What is TAPSIGNER?
It's a wireless NFC smart-card that holds your Bitcoin private key (XPRV) and will sign transactions with a simple tap on your phone.
- Verifiable entropy, meaning you know 100% that no one but the TAPSIGNER itself has the private key that controls the Bitcoin.
- Can be easily—and securely—backed-up into a file.
- Want more details? Read our F.A.Q here.