A non-fungible asset is a unique digital identifier that cannot be copied, substituted, or subdivided, that is recorded in a blockchain, and that is used to certify ownership and authenticity.
The following table describes the fields in the REST API messages for assets:
| Field | Type | Description |
|---|---|---|
| id | string | The UUID. A unique ID of the asset. |
| created_at | date | The creation time of the asset. Standard format of timestamp with a time zone. [ISO_8601] |
| updated_at | date | The time when the asset details were last updated. Standard format of timestamp with a time zone. ISO_8601 |
| symbol | string | The coin symbol of the asset. |
| token_id | number | The token ID of the asset. |
| contract_id | string | The ID of the contract of the asset. See the Contract Object. |
| extra_detail | json | Contains all metadata of the asset. |
| owned_by_wallet | boolean | Whether or not the asset is owned by the wallet. |
| wallet_id | string | The ID of the wallet to which this asset belongs. See Wallet Object |