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What is crypto custody? Who really holds your coins

By SendPay Business · · 2 min read

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Crypto custody is about who holds the private keys that control a crypto balance. Whoever holds the keys can move the coins, so custody decides who you are trusting to keep them safe.

Custodial vs self-custody

With a custodial service, such as most exchanges and many apps, the provider holds the keys and you log in to an account. With self-custody, you hold the keys yourself, usually through a wallet protected by a seed phrase.

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The trade-offs

Custodial services are easier to use and can help if you forget a password, but you rely on the provider staying secure and solvent. Self-custody removes that reliance, but if you lose your seed phrase or it is stolen, there is usually no way to get the coins back.

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Where SendPay fits

SendPay platforms let your customers buy, sell and hold crypto inside your own branded app, with assets held with regulated partners and a trading fee you set. SendPay tells you in writing which licences apply to your platform before you launch.

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How it works

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Questions people ask

Would a multisig set-up be safer?

See how many keys you can lose and how many a thief needs.

Multisig wallet calculator →
Hot vs cold wallets

How crypto is stored.

Hot vs cold wallets →
What is a seed phrase?

The backup for a crypto wallet.

Seed phrases →
What is proof of reserves?

Showing customer assets are held.

Proof of reserves →

Read next

Spotted a mistake or something out of date? and we'll fix it. How our guides are made

This guide is general information, not legal or financial advice. SendPay Business is a technology company, not a bank, and does not take deposits; regulated services on the platforms are provided by licensed partners. Other companies named in this guide are reference points only and are not affiliated with SendPay Business.