No official phone numbers are published by TapSigner. All communications are through email and social channels.
TapSigner is a Bitcoin smart card wallet developed by Coinkite, headquartered in Toronto, Canada (CA). Unlike traditional hardware wallets, TapSigner is a credit card–sized NFC device that securely stores private keys and enables transaction signing via tap-to-sign functionality with mobile wallets. Designed for convenience, portability, and low cost, it is particularly well-suited for users who want enhanced security without carrying bulky devices.
NFC Tap-to-Sign: Works by tapping the card to a smartphone (no cables needed).
Compact & Portable: Credit-card-sized, fits in any wallet for easy carrying.
Secure Element: Stores private keys inside tamper-resistant hardware.
PSBT Support: Compatible with Partially Signed Bitcoin Transactions.
Mobile Wallet Integration: Works seamlessly with apps like Nunchuk.
Low-Cost Cold Storage: Affordable option for everyday Bitcoin users.
Bitcoin-Only: Focused exclusively on BTC security.
Backup Options: Designed to pair with secure seed backup tools like Coldcard + Billfodl.