diff --git a/packages/app/src/utils/explorers.ts b/packages/app/src/utils/explorers.ts
index de4ce69b..d1b7b578 100644
--- a/packages/app/src/utils/explorers.ts
+++ b/packages/app/src/utils/explorers.ts
@@ -75,6 +75,27 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     explorerApiKey: REACT_APP_ETHERSCAN_KEY,
     rpcUrl: `https://goerli.infura.io/v3/${REACT_APP_INFURA_ID}`,
   },
+  [NETWORK.OPTIMISM]: {
+    networkExplorerName: "Optimistic",
+    networkExplorerUrl: "https://optimistic.etherscan.io/",
+    networkExplorerApiUrl: "https://api-optimistic.etherscan.io/api",
+    safeTransactionApi: "https://safe-transaction.optimism.gnosis.io/",
+    safeUrl: "https://gnosis-safe.io/app/oeth:",
+    verifyContractUrl: "https://optimistic.etherscan.io/verifyContract",
+    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    rpcUrl: `https://optimism-mainnet.infura.io/v3/${REACT_APP_INFURA_ID}`,
+
+  },
+  [NETWORK.ARBITRUM]: {
+    networkExplorerName: "Arbiscan",
+    networkExplorerUrl: "https://arbiscan.io/",
+    networkExplorerApiUrl: "https://api.arbiscan.io/api",
+    safeTransactionApi: "https://safe-transaction.arbitrum.gnosis.io/",
+    safeUrl: "https://gnosis-safe.io/app/arb1:",
+    verifyContractUrl: "https://arbiscan.io/verifyContract",
+    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    rpcUrl: `https://arbitrum-mainnet.infura.io/v3/${REACT_APP_INFURA_ID}`,
+  },
 }
 
 export const getNetworkExplorerInfo = (chainId: number) => {
diff --git a/packages/app/src/utils/networks.ts b/packages/app/src/utils/networks.ts
index 8b5e15b8..dbdd557d 100644
--- a/packages/app/src/utils/networks.ts
+++ b/packages/app/src/utils/networks.ts
@@ -1,9 +1,11 @@
 export enum NETWORK {
   MAINNET = 1,
   GOERLI = 5,
+  OPTIMISM = 10,
   BSC = 56,
   GNOSIS_CHAIN = 100,
   POLYGON = 137,
+  ARBITRUM = 42161,
 }
 
 export interface Coin {
@@ -38,6 +40,12 @@ export const NETWORKS: Record<NETWORK, Network> = {
     shortName: "gor",
     nativeAsset: NATIVE_ASSET.ETH,
   },
+  [NETWORK.OPTIMISM]: {
+    chainId: NETWORK.OPTIMISM,
+    name: "optimism",
+    shortName: "oeth",
+    nativeAsset: NATIVE_ASSET.ETH,
+  },
   [NETWORK.GNOSIS_CHAIN]: {
     chainId: NETWORK.GNOSIS_CHAIN,
     name: "gnosis_chain",
@@ -56,12 +64,20 @@ export const NETWORKS: Record<NETWORK, Network> = {
     shortName: "matic",
     nativeAsset: NATIVE_ASSET.MATIC,
   },
+  [NETWORK.ARBITRUM]: {
+    chainId: NETWORK.ARBITRUM,
+    name: "arbitrum",
+    shortName: "arb1",
+    nativeAsset: NATIVE_ASSET.ETH,
+  },
 }
 
 export const NETWORK_NATIVE_ASSET: Record<NETWORK, Coin> = {
   [NETWORK.MAINNET]: NATIVE_ASSET.ETH,
   [NETWORK.GOERLI]: NATIVE_ASSET.ETH,
+  [NETWORK.OPTIMISM]: NATIVE_ASSET.ETH,
   [NETWORK.GNOSIS_CHAIN]: NATIVE_ASSET.XDAI,
   [NETWORK.POLYGON]: NATIVE_ASSET.MATIC,
   [NETWORK.BSC]: NATIVE_ASSET.BNB,
+  [NETWORK.ARBITRUM]: NATIVE_ASSET.ETH,
 }