Fiamma Bridge

Introduction

• This guide shows how to complete deposit and withdrawal on the Fiamma Bridge.

Prerequisite

• You'll need wallets that support Bitcoin, EVM or Aptos network.

• You should have native BTC or FIABTC in the wallet.

Deposit

Transfer BTC from Bitcoin to another chain.

1. Connect your Bitcoin wallet and the destination chain wallet.

1. Enter the recipient's address in the designated field.

If you have connected to a destination chain wallet, an autofill option will appear below the text field.

1. Enter deposit amount from 0.0002 to 3 BTC .

1. Check the Deposit Summary pop up. Once confirmed, hit deposit to submit this transaction.

1. Sign deposit transaction in your BTC wallet. You will also sign pre-sign take transactions simultaneously, which will be used to pay back to Operator when they finish withdraw operation.

1. Your deposit has been submitted. You can then see the deposit progress in the progress page.

1. Check all your transaction history by clicking the history button.

1. Once the deposit is complete, check your bridged FIABTC on destination chain wallet.

   1. Import FIABTC token for each destination chain. Enter the token contract address for each chain in your wallet:

      1. Ethereum: 0x22F0E0a4c97ff43546dad16d43Ef854C773F0e08

      2. Aptos: 0x75de592a7e62e6224d13763c392190fda8635ebb79c798a5e9dd0840102f3f93

      3. Sei, Core, Arbitrum, BASE, Polygon, Unichain, Plume: 0x60C230c38aF6d86b0277a98a1CAeAA345a7B061F

      4. BSC: 0xafB253A80CEb3d1a5eeF3994C0d1C92c2f027524

      5. HyperEVM: 0x0CEDa114F533D540c8aF2AeB52942c1a4A0B1e86

      
   2. FIABTC will appear in your wallet.

Withdraw

1. Connect EVM-compatible wallets (e.g., Metamask) or Aptos wallets (E.g., OKX Wallet).

1. Fill out the recipient address on Bitcoin.

If you have connected to a BTC wallet, an autofill option will appear below the text field.

1. Enter withdraw amount from 0.0002 to 3 BTC .

1. Check the Withdraw Summary pop up. Once confirmed, hit withdraw to submit this transaction.

1. Sign Burn Transaction in your EVM wallet.

1. You can also check the withdraw status under bridge history.

• Click on one of the transactions to see details.