SatoshiLabs was the first instrumental pioneer to introducing hardware wallet to the world! These are better know today as Cold Storage Devices. The TREZOR.it main purpose is to hold the private keys for cryptocurrencies, thus keeping them safe offline from hackers.
Secure Storage offline
By isolating the workspace with private keys, confidential data is never transmitted to any computer, thus minimizing the possible leakage of private keys. Without any exception, all operations with private keys are done exclusively inside the TREZOR, not on your desktop device..
Currencies Supported by TREZOR
Bitcoin, Bitcoin Cash Litecoin, Ethereum, Ethereum Classic, DASH, Zcash & NEM