# Tech Workflow

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From Bitcoin to Mapo L2

1. Users will initiate a new ***BRC201 inscription***. They will need to input parameters including the ***destination chain, destination address, token ticker, token amount*** and ***fee rate***.
2. After a new BRC201 gets inscribed, it needs to be transferred to our ***ROUP Vault Address*** in order to be rolled up
3. After the confirmation of the transfer, the ***Token Asset Contract*** on the MAPO L2 will mint the corresponding amount of tokens to user specified address

From Mapo L2 to Bitcoin

4. Users will initiate the cross-chain transaction by specifying ***destination chain, destination address, token ticker and token amount***.
5. The ***Token Asset Contract*** will burn users token at the MAPO L2
6. The cross-chain transaction will gets verfied
7. A new BRC201 will be inscribed and transferred to user specified bitcoin address