Coin is making waves on the Web by promising to slim down consumers’ fat wallets by replacing their credit and debit cards with a single card that can be used for purchases. The San Francisco startup ...

In an era when consumers’ wallets are filled with credit cards, rewards cards, gift cards and other cards, Coin aims to be the universal payment option of choice. But can it stand out in a growing ...

Although things like NFC-enabled smartphones are making this less of an issue, the fact is that most of us still carry around a wallet full of credit, debit, loyalty or other cards that we routinely ...