Ledger Nano S

It has a small screen for payment verification and can be connected to any computer via USB. If you have crypto currencies, you need to protect your confidential data and access to your funds. With Ledger Nano S, secrets such as private keys are never uncovered: Sensitive processes are isolated in your hardware pocket in a state-of-the-art secure element and locked with a PIN code. Transactions cannot be manipulated, they are verified on the embedded screen with a simple push of a button.
Ledger Nano S contains Bitcoin, Litecoin, Ethereum and Ethereum Classic Companion Apps and other blockchain-based crypto currencies. You can send and receive payments, check your accounts and manage multiple addresses for each currency from the same device. Nano S also supports the FIDO Universal Second Factor Standard, which simplifies the authentication process for compatible online services such as GMail, Dashlane, Dropbox or GitHub.