
@@ -0,0 +1,345 @@
+import chai from "chai";
+import bs58 from "bs58";
+import chaiAsPromised from "chai-as-promised";
+import { createKeyPair, sleep } from "../../lib/utils.js";
+import { processVerificationMethodIdForAttribute } from "../../lib/lac1/lac1resolverUtils.js";
+
+const expect = chai.expect;
+chai.use(chaiAsPromised);
+chai.should();
+
+const shouldAddVerificationMethod = async (did) => {
+  const veryKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.address,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.not.be.null;
+  expect(document.verificationMethod).to.have.lengthOf(2); // TODO: Verify why this is not accomplished
+  expect(document.verificationMethod[1].publicKeyHex).to.equal(
+    veryKey.publicKey
+  );
+};
+
+const shouldAddAuthenticationMethod = async (did) => {
+  const authKey = createKeyPair();
+  await did.addAuthenticationMethod({
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${authKey.publicKey}`,
+    controller: did.address,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(2);
+  expect(document.verificationMethod[1].publicKeyHex).to.equal(
+    authKey.publicKey
+  );
+  expect(document.authentication).to.not.be.null;
+  expect(document.authentication).to.have.lengthOf(2);
+  expect(document.authentication[1].publicKeyHex).to.equal(authKey.publicKey);
+};
+
+const shouldBindAuthenticationMethod = async (did) => {
+  const veryKey = createKeyPair();
+  const authKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+  await did.addAuthenticationMethod({
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${authKey.publicKey}`,
+    controller: did.id,
+  });
+  let document = await did.getDocument();
+
+  const vmId = processVerificationMethodIdForAttribute(
+    did.id,
+    veryKey.publicKey
+  );
+  await did.bindAuthenticationMethod(`${did.id}#${vmId}`);
+  document = await did.getDocument();
+  expect(document.verificationMethod).to.have.lengthOf(3);
+
+  expect(document.authentication).to.not.be.null;
+  expect(document.authentication).to.have.lengthOf(3);
+
+  expect(document.authentication[2].publicKeyHex).to.equal(veryKey.publicKey); // last added -> last listed in array
+};
+
+const shouldAddAssertionMethod = async (did) => {
+  const asseKey = createKeyPair();
+  const publicKeyBase64 = Buffer.from(asseKey.publicKey, "hex").toString(
+    "base64"
+  );
+  await did.addAssertionMethod({
+    algorithm: "esecp256k1vk",
+    encoding: "base64",
+    publicKey: publicKeyBase64,
+    controller: did.address,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(2);
+  expect(document.verificationMethod[1].publicKeyBase64).to.equal(
+    publicKeyBase64
+  );
+
+  expect(document.assertionMethod).to.not.be.null;
+  expect(document.assertionMethod).to.have.lengthOf(2);
+  expect(document.assertionMethod[1].publicKeyBase64).to.equal(publicKeyBase64);
+};
+
+const shouldBindAssertionMethod = async (did) => {
+  const veryKey = createKeyPair();
+  const asseKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+
+  const publicKeyBase64 = Buffer.from(asseKey.publicKey, "hex").toString(
+    "base64"
+  );
+
+  await did.addAssertionMethod({
+    algorithm: "esecp256k1vk",
+    encoding: "base64",
+    publicKey: publicKeyBase64,
+    controller: did.id,
+  });
+
+  const vmId = processVerificationMethodIdForAttribute(
+    did.id,
+    veryKey.publicKey
+  );
+
+  await did.bindAssertionMethod(`${did.id}#${vmId}`);
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(3);
+
+  expect(document.assertionMethod).to.not.be.null;
+  expect(document.assertionMethod).to.have.lengthOf(3);
+  expect(document.assertionMethod[2].publicKeyHex).to.equal(veryKey.publicKey);
+};
+
+const shouldAddKeyAgreement = async (did) => {
+  const keyaKey = createKeyPair();
+  const publicKeyBase58 = bs58.encode(Buffer.from(keyaKey.publicKey, "hex"));
+  await did.addKeyAgreement({
+    algorithm: "esecp256k1vk",
+    encoding: "base58",
+    publicKey: publicKeyBase58,
+    controller: did.address,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(2);
+  expect(document.verificationMethod[1].publicKeyBase58).to.equal(
+    publicKeyBase58
+  );
+
+  expect(document.keyAgreement).to.not.be.null;
+  expect(document.keyAgreement).to.have.lengthOf(1);
+  expect(document.keyAgreement[0].publicKeyBase58).to.equal(publicKeyBase58);
+};
+
+const shouldBindKeyAgreement = async (did) => {
+  const veryKey = createKeyPair();
+  const keyaKey = createKeyPair();
+
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+
+  const publicKeyBase58 = bs58.encode(Buffer.from(keyaKey.publicKey, "hex"));
+  await did.addKeyAgreement({
+    algorithm: "esecp256k1vk",
+    encoding: "base58",
+    publicKey: publicKeyBase58,
+    controller: did.id,
+  });
+
+  const vmId = processVerificationMethodIdForAttribute(
+    did.id,
+    veryKey.publicKey
+  );
+
+  await did.bindKeyAgreement(`${did.id}#${vmId}`);
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(3);
+
+  expect(document.keyAgreement).to.not.be.null;
+  expect(document.keyAgreement).to.have.lengthOf(2);
+  expect(document.keyAgreement[1].publicKeyHex).to.equal(veryKey.publicKey);
+};
+
+const shouldAddCapabilityInvocation = async (did) => {
+  const veryKey = createKeyPair();
+  const invoKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+
+  await did.addCapabilityInvocation({
+    algorithm: "esecp256k1vk",
+    encoding: "hex",
+    publicKey: `0x${invoKey.publicKey}`,
+    controller: did.id,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(3);
+  expect(document.verificationMethod[2].publicKeyHex).to.equal(
+    invoKey.publicKey
+  );
+
+  expect(document.capabilityInvocation).to.not.be.null;
+  expect(document.capabilityInvocation).to.have.lengthOf(1);
+  expect(document.capabilityInvocation[0].publicKeyHex).to.equal(
+    invoKey.publicKey
+  );
+};
+
+const shouldBindCapabilityInvocation = async (did) => {
+  const veryKey = createKeyPair();
+  const invoKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+
+  await did.addCapabilityInvocation({
+    algorithm: "esecp256k1vk",
+    encoding: "hex",
+    publicKey: `0x${invoKey.publicKey}`,
+    controller: did.id,
+  });
+
+  const vmId = processVerificationMethodIdForAttribute(
+    did.id,
+    veryKey.publicKey
+  );
+
+  await did.bindCapabilityInvocation(`${did.id}#${vmId}`);
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(3);
+
+  expect(document.capabilityInvocation).to.not.be.null;
+  expect(document.capabilityInvocation).to.have.lengthOf(2);
+  expect(document.capabilityInvocation[1].publicKeyHex).to.equal(
+    veryKey.publicKey
+  );
+};
+
+const shouldAddCapabilityDelegation = async (did) => {
+  const deleKey = createKeyPair();
+  await did.addCapabilityDelegation({
+    algorithm: "esecp256k1vk",
+    encoding: "pem",
+    publicKey: deleKey.publicKey,
+    controller: did.id,
+  });
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(2);
+  expect(document.verificationMethod[1].publicKeyPem).to.equal(
+    deleKey.publicKey
+  );
+
+  expect(document.capabilityDelegation).to.not.be.null;
+  expect(document.capabilityDelegation).to.have.lengthOf(1);
+  expect(document.capabilityDelegation[0].publicKeyPem).to.equal(
+    deleKey.publicKey
+  );
+};
+
+const shouldBindCapabilityDelegation = async (did) => {
+  const veryKey = createKeyPair();
+  const deleKey = createKeyPair();
+  await did.addVerificationMethod({
+    type: "vm",
+    algorithm: "esecp256k1rm",
+    encoding: "hex",
+    publicKey: `0x${veryKey.publicKey}`,
+    controller: did.id,
+  });
+
+  const deleId = processVerificationMethodIdForAttribute(
+    did.id,
+    veryKey.publicKey
+  );
+
+  await did.addCapabilityDelegation({
+    algorithm: "esecp256k1vk",
+    encoding: "pem",
+    publicKey: deleKey.publicKey,
+    controller: did.id,
+  });
+
+  await did.bindCapabilityDelegation(`${did.id}#${deleId}`);
+  const document = await did.getDocument();
+
+  expect(document.verificationMethod).to.have.lengthOf(3);
+
+  expect(document.capabilityDelegation).to.not.be.null;
+  expect(document.capabilityDelegation).to.have.lengthOf(2);
+  expect(document.capabilityDelegation[1].publicKeyHex).to.equal(
+    veryKey.publicKey
+  );
+};
+
+const shouldAddAKAId = async (did, id, validity) => {
+  await did.addAKAId(id, validity);
+  const document = await did.getDocument();
+  expect(document.toJSON().alsoKnownAs).to.not.be.undefined;
+};
+
+const shouldRemoveAKAId = async (did, id) => {
+  await did.removeAKAId(id);
+  const document = await did.getDocument();
+  expect(document.toJSON().alsoKnownAs).to.be.undefined;
+};
+
+export {
+  shouldAddVerificationMethod,
+  shouldAddAuthenticationMethod,
+  shouldBindAuthenticationMethod,
+  shouldAddAssertionMethod,
+  shouldBindAssertionMethod,
+  shouldAddKeyAgreement,
+  shouldBindKeyAgreement,
+  shouldAddCapabilityInvocation,
+  shouldBindCapabilityInvocation,
+  shouldAddCapabilityDelegation,
+  shouldBindCapabilityDelegation,
+  shouldAddAKAId,
+  shouldRemoveAKAId,
+};
diff --git a/test/lac1Did.js b/test/lac1/lac1Did.js
similarity index 83%
rename from test/lac1Did.js
rename to test/lac1/lac1Did.js
index 36a6190..a569840 100644
--- a/test/lac1Did.js
+++ b/test/lac1/lac1Did.js
@@ -1,22 +1,11 @@
 import chai from "chai";
 import chaiAsPromised from "chai-as-promised";
-import { createKeyPair, sleep } from "../lib/utils.js";
-import DIDLac1 from "../lib/lac1/lac1Did.js";
+import { createKeyPair, sleep } from "../../lib/utils.js";
+import DIDLac1 from "../../lib/lac1/lac1Did.js";
 import {
   failToCreateWithoutAddress,
-  shouldAddAssertionMethod,
-  shouldAddAuthenticationMethod,
-  shouldAddCapabilityDelegation,
-  shouldAddCapabilityInvocation,
   shouldAddDidController,
-  shouldAddKeyAgreement,
   shouldAddService,
-  shouldAddVerificationMethod,
-  shouldBindAssertionMethod,
-  shouldBindAuthenticationMethod,
-  shouldBindCapabilityDelegation,
-  shouldBindCapabilityInvocation,
-  shouldBindKeyAgreement,
   shouldChangeDidController,
   shouldChangeDidControllerWithSignedTx,
   shouldFailToChangeDidController,
@@ -24,20 +13,36 @@ import {
   shouldGetDidDocumentExplicitMode,
   shouldGetDidDocumentReferenceMode,
   shouldRemoveLastDidController,
-} from "./lacBaseTestMethods.js";
+} from "../lac/lacBaseTestMethods.js";
+
+import {
+  shouldAddVerificationMethod,
+  shouldAddAuthenticationMethod,
+  shouldBindAuthenticationMethod,
+  shouldAddAssertionMethod,
+  shouldBindAssertionMethod,
+  shouldAddKeyAgreement,
+  shouldBindKeyAgreement,
+  shouldAddCapabilityInvocation,
+  shouldBindCapabilityInvocation,
+  shouldAddCapabilityDelegation,
+  shouldBindCapabilityDelegation,
+  shouldAddAKAId,
+  shouldRemoveAKAId,
+} from "./lac1BaseTestMethods.js";
 import {
   getLac1didTestParams,
   newLac1Did as newDid,
-} from "./testInitializer.js";
+} from "../testInitializer.js";
 
 const expect = chai.expect;
 chai.use(chaiAsPromised);
 chai.should();
 
-const { registry, nodeAddress, rpcUrl, network, expiration } =
+const { registry, nodeAddress, rpcUrl, network, expiration, chainId } =
   await getLac1didTestParams();
 
-describe("DIDLac1", async () => {
+describe("LAC1 DID", async () => {
   const veryKey = createKeyPair();
 
   it("should fail to create a DID without address", async () => {
@@ -145,7 +150,7 @@ describe("DIDLac1", async () => {
       algorithm: "esecp256k1rm",
       encoding: "hex",
       publicKey: `0x${veryKey.publicKey}`,
-      controller: did.address,
+      controller: did.id,
     });
 
     await did.revokeVerificationMethod({
@@ -153,13 +158,13 @@ describe("DIDLac1", async () => {
       algorithm: "esecp256k1rm",
       encoding: "hex",
       publicKey: `0x${veryKey.publicKey}`,
-      controller: did.address,
+      controller: did.id,
       revokeDeltaTimeSeconds: 86400, // e.g. 86400: 1 day before
       compromised: false, // the key is being rotated (not compomised)
     });
 
     const document = await did.getDocument();
-    expect(document.verificationMethod).to.have.lengthOf(0);
+    expect(document.verificationMethod).to.have.lengthOf(1);
   });
 
   it("should add a Service", async () => {
@@ -176,4 +181,19 @@ describe("DIDLac1", async () => {
     const did = await newDid();
     await shouldGetDidDocumentReferenceMode(did);
   });
+
+  it("Should add an AKA Identifier to a DID", async () => {
+    const did = await newDid();
+    const someId = "id:123";
+    const validity = 86400 * 365;
+    await shouldAddAKAId(did, someId, validity);
+  });
+
+  it("Should remove an AKA Identifier to a DID", async () => {
+    const did = await newDid();
+    const someId = "id:123";
+    const validity = 86400 * 365;
+    await shouldAddAKAId(did, someId, validity);
+    await shouldRemoveAKAId(did, someId);
+  });
 });
diff --git a/test/lac1/lac1Resolver.js b/test/lac1/lac1Resolver.js
new file mode 100644
index 0000000..d2cdcf2
--- /dev/null
+++ b/test/lac1/lac1Resolver.js
@@ -0,0 +1,62 @@
+import chai from "chai";
+
+import chaiAsPromised from "chai-as-promised";
+import { getResolver } from "../../lib/lac1/resolver.js";
+import {
+  getLac1didTestParams,
+  newLac1Did as newDid,
+} from "../testInitializer.js";
+import { processVerificationMethodIdForAttribute } from "../../lib/lac1/lac1resolverUtils.js";
+
+const expect = chai.expect;
+chai.use(chaiAsPromised);
+chai.should();
+
+describe("Lac1 DIDResolver", async () => {
+  const { registry, nodeAddress, rpcUrl, chainId } =
+    await getLac1didTestParams();
+  const invalid = "dsid:lac:axcd7ebd413d512b47d1d48e5ed27fe01c8c29fd98";
+  const resolver = getResolver({
+    networks: [
+      {
+        registry,
+        rpcUrl,
+        nodeAddress,
+        chainId,
+      },
+    ],
+    // mode: 'explicit'
+  });
+
+  it("should resolve the DID Document", async () => {
+    const did = await newDid();
+    const document = await resolver.lac1(did.id);
+    expect(document).to.be.not.null;
+  });
+
+  it("should fail to resolve the Document of an invalid DID", async () => {
+    try {
+      await resolver.lac1(invalid);
+    } catch (e) {
+      expect(e.message).to.equals("Invalid DID");
+    }
+  });
+  it("Should set current DID Controller as the default verification method with authentication relationship", async () => {
+    const did = await newDid();
+    const document = await resolver.lac1(did.id);
+    const d = document.verificationMethod[0];
+    expect(d["controller"]).to.eq(did.id);
+    const currentController = await did.getController();
+    const defaultIdVerificationMethod = processVerificationMethodIdForAttribute(
+      did.id,
+      currentController
+    );
+    expect(d["id"]).to.eq(`${did.id}#${defaultIdVerificationMethod}`);
+    expect(d["type"]).to.eq("EcdsaSecp256k1RecoveryMethod2020");
+    const retrievedHexchainId =
+      did.chainId.length % 2 == 0 ? did.chainId : "0" + did.chainId;
+    const retrievedIntchainId = parseInt(retrievedHexchainId, 16);
+    const blockchainAccountId = `eip155:${retrievedIntchainId}:${currentController}`;
+    expect(d["blockchainAccountId"]).to.eq(blockchainAccountId);
+  });
+});
diff --git a/test/recover.js b/test/recover.js
deleted file mode 100644
index b1e9149..0000000
--- a/test/recover.js
+++ /dev/null
@@ -1,71 +0,0 @@
-import chai from 'chai';
-import chaiAsPromised from "chai-as-promised";
-import DIDRecoverable from "../lib/didrecoverable.js";
-import { createKeyPair, sleep } from "../lib/utils.js";
-
-const expect = chai.expect;
-chai.use( chaiAsPromised );
-chai.should();
-
-describe( 'DIDRecoverable', () => {
-	const did = new DIDRecoverable( {
-		registry: '0x21D8dB083E0515EB2c8918CD49ea56C5B900ecef',
-		rpcUrl: 'https://writer.lacchain.net',
-		network: 'main'
-	} );
-
-	const controller1 = createKeyPair();
-	const controller2 = createKeyPair();
-	const controller3 = createKeyPair();
-	const controller4 = createKeyPair();
-
-	before( async() => {
-		await did.addController( controller1.address );
-		await did.addController( controller2.address );
-		await did.addController( controller3.address );
-	} )
-
-	it( "should not have the minimum keys", async() => {
-		try {
-			await did.recover( controller1.address, controller1.privateKey );
-		} catch( e ) {
-			expect( e.reason ).to.equal( "transaction failed" )
-		}
-	} );
-
-	it( "should fail the recover signature", async() => {
-		await did.addController( controller4.address );
-		try {
-			await did.recover( controller1.address, controller2.privateKey );
-		} catch( e ) {
-			expect( e.reason ).to.equal( "transaction failed" )
-		}
-	} );
-
-	it( "should exceed failed attempts", async() => {
-		try {
-			for( const _ of [0, 1, 2, 3, 4] ) {
-				await did.recover( controller1.address, controller1.privateKey );
-			}
-		} catch( e ) {
-			expect( e.reason ).to.equal( "transaction failed" );
-		}
-	} );
-
-	it( "should pass max attempts by waiting reset time", async() => {
-		await sleep( 10 );
-		await did.recover( controller1.address, controller1.privateKey );
-	} );
-
-	it( "should recover key successfully", async() => {
-		await sleep( 10 );
-		const controller = await did.getController();
-		await did.recover( controller2.address, controller2.privateKey );
-		await did.recover( controller3.address, controller3.privateKey );
-		await did.recover( controller4.address, controller4.privateKey );
-		const recoveredController = await did.getController();
-
-		expect( controller ).to.not.be.equal( recoveredController );
-		expect( recoveredController.toLowerCase() ).to.equal( controller4.address.toLowerCase() );
-	} );
-} );
\ No newline at end of file
diff --git a/test/resolver.js b/test/resolver.js
deleted file mode 100644
index 300db54..0000000
--- a/test/resolver.js
+++ /dev/null
@@ -1,37 +0,0 @@
-import chai from 'chai';
-
-import chaiAsPromised from "chai-as-promised";
-import { getResolver } from "../lib/resolver.js";
-
-const expect = chai.expect;
-chai.use( chaiAsPromised );
-chai.should();
-
-describe( 'DIDResolver', () => {
-	const did = 'did:lac:omega:0xcd7ebd413d512b47d1d48e5ed27fe01c8c29fd98';
-	const invalid = 'dsid:lac:axcd7ebd413d512b47d1d48e5ed27fe01c8c29fd98';
-	const resolver = getResolver( {
-		networks: [{
-			name: 'omega',
-			registry: '0xde82d4Cea1242C04B6baF6f98095F6050c88f50b',
-			rpcUrl: 'http://34.73.228.200',
-			nodeAddress: '0x971bb94d235a4ba42d53ab6fb0a86b12c73ba460',
-			expiration: '1736394529',
-		}]
-		// mode: 'explicit'
-	} );
-
-	it( 'should resolve the DID Document', async() => {
-		const document = await resolver.lac( did );
-		expect( document ).to.be.not.null;
-	} );
-
-	it( 'should fail to resolve the Document of an invalid DID', async() => {
-		try {
-			await resolver.lac( invalid );
-		} catch( e ) {
-			expect( e.message ).to.equals( 'Invalid DID' );
-		}
-	} );
-
-} );
\ No newline at end of file
diff --git a/test/testInitializer.js b/test/testInitializer.js
index 0eab953..19df341 100644
--- a/test/testInitializer.js
+++ b/test/testInitializer.js
@@ -1,6 +1,6 @@
 import DIDLac1 from "../lib/lac1/lac1Did.js";
 
-const lac1Registry = "0xb4FB2e9BB0001cc8eAAE528571915F35Cb74C864";
+const lac1Registry = "0xd2d7bF1A9a774f09cbA9541c5326B22f83f734Df";
 const nodeAddress = "0xad730de8c4bfc3d845f7ce851bcf2ea17c049585";
 const rpcUrl = "http://35.185.112.219";
 const network = "openprotest";