Glossary · Ethereum

Custodial wallet

A custodial wallet is a cryptocurrency wallet where a third party, such as an exchange or service provider, holds and manages the user's private keys.

What it is

In a custodial wallet, the user does not directly control the private keys associated with their cryptocurrencies. Instead, a service provider, typically a centralized exchange or a dedicated wallet service, maintains custody of these keys. This arrangement means the user trusts the custodian to secure their assets, manage transactions, and provide access. The user usually interacts with their funds through a password-protected account on the custodian's platform, much like a traditional bank account.

Custodial wallets are common for users new to crypto or those prioritizing convenience over self-sovereignty. News often covers security breaches at custodial services, highlighting the risks of not holding private keys. Regulatory discussions frequently focus on how custodians must comply with anti-money laundering (AML) and know-your-customer (KYC) rules. Understanding custodial wallets helps retail investors assess the trade-offs between ease of use and direct control over their digital assets.

Why it matters

Your funds are only as secure as the custodian holding them. Knowing this helps you assess risk and choose appropriate storage for your crypto assets.

Reviewed under editorial standardsUpdated September 26, 2026Not investment advice