diff --git a/.env.example b/.env.example
index f68928e..c9cee54 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,5 @@
-PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1
+PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1  # Replace with your private key
 # SCROLL_TESTNET_URL=https://prealpha-rpc.scroll.io/l2 - Uncomment this line to use the pre-alpha instead of alpha
-SCROLL_TESTNET_URL=https://alpha-rpc.scroll.io/l2
+# SCROLL_TESTNET_URL=https://alpha-rpc.scroll.io/l2 - Uncomment this line to use the alpha instead of Sepolia
+SCROLL_TESTNET_URL=https://sepolia-rpc.scroll.io/ 
+SCROLL_MAINNET_URL=https://rpc.scroll.io/
diff --git a/README.md b/README.md
index 549ed64..5fdeb0c 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ This project demonstrates how to use hardhat or foundry to deploy a contract in
 2. Run `yarn install` to install dependencies.
 3. Create a `.env` file following the example `.env.example` in the root directory. Change `PRIVATE_KEY` to your own account private key in the `.env`.
 4. Run `yarn compile` to compile the contract.
-5. Run `yarn deploy:scrollTestnet` to deploy the contract on the Scroll Alpha Testnet.
+5. Run `yarn deploy:scrollTestnet` to deploy the contract on the Scroll Sepolia Testnet.
 6. Run `yarn test` for hardhat tests.
 
 
@@ -31,7 +31,7 @@ This project demonstrates how to use hardhat or foundry to deploy a contract in
     ```
 3. Deploy the contract.
     ```
-    forge create --rpc-url https://alpha-rpc.scroll.io/l2 \
+    forge create --rpc-url https://sepolia-rpc.scroll.io \
       --value <lock_amount> \
       --constructor-args <unlock_time> \
       --private-key <your_private_key> \
@@ -43,7 +43,7 @@ This project demonstrates how to use hardhat or foundry to deploy a contract in
   
   For example:
   ```
-  forge create --rpc-url https://alpha-rpc.scroll.io/l2 \
+  forge create --rpc-url https://sepolia-rpc.scroll.io \
     --value 0.00000000002ether \
     --constructor-args 1696118400 \
     --private-key 0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1 \
diff --git a/hardhat.config.ts b/hardhat.config.ts
index c0d88a4..e8336f7 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -22,6 +22,12 @@ const config: HardhatUserConfig = {
       accounts:
         process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
     },
+    scrollMainnet: {
+      url: process.env.SCROLL_MAINNET_URL || "",
+      chainId: 534352,
+      accounts:
+        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+    },
   },
 };
 
diff --git a/scripts/deploy.ts b/scripts/deploy.ts
index ba3e4e7..b57b004 100644
--- a/scripts/deploy.ts
+++ b/scripts/deploy.ts
@@ -14,7 +14,9 @@ async function main() {
 
   console.log(`Lock with 0.00000001 ETH and unlock timestamp ${unlockTime} deployed to ${lock.address}`);
   // console.log(`Block explorer URL: https://l2scan.scroll.io/address/${lock.address}`); Uncomment here to use the pre-alpha
-  console.log(`Block explorer URL: https://blockscout.scroll.io/address/${lock.address}`);
+  // console.log(`Block explorer URL: https://blockscout.scroll.io/address/${lock.address}`); Uncomment here to use the alpha
+  console.log(`Block explorer URL: https://sepolia.scrollscan.com/address/${lock.address}`); // Sepolia block explorer
+  // console.log(`Block explorer URL: https://scrollscan.com//address/${lock.address}`); // Mainnet block explorer
 }
 
 // We recommend this pattern to be able to use async/await everywhere