diff --git a/.github/workflows/dev-cd.yaml b/.github/workflows/dev-cd.yaml
index 64e0f5cd..3dd9a287 100644
--- a/.github/workflows/dev-cd.yaml
+++ b/.github/workflows/dev-cd.yaml
@@ -5,8 +5,14 @@ on:
     branches: master
 
 env:
-  REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
   REACT_APP_INFURA_ID: ${{ secrets.REACT_APP_INFURA_ID }}
+  REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
+  REACT_APP_GNOSISSCAN_KEY: ${{ secrets.REACT_APP_GNOSISSCAN_KEY }}
+  REACT_APP_POLYGONSCAN_KEY: ${{ secrets.REACT_APP_POLYGONSCAN_KEY }}
+  REACT_APP_BSCSCAN_KEY: ${{ secrets.REACT_APP_BSCSCAN_KEY }}
+  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 }}
   REACT_APP_MULTI_SEND_CONTRACT: "0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761"
   REACT_APP_BACKEND_API_URL: "https://api.dev.zodiac.gnosisguild.org/api"
 
diff --git a/.github/workflows/prod-release-deploy.yaml b/.github/workflows/prod-release-deploy.yaml
index ec4d70fd..5f27032e 100644
--- a/.github/workflows/prod-release-deploy.yaml
+++ b/.github/workflows/prod-release-deploy.yaml
@@ -5,10 +5,16 @@ on:
     types: created
 
 env:
-  REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
   REACT_APP_INFURA_ID: ${{ secrets.REACT_APP_INFURA_ID }}
   REACT_APP_MULTI_SEND_CONTRACT: "0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761"
   REACT_APP_BACKEND_API_URL: "https://api.zodiac.gnosisguild.org/api"
+  REACT_APP_ETHERSCAN_KEY: ${{ secrets.REACT_APP_ETHERSCAN_KEY }}
+  REACT_APP_GNOSISSCAN_KEY: ${{ secrets.REACT_APP_GNOSISSCAN_KEY }}
+  REACT_APP_POLYGONSCAN_KEY: ${{ secrets.REACT_APP_POLYGONSCAN_KEY }}
+  REACT_APP_BSCSCAN_KEY: ${{ secrets.REACT_APP_BSCSCAN_KEY }}
+  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:
diff --git a/packages/app/.env.sample b/packages/app/.env.sample
index e59c0731..ccc48edd 100644
--- a/packages/app/.env.sample
+++ b/packages/app/.env.sample
@@ -1,6 +1,14 @@
 PORT=3000
 HTTPS=true
 REACT_APP_INFURA_ID=
-REACT_APP_ETHERSCAN_KEY=
 REACT_APP_MULTI_SEND_CONTRACT=0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761
-REACT_APP_BACKEND_API_URL=http://localhost:3001/api
\ No newline at end of file
+REACT_APP_BACKEND_API_URL=http://localhost:3001/api
+
+# Blockchain explorers
+REACT_APP_ETHERSCAN_KEY=
+REACT_APP_GNOSISSCAN_KEY=
+REACT_APP_POLYGONSCAN_KEY=
+REACT_APP_BSCSCAN_KEY=
+REACT_APP_OPTIMISTIC_ETHERSCAN_KEY=
+REACT_APP_ARBISCAN_KEY=
+REACT_APP_SNOWTRACE_KEY=
\ No newline at end of file
diff --git a/packages/app/src/utils/explorers.ts b/packages/app/src/utils/explorers.ts
index c9edbc90..a6b493ee 100644
--- a/packages/app/src/utils/explorers.ts
+++ b/packages/app/src/utils/explorers.ts
@@ -1,6 +1,40 @@
 import { NETWORK } from "./networks"
 
+const isDev = process.env.NODE_ENV === "development"
 const REACT_APP_ETHERSCAN_KEY = process.env.REACT_APP_ETHERSCAN_KEY
+if (!REACT_APP_ETHERSCAN_KEY) {
+  throw new Error("REACT_APP_ETHERSCAN_KEY is not set")
+}
+
+const REACT_APP_GNOSISSCAN_KEY = process.env.REACT_APP_GNOSISSCAN_KEY
+if (!isDev && !REACT_APP_GNOSISSCAN_KEY) {
+  throw new Error("REACT_APP_GNOSISSCAN_KEY is not set")
+}
+
+const REACT_APP_POLYGONSCAN_KEY = process.env.REACT_APP_POLYGONSCAN_KEY
+if (!isDev && !REACT_APP_POLYGONSCAN_KEY) {
+  throw new Error("REACT_APP_POLYGONSCAN_KEY is not set")
+}
+
+const REACT_APP_BSCSCAN_KEY = process.env.REACT_APP_BSCSCAN_KEY
+if (!isDev && !REACT_APP_BSCSCAN_KEY) {
+  throw new Error("REACT_APP_BSCSCAN_KEY is not set")
+}
+
+const REACT_APP_OPTIMISTIC_ETHERSCAN_KEY = process.env.REACT_APP_OPTIMISTIC_ETHERSCAN_KEY
+if (!isDev && !REACT_APP_OPTIMISTIC_ETHERSCAN_KEY) {
+  throw new Error("REACT_APP_OPTIMISTIC_ETHERSCAN_KEY is not set")
+}
+
+const REACT_APP_ARBISCAN_KEY = process.env.REACT_APP_ARBISCAN_KEY
+if (!isDev && !REACT_APP_ARBISCAN_KEY) {
+  throw new Error("REACT_APP_ARBISCAN_KEY is not set")
+}
+
+const REACT_APP_SNOWTRACE_KEY = process.env.REACT_APP_SNOWTRACE_KEY
+if (!isDev && !REACT_APP_SNOWTRACE_KEY) {
+  throw new Error("REACT_APP_SNOWTRACE_KEY is not set")
+}
 
 interface ExplorerData {
   networkExplorerName: string
@@ -32,13 +66,13 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     explorerApiKey: REACT_APP_ETHERSCAN_KEY,
   },
   [NETWORK.GNOSIS_CHAIN]: {
-    networkExplorerName: "Blockscout",
-    networkExplorerUrl: "https://blockscout.com/xdai/mainnet",
-    networkExplorerApiUrl: "https://blockscout.com/xdai/mainnet/api",
+    networkExplorerName: "GnosisScan",
+    networkExplorerUrl: "https://gnosisscan.io",
+    networkExplorerApiUrl: "https://api.gnosisscan.io/api",
     safeUrl: "https://app.safe.global/gno:",
     safeTransactionApi: "https://safe-transaction-gnosis-chain.safe.global/",
-    verifyContractUrl:
-      "https://docs.blockscout.com/for-users/smart-contract-interaction/verifying-a-smart-contract",
+    verifyContractUrl: "https://gnosisscan.io/verifyContract",
+    explorerApiKey: REACT_APP_GNOSISSCAN_KEY,
   },
   [NETWORK.POLYGON]: {
     networkExplorerName: "Polygonscan",
@@ -47,16 +81,16 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     safeUrl: "https://app.safe.global/matic:",
     safeTransactionApi: "https://safe-transaction-polygon.safe.global/",
     verifyContractUrl: "https://polygonscan.com/verifyContract",
-    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    explorerApiKey: REACT_APP_POLYGONSCAN_KEY,
   },
   [NETWORK.BSC]: {
     networkExplorerName: "Bscscan",
     networkExplorerUrl: "https://bscscan.com/",
-    networkExplorerApiUrl: "https://bscscan.com/api",
+    networkExplorerApiUrl: "https://api.bscscan.com/api",
     safeUrl: "https://app.safe.global/bsc:",
     safeTransactionApi: "https://safe-transaction-bsc.safe.global/",
     verifyContractUrl: "https://bscscan.com/verifyContract",
-    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    explorerApiKey: REACT_APP_BSCSCAN_KEY,
   },
   [NETWORK.OPTIMISM]: {
     networkExplorerName: "Optimism",
@@ -65,7 +99,7 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     safeTransactionApi: "https://safe-transaction-optimism.safe.global/",
     safeUrl: "https://app.safe.global/oeth:",
     verifyContractUrl: "https://optimistic.etherscan.io/verifyContract",
-    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    explorerApiKey: REACT_APP_OPTIMISTIC_ETHERSCAN_KEY,
   },
   [NETWORK.ARBITRUM]: {
     networkExplorerName: "Arbiscan",
@@ -74,7 +108,7 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     safeTransactionApi: "https://safe-transaction-arbitrum.safe.global/",
     safeUrl: "https://app.safe.global/arb1:",
     verifyContractUrl: "https://arbiscan.io/verifyContract",
-    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    explorerApiKey: REACT_APP_ARBISCAN_KEY,
   },
   [NETWORK.AVALANCHE]: {
     networkExplorerName: "Snowtrace",
@@ -83,7 +117,7 @@ export const EXPLORERS_CONFIG: Record<NETWORK, ExplorerData> = {
     safeTransactionApi: "https://safe-transaction-avalanche.safe.global/",
     safeUrl: "https://app.safe.global/avax:",
     verifyContractUrl: "https://snowtrace.io/verifyContract",
-    explorerApiKey: REACT_APP_ETHERSCAN_KEY,
+    explorerApiKey: REACT_APP_SNOWTRACE_KEY,
   },
 }