diff --git a/src/lib/assetBridger/assetBridger.ts b/src/lib/assetBridger/assetBridger.ts
index 75c296261..6ef1d549d 100644
--- a/src/lib/assetBridger/assetBridger.ts
+++ b/src/lib/assetBridger/assetBridger.ts
@@ -34,31 +34,34 @@ export abstract class AssetBridger<DepositParams, WithdrawParams> {
   /**
    * In case of a chain that uses ETH as its native/gas token, this is either `undefined` or the zero address
    *
-   * In case of a chain that uses an ERC-20 token from the parent chain as its native/gas token, this is the address of said token on the parent chain
+   * In case of a chain that uses an ERC-20 token from the parent network as its native/gas token, this is the address of said token on the parent network
    */
   public readonly nativeToken?: string
 
-  public constructor(public readonly childChain: ArbitrumNetwork) {
-    this.nativeToken = childChain.nativeToken
+  public constructor(public readonly childNetwork: ArbitrumNetwork) {
+    this.nativeToken = childNetwork.nativeToken
   }
 
   /**
-   * Check the signer/provider matches the parentChain, throws if not
+   * Check the signer/provider matches the parent network, throws if not
    * @param sop
    */
-  protected async checkParentChain(sop: SignerOrProvider): Promise<void> {
+  protected async checkParentNetwork(sop: SignerOrProvider): Promise<void> {
     await SignerProviderUtils.checkNetworkMatches(
       sop,
-      this.childChain.parentChainId
+      this.childNetwork.parentChainId
     )
   }
 
   /**
-   * Check the signer/provider matches the childChain, throws if not
+   * Check the signer/provider matches the child network, throws if not
    * @param sop
    */
-  protected async checkChildChain(sop: SignerOrProvider): Promise<void> {
-    await SignerProviderUtils.checkNetworkMatches(sop, this.childChain.chainId)
+  protected async checkChildNetwork(sop: SignerOrProvider): Promise<void> {
+    await SignerProviderUtils.checkNetworkMatches(
+      sop,
+      this.childNetwork.chainId
+    )
   }
 
   /**
diff --git a/src/lib/assetBridger/erc20Bridger.ts b/src/lib/assetBridger/erc20Bridger.ts
index c00a0d24c..84ceed3b0 100644
--- a/src/lib/assetBridger/erc20Bridger.ts
+++ b/src/lib/assetBridger/erc20Bridger.ts
@@ -82,7 +82,7 @@ import { getErc20ParentAddressFromParentToChildTxRequest } from '../utils/callda
 
 export interface TokenApproveParams {
   /**
-   * Parent chain address of the ERC20 token contract
+   * Parent network address of the ERC20 token contract
    */
   erc20ParentAddress: string
   /**
@@ -101,11 +101,11 @@ export interface Erc20DepositParams extends EthDepositParams {
    */
   childProvider: Provider
   /**
-   * Parent chain address of the token ERC20 contract
+   * Parent network address of the token ERC20 contract
    */
   erc20ParentAddress: string
   /**
-   * Child chain address of the entity receiving the funds. Defaults to the l1FromAddress
+   * Child network address of the entity receiving the funds. Defaults to the l1FromAddress
    */
   destinationAddress?: string
   /**
@@ -132,7 +132,7 @@ export interface Erc20DepositParams extends EthDepositParams {
 
 export interface Erc20WithdrawParams extends EthWithdrawParams {
   /**
-   * Parent chain address of the token ERC20 contract
+   * Parent network address of the token ERC20 contract
    */
   erc20ParentAddress: string
 }
@@ -191,17 +191,17 @@ export class Erc20Bridger extends AssetBridger<
   public static MAX_APPROVAL: BigNumber = MaxUint256
   public static MIN_CUSTOM_DEPOSIT_GAS_LIMIT = BigNumber.from(275000)
 
-  public readonly childChain: ArbitrumNetwork & {
+  public readonly childNetwork: ArbitrumNetwork & {
     tokenBridge: TokenBridge
   }
 
   /**
    * Bridger for moving ERC20 tokens back and forth between parent-to-child
    */
-  public constructor(childChain: ArbitrumNetwork) {
-    super(childChain)
-    assertArbitrumNetworkHasTokenBridge(childChain)
-    this.childChain = childChain
+  public constructor(childNetwork: ArbitrumNetwork) {
+    super(childNetwork)
+    assertArbitrumNetworkHasTokenBridge(childNetwork)
+    this.childNetwork = childNetwork
   }
 
   /**
@@ -223,10 +223,10 @@ export class Erc20Bridger extends AssetBridger<
     erc20ParentAddress: string,
     parentProvider: Provider
   ): Promise<string> {
-    await this.checkParentChain(parentProvider)
+    await this.checkParentNetwork(parentProvider)
 
     return await L1GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.parentGatewayRouter,
+      this.childNetwork.tokenBridge.parentGatewayRouter,
       parentProvider
     ).getGateway(erc20ParentAddress)
   }
@@ -241,16 +241,16 @@ export class Erc20Bridger extends AssetBridger<
     erc20ParentAddress: string,
     childProvider: Provider
   ): Promise<string> {
-    await this.checkChildChain(childProvider)
+    await this.checkChildNetwork(childProvider)
 
     return await L2GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.childGatewayRouter,
+      this.childNetwork.tokenBridge.childGatewayRouter,
       childProvider
     ).getGateway(erc20ParentAddress)
   }
 
   /**
-   * Creates a transaction request for approving the custom gas token to be spent by the relevant gateway on the parent chain
+   * Creates a transaction request for approving the custom gas token to be spent by the relevant gateway on the parent network
    * @param params
    */
   public async getApproveGasTokenRequest(
@@ -266,7 +266,7 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Approves the custom gas token to be spent by the relevant gateway on the parent chain
+   * Approves the custom gas token to be spent by the relevant gateway on the parent network
    * @param params
    */
   public async approveGasToken(
@@ -276,7 +276,7 @@ export class Erc20Bridger extends AssetBridger<
       throw new Error('chain uses ETH as its native/gas token')
     }
 
-    await this.checkParentChain(params.parentSigner)
+    await this.checkParentNetwork(params.parentSigner)
 
     const approveGasTokenRequest = this.isApproveParams(params)
       ? await this.getApproveGasTokenRequest({
@@ -335,7 +335,7 @@ export class Erc20Bridger extends AssetBridger<
   public async approveToken(
     params: ApproveParamsOrTxRequest
   ): Promise<ethers.ContractTransaction> {
-    await this.checkParentChain(params.parentSigner)
+    await this.checkParentNetwork(params.parentSigner)
 
     const approveRequest = this.isApproveParams(params)
       ? await this.getApproveTokenRequest({
@@ -352,7 +352,7 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Get the child chain events created by a withdrawal
+   * Get the child network events created by a withdrawal
    * @param childProvider
    * @param gatewayAddress
    * @param parentTokenAddress
@@ -368,7 +368,7 @@ export class Erc20Bridger extends AssetBridger<
     fromAddress?: string,
     toAddress?: string
   ): Promise<(EventArgs<WithdrawalInitiatedEvent> & { txHash: string })[]> {
-    await this.checkChildChain(childProvider)
+    await this.checkChildNetwork(childProvider)
 
     const eventFetcher = new EventFetcher(childProvider)
     const events = (
@@ -433,8 +433,8 @@ export class Erc20Bridger extends AssetBridger<
     gatewayAddress: string,
     parentProvider: Provider
   ): Promise<boolean> {
-    const wethAddress = this.childChain.tokenBridge.parentWethGateway
-    if (this.childChain.isCustom) {
+    const wethAddress = this.childNetwork.tokenBridge.parentWethGateway
+    if (this.childNetwork.isCustom) {
       // For custom network, we do an ad-hoc check to see if it's a WETH gateway
       if (await this.looksLikeWethGateway(gatewayAddress, parentProvider)) {
         return true
@@ -447,7 +447,7 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Get the child chain token contract at the provided address
+   * Get the child network token contract at the provided address
    * Note: This function just returns a typed ethers object for the provided address, it doesn't
    * check the underlying form of the contract bytecode to see if it's an erc20, and doesn't ensure the validity
    * of any of the underlying functions on that contract.
@@ -479,7 +479,7 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Get the corresponding child chain token address for the provided parent chain token
+   * Get the corresponding child network token address for the provided parent network token
    * @param erc20ParentAddress
    * @param parentProvider
    * @returns
@@ -488,10 +488,10 @@ export class Erc20Bridger extends AssetBridger<
     erc20ParentAddress: string,
     parentProvider: Provider
   ): Promise<string> {
-    await this.checkParentChain(parentProvider)
+    await this.checkParentNetwork(parentProvider)
 
     const parentGatewayRouter = L1GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.parentGatewayRouter,
+      this.childNetwork.tokenBridge.parentGatewayRouter,
       parentProvider
     )
 
@@ -501,8 +501,8 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Get the corresponding parent chain address for the provided child chain token
-   * Validates the returned address against the child chain router to ensure it is correctly mapped to the provided erc20ChildChainAddress
+   * Get the corresponding parent network address for the provided child network token
+   * Validates the returned address against the child network router to ensure it is correctly mapped to the provided erc20ChildChainAddress
    * @param erc20ChildChainAddress
    * @param childProvider
    * @returns
@@ -511,14 +511,14 @@ export class Erc20Bridger extends AssetBridger<
     erc20ChildChainAddress: string,
     childProvider: Provider
   ): Promise<string> {
-    await this.checkChildChain(childProvider)
+    await this.checkChildNetwork(childProvider)
 
-    // child chain WETH contract doesn't have the parentAddress method on it
+    // child network WETH contract doesn't have the parentAddress method on it
     if (
       erc20ChildChainAddress.toLowerCase() ===
-      this.childChain.tokenBridge.childWeth.toLowerCase()
+      this.childNetwork.tokenBridge.childWeth.toLowerCase()
     ) {
-      return this.childChain.tokenBridge.parentWeth
+      return this.childNetwork.tokenBridge.parentWeth
     }
 
     const arbERC20 = L2GatewayToken__factory.connect(
@@ -531,7 +531,7 @@ export class Erc20Bridger extends AssetBridger<
 
     // check that this l1 address is indeed registered to this child token
     const childGatewayRouter = L2GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.childGatewayRouter,
+      this.childNetwork.tokenBridge.childGatewayRouter,
       childProvider
     )
 
@@ -557,10 +557,10 @@ export class Erc20Bridger extends AssetBridger<
     parentTokenAddress: string,
     parentProvider: Provider
   ): Promise<boolean> {
-    await this.checkParentChain(parentProvider)
+    await this.checkParentNetwork(parentProvider)
 
     const parentGatewayRouter = L1GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.parentGatewayRouter,
+      this.childNetwork.tokenBridge.parentGatewayRouter,
       parentProvider
     )
 
@@ -647,8 +647,8 @@ export class Erc20Bridger extends AssetBridger<
   public async getDepositRequest(
     params: DepositRequest
   ): Promise<ParentToChildTransactionRequest> {
-    await this.checkParentChain(params.parentProvider)
-    await this.checkChildChain(params.childProvider)
+    await this.checkParentNetwork(params.parentProvider)
+    await this.checkChildNetwork(params.childProvider)
     const defaultedParams = this.applyDefaults(params)
     const {
       amount,
@@ -666,7 +666,7 @@ export class Erc20Bridger extends AssetBridger<
     let tokenGasOverrides: GasOverrides | undefined = retryableGasOverrides
     // we also add a hardcoded minimum gas limit for custom gateway deposits
     if (
-      parentGatewayAddress === this.childChain.tokenBridge.parentCustomGateway
+      parentGatewayAddress === this.childNetwork.tokenBridge.parentCustomGateway
     ) {
       if (!tokenGasOverrides) tokenGasOverrides = {}
       if (!tokenGasOverrides.gasLimit) tokenGasOverrides.gasLimit = {}
@@ -708,7 +708,7 @@ export class Erc20Bridger extends AssetBridger<
 
       return {
         data: functionData,
-        to: this.childChain.tokenBridge.parentGatewayRouter,
+        to: this.childNetwork.tokenBridge.parentGatewayRouter,
         from: defaultedParams.from,
         value: this.getDepositRequestCallValue(depositParams),
       }
@@ -723,7 +723,7 @@ export class Erc20Bridger extends AssetBridger<
 
     return {
       txRequest: {
-        to: this.childChain.tokenBridge.parentGatewayRouter,
+        to: this.childNetwork.tokenBridge.parentGatewayRouter,
         data: estimates.data,
         value: estimates.value,
         from: params.from,
@@ -747,14 +747,14 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Execute a token deposit from parent to child chain
+   * Execute a token deposit from parent to child network
    * @param params
    * @returns
    */
   public async deposit(
     params: Erc20DepositParams | ParentToChildTxReqAndSignerProvider
   ): Promise<ParentContractCallTransaction> {
-    await this.checkParentChain(params.parentSigner)
+    await this.checkParentNetwork(params.parentSigner)
 
     // Although the types prevent should alert callers that value is not
     // a valid override, it is possible that they pass it in anyway as it's a common override
@@ -834,7 +834,7 @@ export class Erc20Bridger extends AssetBridger<
     return {
       txRequest: {
         data: functionData,
-        to: this.childChain.tokenBridge.childGatewayRouter,
+        to: this.childNetwork.tokenBridge.childGatewayRouter,
         value: BigNumber.from(0),
         from: params.from,
       },
@@ -867,7 +867,7 @@ export class Erc20Bridger extends AssetBridger<
   }
 
   /**
-   * Withdraw tokens from child to parent chain
+   * Withdraw tokens from child to parent network
    * @param params
    * @returns
    */
@@ -879,7 +879,7 @@ export class Erc20Bridger extends AssetBridger<
     if (!SignerProviderUtils.signerHasProvider(params.childSigner)) {
       throw new MissingProviderArbSdkError('childSigner')
     }
-    await this.checkChildChain(params.childSigner)
+    await this.checkChildNetwork(params.childSigner)
 
     const withdrawalRequest = isChildToParentTransactionRequest<
       OmitTyped<Erc20WithdrawParams, 'from'> & { childSigner: Signer }
@@ -914,7 +914,7 @@ export class Erc20Bridger extends AssetBridger<
     childProvider: Provider
   }) {
     const parentStandardGatewayAddressFromChainConfig =
-      this.childChain.tokenBridge.parentErc20Gateway
+      this.childNetwork.tokenBridge.parentErc20Gateway
 
     const parentGatewayAddressFromParentGatewayRouter =
       await this.getParentGatewayAddress(erc20ParentAddress, parentProvider)
@@ -989,7 +989,7 @@ export class AdminErc20Bridger extends Erc20Bridger {
       throw new Error('chain uses ETH as its native/gas token')
     }
 
-    await this.checkParentChain(params.parentSigner)
+    await this.checkParentNetwork(params.parentSigner)
 
     const approveGasTokenRequest = this.isApproveParams(params)
       ? this.getApproveGasTokenForCustomTokenRegistrationRequest({
@@ -1024,8 +1024,8 @@ export class AdminErc20Bridger extends Erc20Bridger {
     if (!SignerProviderUtils.signerHasProvider(parentSigner)) {
       throw new MissingProviderArbSdkError('parentSigner')
     }
-    await this.checkParentChain(parentSigner)
-    await this.checkChildChain(childProvider)
+    await this.checkParentNetwork(parentSigner)
+    await this.checkChildNetwork(childProvider)
 
     const parentProvider = parentSigner.provider!
     const parentSenderAddress = await parentSigner.getAddress()
@@ -1178,10 +1178,10 @@ export class AdminErc20Bridger extends Erc20Bridger {
     parentProvider: Provider,
     filter: { fromBlock: BlockTag; toBlock: BlockTag }
   ): Promise<EventArgs<GatewaySetEvent>[]> {
-    await this.checkParentChain(parentProvider)
+    await this.checkParentNetwork(parentProvider)
 
     const parentGatewayRouterAddress =
-      this.childChain.tokenBridge.parentGatewayRouter
+      this.childNetwork.tokenBridge.parentGatewayRouter
     const eventFetcher = new EventFetcher(parentProvider)
     return (
       await eventFetcher.getEvents(
@@ -1203,16 +1203,16 @@ export class AdminErc20Bridger extends Erc20Bridger {
     filter: { fromBlock: BlockTag; toBlock: BlockTag },
     customNetworkL2GatewayRouter?: string
   ): Promise<EventArgs<GatewaySetEvent>[]> {
-    if (this.childChain.isCustom && !customNetworkL2GatewayRouter) {
+    if (this.childNetwork.isCustom && !customNetworkL2GatewayRouter) {
       throw new ArbSdkError(
         'Must supply customNetworkL2GatewayRouter for custom network '
       )
     }
-    await this.checkChildChain(childProvider)
+    await this.checkChildNetwork(childProvider)
 
     const childGatewayRouterAddress =
       customNetworkL2GatewayRouter ||
-      this.childChain.tokenBridge.childGatewayRouter
+      this.childNetwork.tokenBridge.childGatewayRouter
 
     const eventFetcher = new EventFetcher(childProvider)
     return (
@@ -1240,13 +1240,13 @@ export class AdminErc20Bridger extends Erc20Bridger {
     if (!SignerProviderUtils.signerHasProvider(parentSigner)) {
       throw new MissingProviderArbSdkError('parentSigner')
     }
-    await this.checkParentChain(parentSigner)
-    await this.checkChildChain(childProvider)
+    await this.checkParentNetwork(parentSigner)
+    await this.checkChildNetwork(childProvider)
 
     const from = await parentSigner.getAddress()
 
     const parentGatewayRouter = L1GatewayRouter__factory.connect(
-      this.childChain.tokenBridge.parentGatewayRouter,
+      this.childNetwork.tokenBridge.parentGatewayRouter,
       parentSigner
     )
 
diff --git a/src/lib/assetBridger/ethBridger.ts b/src/lib/assetBridger/ethBridger.ts
index af8461209..61dd02bc1 100644
--- a/src/lib/assetBridger/ethBridger.ts
+++ b/src/lib/assetBridger/ethBridger.ts
@@ -86,7 +86,7 @@ export interface EthWithdrawParams {
    */
   amount: BigNumber
   /**
-   * The parent chain address to receive the value.
+   * The parent network address to receive the value.
    */
   destinationAddress: string
   /**
@@ -101,7 +101,7 @@ export interface EthWithdrawParams {
 
 export type EthDepositParams = {
   /**
-   * Parent chain provider or signer
+   * Parent network provider or signer
    */
   parentSigner: Signer
   /**
@@ -116,11 +116,11 @@ export type EthDepositParams = {
 
 export type EthDepositToParams = EthDepositParams & {
   /**
-   * Child chain provider
+   * Child network provider
    */
   childProvider: Provider
   /**
-   * Child chain address of the entity receiving the funds
+   * Child network address of the entity receiving the funds
    */
   destinationAddress: string
   /**
@@ -149,7 +149,7 @@ type EthDepositToRequestParams = OmitTyped<
   'overrides' | 'parentSigner'
 > & {
   /**
-   * Parent chain provider
+   * Parent network provider
    */
   parentProvider: Provider
   /**
@@ -159,14 +159,14 @@ type EthDepositToRequestParams = OmitTyped<
 }
 
 /**
- * Bridger for moving either ETH or custom gas tokens back and forth between parent and child chains
+ * Bridger for moving either ETH or custom gas tokens back and forth between parent and child networks
  */
 export class EthBridger extends AssetBridger<
   EthDepositParams | EthDepositToParams | ParentToChildTxReqAndSigner,
   EthWithdrawParams | ChildToParentTxReqAndSigner
 > {
   /**
-   * Instantiates a new EthBridger from a child chain Provider
+   * Instantiates a new EthBridger from a child network Provider
    * @param childProvider
    * @returns
    */
@@ -185,7 +185,7 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Creates a transaction request for approving the custom gas token to be spent by the inbox on the parent chain
+   * Creates a transaction request for approving the custom gas token to be spent by the inbox on the parent network
    * @param params
    */
   public getApproveGasTokenRequest(
@@ -199,7 +199,7 @@ export class EthBridger extends AssetBridger<
       'approve',
       [
         // spender
-        this.childChain.ethBridge.inbox,
+        this.childNetwork.ethBridge.inbox,
         // value
         params?.amount ?? constants.MaxUint256,
       ]
@@ -213,7 +213,7 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Approves the custom gas token to be spent by the Inbox on the parent chain.
+   * Approves the custom gas token to be spent by the Inbox on the parent network.
    * @param params
    */
   public async approveGasToken(
@@ -270,7 +270,7 @@ export class EthBridger extends AssetBridger<
   ): Promise<OmitTyped<ParentToChildTransactionRequest, 'retryableData'>> {
     return {
       txRequest: {
-        to: this.childChain.ethBridge.inbox,
+        to: this.childNetwork.ethBridge.inbox,
         value: this.nativeTokenIsEth ? params.amount : 0,
         data: this.getDepositRequestData(params),
         from: params.from,
@@ -280,14 +280,14 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Deposit ETH from Parent onto Child chain
+   * Deposit ETH from Parent onto Child network
    * @param params
    * @returns
    */
   public async deposit(
     params: EthDepositParams | ParentToChildTxReqAndSigner
   ): Promise<ParentEthDepositTransaction> {
-    await this.checkParentChain(params.parentSigner)
+    await this.checkParentNetwork(params.parentSigner)
 
     const ethDeposit = isParentToChildTransactionRequest(params)
       ? params
@@ -305,7 +305,7 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Get a transaction request for an ETH deposit to a different child chain address using Retryables
+   * Get a transaction request for an ETH deposit to a different child network address using Retryables
    * @param params
    * @returns
    */
@@ -332,7 +332,7 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Deposit ETH from parent chain onto a different child chain address
+   * Deposit ETH from parent network onto a different child network address
    * @param params
    * @returns
    */
@@ -341,8 +341,8 @@ export class EthBridger extends AssetBridger<
       | EthDepositToParams
       | (ParentToChildTxReqAndSigner & { childProvider: Provider })
   ): Promise<ParentContractCallTransaction> {
-    await this.checkParentChain(params.parentSigner)
-    await this.checkChildChain(params.childProvider)
+    await this.checkParentNetwork(params.parentSigner)
+    await this.checkChildNetwork(params.childProvider)
 
     const retryableTicketRequest = isParentToChildTransactionRequest(params)
       ? params
@@ -401,7 +401,7 @@ export class EthBridger extends AssetBridger<
   }
 
   /**
-   * Withdraw ETH from child chain onto parent chain
+   * Withdraw ETH from child network onto parent network
    * @param params
    * @returns
    */
@@ -413,7 +413,7 @@ export class EthBridger extends AssetBridger<
     if (!SignerProviderUtils.signerHasProvider(params.childSigner)) {
       throw new MissingProviderArbSdkError('childSigner')
     }
-    await this.checkChildChain(params.childSigner)
+    await this.checkChildNetwork(params.childSigner)
 
     const request = isChildToParentTransactionRequest<
       EthWithdrawParams & { childSigner: Signer }
diff --git a/tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts b/tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts
index 4ce32939a..5964b017d 100644
--- a/tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts
+++ b/tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts
@@ -65,7 +65,7 @@ describeOnlyWhenCustomGasToken(
 
       const allowance = await nativeTokenContract.allowance(
         await parentSigner.getAddress(),
-        ethBridger.childChain.ethBridge.inbox
+        ethBridger.childNetwork.ethBridge.inbox
       )
 
       expect(allowance.toString()).to.equal(
@@ -89,7 +89,7 @@ describeOnlyWhenCustomGasToken(
 
       const allowance = await nativeTokenContract.allowance(
         await parentSigner.getAddress(),
-        ethBridger.childChain.ethBridge.inbox
+        ethBridger.childNetwork.ethBridge.inbox
       )
 
       expect(allowance.toString()).to.equal(
@@ -106,7 +106,7 @@ describeOnlyWhenCustomGasToken(
         childSigner,
         childProvider,
       } = await testSetup()
-      const bridge = ethBridger.childChain.ethBridge.bridge
+      const bridge = ethBridger.childNetwork.ethBridge.bridge
       const amount = parseEther('2')
 
       await fundParentSignerEther(parentSigner)
@@ -167,7 +167,7 @@ describeOnlyWhenCustomGasToken(
         ethBridger,
         nativeTokenContract,
       } = await testSetup()
-      const bridge = ethBridger.childChain.ethBridge.bridge
+      const bridge = ethBridger.childNetwork.ethBridge.bridge
       const amount = parseEther('0.2')
 
       await fundParentSignerEther(parentSigner)
diff --git a/tests/integration/eth.test.ts b/tests/integration/eth.test.ts
index f5a553ae1..d69dcf591 100644
--- a/tests/integration/eth.test.ts
+++ b/tests/integration/eth.test.ts
@@ -102,7 +102,7 @@ describe('Ether', async () => {
     const { ethBridger, parentSigner, childSigner } = await testSetup()
 
     await fundParentSigner(parentSigner)
-    const inboxAddress = ethBridger.childChain.ethBridge.inbox
+    const inboxAddress = ethBridger.childNetwork.ethBridge.inbox
 
     const initialInboxBalance = await parentSigner.provider!.getBalance(
       inboxAddress
@@ -162,7 +162,7 @@ describe('Ether', async () => {
     const { ethBridger, parentSigner, childSigner } = await testSetup()
 
     await fundParentSigner(parentSigner)
-    const inboxAddress = ethBridger.childChain.ethBridge.inbox
+    const inboxAddress = ethBridger.childNetwork.ethBridge.inbox
     const destWallet = Wallet.createRandom()
 
     const initialInboxBalance = await parentSigner.provider!.getBalance(
diff --git a/tests/integration/testHelpers.ts b/tests/integration/testHelpers.ts
index 68fedb173..2106c009c 100644
--- a/tests/integration/testHelpers.ts
+++ b/tests/integration/testHelpers.ts
@@ -139,7 +139,7 @@ export const withdrawToken = async (params: WithdrawalParams) => {
 
   const { expectedL2Gateway } = getGateways(
     params.gatewayType,
-    params.erc20Bridger.childChain
+    params.erc20Bridger.childNetwork
   )
   expect(gatewayAddress, 'Gateway is not custom gateway').to.eq(
     expectedL2Gateway
@@ -348,7 +348,7 @@ export const depositToken = async ({
 
   const { expectedL1Gateway, expectedL2Gateway } = getGateways(
     expectedGatewayType,
-    erc20Bridger.childChain
+    erc20Bridger.childNetwork
   )
 
   const parentGateway = await erc20Bridger.getParentGatewayAddress(