Trezor Hardware Wallet (Official) | Bitcoin & Crypto Security

Trezor wallets are protected against unauthorized access by a user-defined PIN up to 50 digits long. For the ultimate in access security, add a passphrase to your Trezor. A passphrase is a user-generated set of letters, words, phrases, and spaces required each time you unlock your Trezor hardware wallet.Trezor works with trusted resellers worldwide to sell our hardware wallets, device accessories, and seed plates.