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What is Self-Custody?
Self-custody means holding your own private keys instead of trusting an exchange. "Not your keys, not your crypto" is the golden rule — self-custody gives you full control.
Full Explanation
Self-custody (also called self-sovereign storage) means you personally hold and control your cryptocurrency's private keys, rather than trusting a third party (exchange). Self-custody options include hardware wallets (Ledger, Trezor), software wallets (MetaMask, Phantom), and paper wallets. Benefits: no counterparty risk, no exchange hacks affecting you, true ownership. Drawbacks: you're responsible for security — lose your seed phrase and funds are gone forever. Recommended for long-term holdings; keep active trading amounts on exchanges.
Example
When FTX collapsed in 2022, users who kept crypto on the exchange lost billions. Those who self-custodied in hardware wallets were unaffected.
Related Terms
Last updated: 2026-03-21
