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Sub Accounts

Sub Accounts are hierarchical, app-specific accounts that extend from a user's primary Smart Wallet. Each Sub Account operates as a distinct account that can:

  • Execute transactions and sign messages
  • Maintain separate asset management
  • Be fully controlled by both the universal Smart Wallet and authorized application logic

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Technical Details

  • Smart Wallet Ownership: The user's Smart Wallet acts as an owner of the Sub Account, allowing it to manage assets on the Sub Account and make calls from it.
  • App-Signer Agnostic: Sub Accounts are designed to be agnostic to whatever signing software an app wants to use: whether in-browser CryptoKey or server signers from teams like Privy or Turnkey.
  • When an app requests a Sub Account creation and the user approves, all future signing and transaction requests will use the Sub Account.

Refer to the Sub Account Reference for more details on how to create and manage Sub Accounts.

Sub Account scope

Sub Accounts are currently scoped to an application's fully qualified domain name (FQDN). This means that a user has one sub account for your application, and it cannot be used on other applications on separate domains.