Coinbase Pro has no withdrawal fees and pays the Bitcoin, ether and litecoin transaction fees for you. You can do this by scanning the QR code or by manually entering the authenticator code. Coinbase recently launched this feature. Because the codes change so often, someone attempting to breach your account would need to have access to your phone in order to access your funds. If you get a new phone, or it is lost or stolen, you will need this code to receive 2FA codes. Every visitor to Buy Bitcoin Worldwide should consult a professional financial advisor before engaging in such practices. Alternatively, you can use the Circle Pay app to scan a QR code to send funds, and that will fill in the address information for you!