In this regard, the option for online money in Bitcoin transaction is possible through various platforms. One thing that Bitcoin exchanges have going for them is that because they are constantly under attack, they have some of the best security and protections in place to protect against the hacking of your personal info. Debit Card Transactions The protocol for debit card transactions in Bitcoin purchases is almost similar to credit card transactions. We don’t want to overwhelm people, so we’ve hand selected what we believe to be the best exchanges available. Click next when you are finished!