SentinelX NFC

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Our newest device.

The SentinelX NFC

The newest addition to the SentinelX family, the SentinelX NFC is a card that uses Near-field Communication technology and helps us verify your location is authentic.

Earn 12x rewards on a Basic COIN Plan, and a 10% boost on any COIN Premium Plan! The SentinelX NFC requires no battery, and simply needs to be scanned by your phone for a temporary rewards boost.

The SentinelX NFC is a convenient credit card shape, so you can keep it close by in a wallet or laptop case.

SentinelX Sharing

Register a SentinelX NFC to your COIN Account, and give it to a friend. When they Geomine with the NFC boost, you'll get 10% of their rewards! You can even combo with Referral Rewards to earn a maximum of 20% from their account.

NFC Compatibility

Note: Requires NFC Compatibility. Not compatible with iPhone 5, 6, 6+ or SE (2016), and some older Android devices. Please check compatibility here: 


  • Near-Field Communication Technology
  • Waterproof
  • Additional Rewards on Every COIN Plan
  • XYO Foundation Approved Product
  • Assign a Referral Link to the device for easy referrals
  • SentinelX Sharing on any COIN Account level (including basic!)


  • 5
    Best NFC Card

    Posted by Jeffrey Bower on Sep 11th 2020

    I Have received my FREE NFC card on August 17, 2020 and ever since i started the Coin app on August 3, 2020 from Basic to Pro, I am now over 20,000 coins and still going while using auto collect with the app open while walking the dogs or sitting around the house!! I LOVE IT!! it is worth getting and there is unlimited scans and you can scan either side but you need to keep the card with you in range of the phone to recieve the extra 12x more coins!!!