Ledger Academy

What's a Private Key?

Understanding private keys and cryptographic security

Understanding Private Keys

A private key is a cryptographic secret that proves ownership of your accounts. With Ledger, your private keys never leave the device.

What Is a Private Key?

A private key is a long string of characters used in public-key cryptography. It allows you to sign transactions and prove ownership of accounts.

How Ledger Protects Your Keys

Ledger devices use a Secure Element chip to store private keys. They never leave the device, even during transactions.

Recovery Phrase

Your 24-word recovery phrase is a human-readable backup of your private keys. Store it securely offline.

Why Hardware Security Matters

Software-only solutions expose your keys to malware. Hardware isolation keeps keys safe even on compromised computers.

Related Articles