trezor io start Start using your new Trezor device with Trezor Suite App. Buy, trade & send coins in the safest crypto ecosystem.Get started with the Model One. How to set up your Trezor Model One in Trezor Suite ; Authenticate Model One. Overview of the Trezor Model One packaging, its It ledger wallet stores your private keys in a secure, offline environment giving you peace of mind and complete control over your assets. All Ledger crypto wallets are Ledger is a company that makes physical cryptocurrency wallets that look similar to USB drives or other storage devices.