One you enter your card information press «Bezahlen»: That’s it! Chapter 5 Exchange Comparison. Bitcoin Blockchain is decentralized and the interactions are managed on the peer-to-peer level or individual basis in regards to mining. After this you can start purchasing Bitcoins anytime instantly using your added debit or credit card. The original concept was to create a substitute of the conventional currency that at the time, seemed to be elusive in the crippling Financial Crisis. Then click «Payment Methods» on the menu at the top and you should see something that looks like this:. If the limits aren’t high enough for me, can I buy bitcoins on multiple exchanges?