Yes, of course. The US banks essentially felt as people were getting a cash advance since crypto is usable instantly and is basically like cash. However, a prerequisite for buying BTC is that you have to have a wallet from which you can directly deposit the BTC after the cash purchase. Just like any information you give up online, there is always the risk that it can be hacked or stolen from the website you give it to. Want to buy using Coinmama? Enter your Bitcoin Wallet Address The bitcoins will be sent here once your payment has been completed. Even Yahoo was hacked and information on million accounts was stolen.