Ledger Nano S is a Bitcoin, Ethereum, Ripple and Altcoins hardware wallet, based on robust safety features for storing cryptographic assets and securing digital payments. It connects to any computer (USB cable included) and embeds a secure OLED display to double-check and confirm each transaction with a single tap on its side buttons. Main features: Cryptographic secrets protected by a secure chip - Bitcoin, Ethereum, Litecoin, Ripple, Dash, Zcash support - Confirmation of transactions on the embedded screen - Built-in 4 digit PIN security lock - Built-in onboarding (seed generation and recovery) - BIP39 seed (12/18/24 words), easy backup and restoration - Multi-apps support: FIDO U2F, GPG, SSH... - USB connectivity - Foldable and compact casing - Passphrase support for plausible deniability or seed backup protection (compatible with BIP39) - Alternative duress PIN - Shuffle PIN option - Token & basic contract support (data field) for Ethereum - MyEtherWallet integration on Chrome and Opera without third party extensions - Support for GreenAddress & Greenbits - Ledger Manager: application & firmware update