BTCB is actually converted into coin safety smart chain format through coin safety bridge when coin safety exchange withdraws BTC. First of all, we need a decentralized wallet that supports BTCB smart chain. If you do not have Binance smart chain wallet, Can create a wallet download address in TokenPocket for free. When creating, select the bottom layer of Binance smart chain, set the password, then save,and fill in the mnemonic words in order.