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For Fireblocks’ recommended embedded wallet solution, see Dynamic Embedded Wallets. The documentation below covers the legacy Embedded Wallet APIs and SDKs.
Fireblocks end user wallets (EUWs) are hierarchical deterministic (HD) wallets. With our REST API, customers can easily create new wallets for their end users and add multiple accounts under them. Each account can contain different assets, and all transactions are signed using the end-user key generated for a specific wallet.

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Data Model

  • User: Represents the end user of your application. Kindly note that this entity is external to Fireblocks and is reflected only on the customer’s side.
  • Device: A logical identifier representing an entity that stores an end-user key share and can participate in MPC operations for a given wallet.
  • Wallet: Represents an end user wallet created via the Fireblocks API.
  • Transaction: Represents the transactions created in Fireblocks.
  • Account: Represents the different accounts under a single end user wallet.
  • Asset: Represents the different assets under a single account.

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Relationships

  • User > Device: One to Many relation
  • Wallet > Device: One to Many relation
  • Wallet > Account: One to Many relation
  • Wallet > Transaction: Many to Many relation
  • Device > Message: One to Many relation
  • Account > Asset: One to Many relation
Device ID and wallet correlation. Each user can have multiple deviceId values, each correlating to a different end user wallet in Fireblocks. Each deviceId represents an entity that stores an end-user key share.