One particular research by Lloyds showed that credit cards that were used in buying Bitcoin had higher than average rates of payment defaults. This guide will show you step-by-step how to use Coinmama. Howdy, Welcome to the popular cryptocurrency blog CoinSutra. If you don’t want to fall victim to these hacks then the easiest way is to store your coins in a wallet you control. We may receive compensation when you use CEX. Enter your Bitcoin Wallet Address The bitcoins will be sent here once your payment has been completed.