I’ve never lost any money to scams or thefts. Bitcoin is a protocol of a distributed network. Many exchanges are simply trying to steal your credit card information! We really recommend storing any bitcoins you want to keep safe in a wallet you own. Accessing Bitcoin address is crucial to Bitcoin transactions such as sending the BTC on peer-to-peer transactions in e-commerce, or even exchanging the BTC for other cryptocurrencies or fiat money. It was, therefore, necessary to curb money laundering that was happening through the use of cryptocurrencies and credit cards.