diff --git a/.github/workflows/dev-cd.yaml b/.github/workflows/dev-cd.yaml
index 195df07..13fe5c5 100644
--- a/.github/workflows/dev-cd.yaml
+++ b/.github/workflows/dev-cd.yaml
@@ -8,6 +8,9 @@ env:
   REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
   REACT_APP_INFURA_KEY: ${{ secrets.REACT_APP_INFURA_KEY }}
   REACT_APP_ONBOARD_JS_DAPP_ID: ${{ secrets.REACT_APP_ONBOARD_JS_DAPP_ID }}
+  REACT_APP_OPTIMISTIC_ETHERSCAN_KEY: ${{ secrets.REACT_APP_OPTIMISTIC_ETHERSCAN_KEY }}
+  REACT_APP_ARBISCAN_KEY: ${{ secrets.REACT_APP_ARBISCAN_KEY }}
+  REACT_APP_SNOWTRACE_KEY: ${{ secrets.REACT_APP_SNOWTRACE_KEY }}
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/prod-release-deploy.yaml b/.github/workflows/prod-release-deploy.yaml
index 971d231..f121acf 100644
--- a/.github/workflows/prod-release-deploy.yaml
+++ b/.github/workflows/prod-release-deploy.yaml
@@ -8,6 +8,9 @@ env:
   REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
   REACT_APP_INFURA_KEY: ${{ secrets.REACT_APP_INFURA_KEY }}
   REACT_APP_ONBOARD_JS_DAPP_ID: ${{ secrets.REACT_APP_ONBOARD_JS_DAPP_ID }}
+  REACT_APP_OPTIMISTIC_ETHERSCAN_KEY: ${{ secrets.REACT_APP_OPTIMISTIC_ETHERSCAN_KEY }}
+  REACT_APP_ARBISCAN_KEY: ${{ secrets.REACT_APP_ARBISCAN_KEY }}
+  REACT_APP_SNOWTRACE_KEY: ${{ secrets.REACT_APP_SNOWTRACE_KEY }}
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/packages/exit-app/.env.sample b/packages/exit-app/.env.sample
index bbd30c9..7b2ae46 100644
--- a/packages/exit-app/.env.sample
+++ b/packages/exit-app/.env.sample
@@ -1,3 +1,6 @@
 REACT_APP_INFURA_KEY=
 REACT_APP_ONBOARD_JS_DAPP_ID=
 REACT_APP_ETHERSCAN_KEY=
+REACT_APP_OPTIMISTIC_ETHERSCAN_KEY=
+REACT_APP_ARBISCAN_KEY=
+REACT_APP_SNOWTRACE_KEY=
diff --git a/packages/exit-app/src/utils/explorers.ts b/packages/exit-app/src/utils/explorers.ts
index 417f8c2..cedb47c 100644
--- a/packages/exit-app/src/utils/explorers.ts
+++ b/packages/exit-app/src/utils/explorers.ts
@@ -1,6 +1,9 @@
 import { NETWORK } from './networks'
 
 const REACT_APP_ETHERSCAN_KEY = process.env.REACT_APP_ETHERSCAN_KEY
+const REACT_APP_OPTIMISTIC_ETHERSCAN_KEY = process.env.REACT_APP_OPTIMISTIC_ETHERSCAN_KEY
+const REACT_APP_ARBISCAN_KEY = process.env.REACT_APP_ARBISCAN_KEY
+const REACT_APP_SNOWTRACE_KEY = process.env.REACT_APP_SNOWTRACE_KEY
 
 interface ExplorerData {
   networkExplorerName: string
@@ -57,6 +60,33 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     verifyContractUrl: 'https://bscscan.com/verifyContract',
     explorerApiKey: REACT_APP_ETHERSCAN_KEY,
   },
+  [NETWORK.OPTIMISM]: {
+    networkExplorerName: 'Etherscan',
+    networkExplorerUrl: 'https://optimistic.etherscan.io/',
+    networkExplorerApiUrl: 'https://api-optimistic.etherscan.io/api',
+    safeTransactionApi: 'https://safe-transaction-optimism.safe.global/',
+    safeUrl: 'https://app.safe.global/home?safe=oeth:',
+    verifyContractUrl: 'https://optimistic.etherscan.io/verifyContract',
+    explorerApiKey: REACT_APP_OPTIMISTIC_ETHERSCAN_KEY,
+  },
+  [NETWORK.ARBITRUMONE]: {
+    networkExplorerName: 'Arbiscan',
+    networkExplorerUrl: 'https://arbiscan.io/',
+    networkExplorerApiUrl: 'https://api.arbiscan.io/api',
+    safeTransactionApi: 'https://safe-transaction-arbitrum.safe.global/',
+    safeUrl: 'https://app.safe.global/home?safe=arb1:',
+    verifyContractUrl: 'https://arbiscan.io/verifyContract',
+    explorerApiKey: REACT_APP_ARBISCAN_KEY,
+  },
+  [NETWORK.AVALANCHE]: {
+    networkExplorerName: 'Snowtrace',
+    networkExplorerUrl: 'https://snowtrace.io/',
+    networkExplorerApiUrl: 'https://api.snowtrace.io/api',
+    safeTransactionApi: 'https://safe-transaction-arbitrum.safe.global/',
+    safeUrl: 'https://app.safe.global/home?safe=avax:',
+    verifyContractUrl: 'https://snowtrace.io/verifyContract',
+    explorerApiKey: REACT_APP_SNOWTRACE_KEY,
+  },
 }
 
 export const getNetworkExplorerInfo = (chainId: number) => {
diff --git a/packages/exit-app/src/utils/networks.ts b/packages/exit-app/src/utils/networks.ts
index 6d2a5e9..982b938 100644
--- a/packages/exit-app/src/utils/networks.ts
+++ b/packages/exit-app/src/utils/networks.ts
@@ -1,9 +1,12 @@
 export enum NETWORK {
   MAINNET = 1,
-  GOERLI = 5,
+  OPTIMISM = 10,
   BSC = 56,
+  GOERLI = 5,
   XDAI = 100,
   POLYGON = 137,
+  ARBITRUMONE = 42161,
+  AVALANCHE = 43114,
 }
 
 export interface Coin {
@@ -16,6 +19,7 @@ export const NATIVE_ASSET: Record<string, Coin> = {
   XDAI: { symbol: 'xDai', decimals: 18 },
   MATIC: { symbol: 'MATIC', decimals: 18 },
   BNB: { symbol: 'BNB', decimals: 18 },
+  AVAX: { symbol: 'AVAX', decimals: 18 },
 }
 
 export const NETWORK_NATIVE_ASSET: Record<NETWORK, Coin> = {
@@ -24,6 +28,9 @@ export const NETWORK_NATIVE_ASSET: Record<NETWORK, Coin> = {
   [NETWORK.BSC]: NATIVE_ASSET.BNB,
   [NETWORK.XDAI]: NATIVE_ASSET.XDAI,
   [NETWORK.POLYGON]: NATIVE_ASSET.MATIC,
+  [NETWORK.OPTIMISM]: NATIVE_ASSET.ETH,
+  [NETWORK.ARBITRUMONE]: NATIVE_ASSET.ETH,
+  [NETWORK.AVALANCHE]: NATIVE_ASSET.AVAX,
 }
 
 export const NETWORK_NAME: Record<NETWORK, string> = {
@@ -32,6 +39,9 @@ export const NETWORK_NAME: Record<NETWORK, string> = {
   [NETWORK.BSC]: 'Binance Smart Chain',
   [NETWORK.XDAI]: 'Gnosis Chain',
   [NETWORK.POLYGON]: 'Polygon',
+  [NETWORK.OPTIMISM]: 'Optimism',
+  [NETWORK.ARBITRUMONE]: 'Arbitrum One',
+  [NETWORK.AVALANCHE]: 'Avalanche',
 }
 
 export const NETWORK_DEFAULT_RPC: Record<NETWORK, string> = {
@@ -40,6 +50,9 @@ export const NETWORK_DEFAULT_RPC: Record<NETWORK, string> = {
   [NETWORK.BSC]: 'https://bsc-dataseed.binance.org',
   [NETWORK.XDAI]: 'https://rpc.gnosischain.com',
   [NETWORK.POLYGON]: 'https://polygon-rpc.com',
+  [NETWORK.OPTIMISM]: 'https://mainnet.optimism.io',
+  [NETWORK.ARBITRUMONE]: 'https://arb1.arbitrum.io/rpc',
+  [NETWORK.AVALANCHE]: 'https://avalanche-c-chain.publicnode.com',
 }
 
 export function getNetworkNativeAsset(network: NETWORK) {