diff --git a/.env.example b/.env.example
index 1b82f32..1468d01 100644
--- a/.env.example
+++ b/.env.example
@@ -42,4 +42,5 @@ LIGHTBRIDGE_BLOCK_RANGE_PER_POLLING=
 # Etherscan
 ETHERSCAN_API_KEY=
 OPTIMISMSCAN_API_KEY=
+ARBISCAN_API_KEY=
 
diff --git a/README.md b/README.md
index 7982ee1..549b47a 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,10 @@ Make sure disbursers have enough liquidity in form of the native asset (such as
 - LightBridge deployed to: `0x3f7Da9C51138E0475aA26E80677d27A568cFD6b9`
 - Proxy__LightBridge deployed to: `0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801`
 
+### Arbitrum Mainnet
+- LightBridge deployed to: `0x3f7Da9C51138E0475aA26E80677d27A568cFD6b9`
+- Proxy__LightBridge deployed to: `0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801`
+
 
 ## Testnet deployments
 
diff --git a/hardhat.config.ts b/hardhat.config.ts
index c5c35ff..e75ea76 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -72,7 +72,7 @@ const config: HardhatUserConfig & {etherscan: {apiKey: any, customChains: any}}
   etherscan: {
     apiKey: {
       sepolia: process.env.ETHERSCAN_API_KEY,
-      arbitrumOne: "",
+      arbitrumOne: process.env.ARBISCAN_API_KEY,
       bsc: "",
       mainnet: process.env.ETHERSCAN_API_KEY,
       optimisticEthereum: process.env.OPTIMISMSCAN_API_KEY,
diff --git a/lightbridge_deploy_logs/lightbridge-0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801-42161.txt b/lightbridge_deploy_logs/lightbridge-0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801-42161.txt
new file mode 100644
index 0000000..52c21e9
--- /dev/null
+++ b/lightbridge_deploy_logs/lightbridge-0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801-42161.txt
@@ -0,0 +1,6 @@
+LightBridge deployed to: 0x3f7Da9C51138E0475aA26E80677d27A568cFD6b9
+Proxy__LightBridge deployed to: 0x2dE73Bd1660Fbf4D521a52Ec2a91CCc106113801
+Initialized proxy: [object Object]
+LightBridge initialized: [object Object]
+Added route for 288 chain, and token: 0x0000000000000000000000000000000000000000, receipt: [object Object]
+Network iteration done