Glossary
Hardware wallet
A dedicated device that keeps private keys inside it and signs transactions internally, so the keys never reach the computer or phone it is plugged into.
See also
Cold walletA wallet whose keys have never touched an internet-connected device. Signing happens offline; only the finished signature travels.
Seed phraseTwelve or twenty-four ordinary words that regenerate every private key in a wallet. It is the wallet, not a password for it: whoever types those words into any compatible wallet has the funds.
Last checked 19 Oct 2026.