Base Bridge UI

Bridge ETH from Sepolia to Base Sepolia using the native OP Stack bridge.

Setup

npm install
cp .env.example .env.local

Add your WalletConnect Project ID to .env.local:

NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID=your_project_id_here

Get a free project ID at cloud.walletconnect.com.

Run

npm run dev

Open localhost:3000.

Usage

1. Connect your wallet
2. Make sure you're on Sepolia testnet
3. Enter amount and bridge to Base Sepolia
4. Funds arrive in ~15-20 minutes

Get testnet ETH: sepoliafaucet.com

Notes

• Testnet only (Sepolia → Base Sepolia)
• Bridge contract: 0xfd0Bf71F60660E2f608ed56e1659C450eB113120
• Transactions are irreversible