How to bridge in Runes From Bitcoin Mainnet to Merlin Chain?

• Visit UniCross bridge https://unicross.xyz/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 Runes you want to bridge and confirm
• 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 is completed

How to bridge out Runes/BRC20 in EVM wallet from Merlin Chain to Bitcoin Mainnet?

• Visit the UniCross bridge https://unicross.xyz/bridge and connect your EVM wallet
• Select the Runes/BRC20 you want to bridge
• Update the amount as needed
• Input your BTC address (Double-check it's correct)
• Click "Bridge Out" and review the bridge-out details carefully
• Click "Confirm"
• Approve the spending if you haven't done it before and sign the bridge-out transaction
• It may take up to 72 hours to complete the Runes/BRC20 bridge-out transaction