The Ledger Nano S is a hardware wallet designed to securely store private keys for cryptocurrencies, supporting over 1,600 assets but managing up to five concurrently. It uses a ST31H320 secure chip with CC EAL5+ certification, providing tamper-resistant protection. The device connects via USB, compatible with Windows, macOS, and Linux, and features an OLED screen and two-button navigation. It employs a 24-word seed phrase for backup and includes a plausible deniability feature with hidden accounts. The secure chip isolates private keys, protected by a PIN, ensuring security against malware and unauthorized access.
