TREZOR One is a wallet for bitcoin and other cryptocurrencies that offers a high level of security. This wallet is open source and is built in a deterministic way. TREZOR is capable of signing transactions while connected to an online device. This means that spending bitcoins is safe, even using an infected computer.
The hardware wallet offers the latest crypto algorithms and enables long-term, safe, and professional storage of various crypto currencies, such as B. Bitcoin, Dash, Litecoin Zcash, and Ether (via MyEtherWallet).