CoinKite
Tapsigner
Tapsigner
Honey Badger
Shop location
Rua das Virtudes 45
Funchal
9000-645 Madeira
Portugal
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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.