Keystone 3 Pro

Crypto wallet with three PCI security chips for offline management of Bitcoin and other cryptocurrencies. PCI-compliant protection (Payment Card Industry) that immediately deletes data upon physical tampering. The fingerprint recognition allows for unlocking the Keystone and signing transactions. Air-Gapped Cold Wallet: In Air-Gapped mode, USB and Bluetooth functions are disabled, and QR codes are used for data transfer. Open-source code: The entire code of the Keystone, both hardware and software, is fully open-source. Advanced features: Passphrase, dice entropy, ENS support, Shamir backup, and multisig setup provide additional security and flexibility.