Hardware Wallet
Quick Answer
A hardware wallet is a physical device that stores cryptocurrency private keys offline, providing maximum security. Leading examples include Ledger and Trezor.
Full Definition
A hardware wallet is a physical device designed to securely store cryptocurrency private keys offline. It signs transactions internally without exposing private keys to internet-connected devices, protecting against malware and remote hacking. Leading hardware wallets include Ledger and Trezor. Hardware wallets are used by merchants and institutional holders for secure long-term storage of digital assets.
Related Terms
Hash
A hash is a fixed-length string from a cryptographic function used as a unique transaction identifier. Transaction hashes are used to track and verify payments on block explorers.
Hot Wallet
A hot wallet is an internet-connected cryptocurrency wallet for frequent transactions. Payment processors use hot wallets for operational liquidity needed for daily settlements.
HTLC (Hash Time-Locked Contract)
An HTLC is a smart contract requiring payment acknowledgement within a set time window, enabling trustless cross-chain swaps and payment channels like Lightning Network.