Overview
A hardware wallet is a physical device that stores private keys offline, providing strong protection against remote theft. It signs transactions without exposing keys to the connected device. Ledger and Trezor are leading examples.
How It Works
The device keeps keys in a secure element and requires physical confirmation for transactions. It connects to a computer or phone but never reveals the keys. The seed phrase backs up and restores the wallet.
Why It Matters
Hardware wallets are the recommended standard for self-custody, protecting against malware and phishing. They balance security with usability. They are essential for large or long-term holdings.
Related Concepts
Hardware Wallets are a form of Cold Storage, relating to Private Keys and Seed Phrases. They contrast with Hot Wallets.