How to bridge in BRC20/BRC420/Ordinals NFT from Bitcoin Mainnet to Merlin Chain?

• Visit the official bridge https://merlinchain.io/bridge and connect your BTC wallet
• Your AA wallet (which is derived from your BTC wallet) will show up at the bottom right corner of the page (Purple round button)
• Select the BRC20/BRC420/Ordinals NFT you want to bridge and confirm (Please note that, according to BRC20 standard, you must inscribe the transfer inscription first for the BRC20 asset to appear in the asset list)
• Click ""Bridge"" and adjust the fee rate as needed
• Click ""Confirm"", your BTC wallet will prompt you to sign the transaction. Carefully review the transaction details
• After confirming the transaction details are correct, sign the transaction
• It takes at least 4 block confirmations on Bitcoin Mainnet to complete the bridge-in transaction
• You can access your asset via the AA wallet after the bridge-in transaction completed

How to bridge out BRC20/BRC420/Ordinals NFT from Merlin Chain to Bitcoin Mainnet

• Visit the official bridge https://merlinchain.io/bridge and connect your BTC wallet (which have the BRC20/BRC420/Ordinals NFT in the corresponding AA wallet)
• Your AA wallet (which is derived from your BTC wallet) will show up at the bottom right corner of the page (Purple round button)
• Select the BRC20/BRC420/Ordinals NFT you want to bridge
• Click ""Bridge"" and choose which asset you want to pay as gas (Bitcoin or MERL, MERL as gas only supported when using AA wallet)
• Click ""Confirm"" and sign the transaction
• It may take up to 72 hours to complete the BRC20 bridge-out transaction (For BRC420 and Ordinals NFT, it may take up to 7 days)
• The asset will be arrived in your BTC wallet after the bridge-out transaction completed