A startup called Coin claims to have the answer for Costanza Wallet, with a single device that consolidates all your cards. Coin looks like a standard credit card, with a magnetic strip that can be ...

The Coin (promising to let you combine all your credit/debit/loyalty cards into a single piece of tech) has delayed for so long that you might have forgotten that you ordered one. In November of 2013, ...

But when news of the project broke recently, it appeared Coin had a severe catch: While its own battery lasted a whopping two years, the hardware required a smartphone, connected via Bluetooth, to ...

After monumental delays, the Coin "smart" credit card finally started shipping out to customers in April, offering users the flexibility of carrying up to eight swipeable credit, debit a rewards cards ...