Check and confirm transactions on the display and confirm with using the physical buttons (anti-malware second factor) Your confidential data is never exposed: it is secured inside a strongly isolated environment locked by a PIN code Use companion apps such as cryptocurrencies wallets, and also FIDO U2F, GPG, SSH or build your own applications Ledger Nano S supports the FIDO Universal Second Factor authentication standard on Google, Dropbox, GitHub or Dashlane Your accounts are backed up on a recovery sheet. Easy restoration on any Ledger device or compatible wallets (BIP39/BIP44)