Bridge Out

• Network Compatibility: BenFen, BTC, ETH, BSC, SOL, TRON, Polygon, Optimism, Arbitrum, Avalanche, Base
• Token Support: BUSD, BTC, ETH, USDT, USDC, BNB

Note: The following guide primarily demonstrates the web-based bridge-out process. The process on the App is basically the same; you just need to enter the cross-chain bridge address in the DApp browser of your third-party wallet.

1. Open the official BenFen Bridge address in your browser: https://www.benpay.com/bridge
2. On the bridge page, click "Transfer Out," and select the token you need to bridge out, as well as the destination chain and the corresponding token.

1. First, click [Connect Benfen Mainnet Wallet] and log in to your BenPay wallet using one of the three available methods:
   1. ZK-Login (Recommended — Create & log in with your Google or Apple ID)
   2. OB-Wallet (MPC Wallet)
   3. Mnemonic Phrase
2. Then, click [Connect (Destination Chain) Wallet].
   1. Note: For web-based operations, you must first install the wallet extension for the corresponding destination chain in your browser.

• Wallet Support Details:
  • EVM Chains: Supports mainstream wallet extensions like MetaMask.
  • BTC Chain: Supports OB/OKX wallet extensions.
  • BenFen Chain: Supports the three BenPay login methods mentioned above.

1. After successfully connecting both wallets, enter the amount you wish to bridge out.
2. Click [Confirm Trade] and follow the steps in your wallet extension to confirm the transaction.

• Fee Explanation:
  • Cross-chain Service Fee: This is a variable fee charged by the bridge service, with the following rules:
    • 0.05%: For bridging BUSD from BenFen to ETH, Base, Optimism, Polygon, Arbitrum, AVAX-C, Solana, BSC.
    • 5 USDT: A fixed fee for bridging BUSD from BenFen to Tron.
    • BTC Mainnet Gas Fee: For bridging BTC from BenFen, the service fee is the actual network gas fee of the BTC mainnet at that time.
  • Network Gas Fee: This is the gas fee required to initiate the out-flow transaction on the BenFen chain.
    • Payment Rule: The system will prioritize using BFC from your wallet to pay the gas fee. If your BFC balance is insufficient, it will automatically use BUSD instead.