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Glossary

Cold wallet

Also called: cold storage

A wallet whose keys have never touched an internet-connected device. Signing happens offline; only the finished signature travels.

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See also

Hot walletA wallet whose keys sit on an internet-connected device — a phone or browser extension. Convenient for spending, and exposed to whatever else that device is exposed to. Hardware walletA 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.

Last checked 19 Oct 2026.