Overview
A custodial wallet is one where a third party holds and controls the private keys on behalf of the user. The user relies on the custodian's security. Exchanges commonly offer custodial wallets.
How It Works
The custodian stores and protects the keys and lets users transact through its interface. Users trade convenience and recovery for control and counterparty risk. If the custodian fails or is hacked, funds can be lost.
Why It Matters
Custodial wallets make crypto easier for beginners and are standard on exchanges. They carry counterparty and regulatory risk. Understanding the difference from self-custody is fundamental to crypto security.
Related Concepts
Custodial Wallets contrast with Non-Custodial Wallets and relate to Exchanges and Institutional Custody. They involve Counterparty Risk.