What is Trezor?
Trezor is a mobile hardware wallet, offering two versions, the Model T (advanced version) and Model One. Their hardware wallets use open-source designs so the security level can be publicly audited and improved. The hardware wallets use a user-defined PIN up to 50 digits long. The wallet can be connected to the internet through the Trezor Suite app or popular third-party wallets like MetaMask.