Wallets, Keys & Custody

Private Key

Also: Private Keys

The secret that proves ownership of crypto and authorizes spending. Whoever holds it controls the funds, and a lost key is generally unrecoverable. Never share it or type it into a website.

General education, not investment, legal or tax advice. Markets and regulation change quickly: where a definition depends on current law or on a recent event, check the latest coverage before relying on it.