7. Coin

Another crowdfunded device in 2013 was Coin, a smartcard that helps users slim their wallets by being used as a substitute for their credit and debit cards. The way the device works is users load their cards onto Coin using an app and a card reader that they attach to their smartphone. Once the device is set up, users can press a button on the Coin smartcard to toggle between the multiple cards they have loaded on the device. By pressing the button, users can easily switch from their business credit card to their debit card or their personal credit card, adjusting Coin for various scenarios. Coin is available for pre-order now starting at $55 and will begin shipping this summer.
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