Apps

You will need a companion app to use your TAPSIGNER™.

Nunchuk

Android iOS Desktop

Sparrow

Desktop

Your app could be here

Learn more

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.

Features

• 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.