Media Summary: Unlock the full potential of your Bitcoin security with this Coldcard Q The Coldcard MK4 is a Bitcoin hardware wallet (aka signing device) that allows users to secure and interact with their BTC. Learn how to use the TAPSIGNER Bitcoin Wallet which stores your private keys securely in cold storage and utilizes
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Unlock the full potential of your Bitcoin security with this Coldcard Q The Coldcard MK4 is a Bitcoin hardware wallet (aka signing device) that allows users to secure and interact with their BTC. Learn how to use the TAPSIGNER Bitcoin Wallet which stores your private keys securely in cold storage and utilizes How to Use NFC on any iPhone (10 years or newer)
![Tapsigner [NFC] Bitcoin Wallet Tutorial](https://i.ytimg.com/vi/sP2sTyHqXQU/mqdefault.jpg)
