You sell something for bitcoins, and you give them your private key address in your wallet.
You receive bitcoins.
You buy something with bitcoins else where, and you just hit send and specify an address.
Simple as an account # + routing number.
Now funding your wallet with fiat currency is a little harder, but Coinbase has mostly taken care of that. It's as hard as paying a credit card off - link your current bank account, press buy or sell.
Your current banking transactions aren't anonymous either. It's a nice additional security layer for people that want it, but by no means is it required.
You install the bitcoin wallet.
You sell something for bitcoins, and you give them your private key address in your wallet.
You receive bitcoins.
You buy something with bitcoins else where, and you just hit send and specify an address.
Simple as an account # + routing number.
Now funding your wallet with fiat currency is a little harder, but Coinbase has mostly taken care of that. It's as hard as paying a credit card off - link your current bank account, press buy or sell.