The minting sequence in BTC Proxy is given below:
The user connects the ETH wallet to the web3.js interface at btcpx.io.
The user confirms the BTC wallet address.
The user is displayed with which custodian wallet address they are to send BTC to.
The user initiates the transfer of BTC to the custodian.
The Proxy Relay validates the confirmation of Bitcoin to the smart contract.
BTCpx is minted.
The user claims BTCpx into their ETH wallet.