Bitpanda is a Bitcoin broker located in Austria. 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 purchases are still supported and one of the most popular methods for Coinbase users in the United States. The banks expressed their dissatisfaction with Bitcoin by banning the use of credit cards in buying the BTC and other digital assets. Luno Popular. I’ve been buying bitcoins for more than three years.