The new Coinbase Card it is directly tied to the a person’s cryptocurrency balance in digital wallets managed by the eponymous digital currency exchange. We may receive compensation when you use Coinmama. Payment processors like Visa, Mastercard and American Express charge at least 2. 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. Please visit Luno for its exact pricing terms. In this case, there is no reversal of transactions. Cryptocurrency exchange Coinbase has launched a Visa debit card allowing customers in the U.