All Your Cards In One COIN - Is This Safe?
![All Cards in One Coin](../../wp-content/uploads/2014/01/coin-card-150x150.jpg)
“Coin” is a device in the size of a credit card. It’s electronic. And it digitally stores up to 8 cards and lets you choose between them. By pressing a circular button on its surface, you can select which one to pay with. Coin, a start-up established in San Francisco, launched a crowdfunding promotion in […]