> ## Documentation Index
> Fetch the complete documentation index at: https://docs.allium.so/llms.txt
> Use this file to discover all available pages before exploring further.

# ERC721 Balances

### Table Details

| Property            | Value                                  |
| ------------------- | -------------------------------------- |
| Table Name          | `polygon.assets.erc721_balances`       |
| Table Status        | Production-Ready                       |
| Unique Key          | `unique_id`                            |
| Clustering Key(s)   | `block_timestamp::date, token_address` |
| Search Optimization | `address`, `block_number`, `token_id`  |

### Table Columns

| Column Name         | Data Type         | Description                                                                                                                      |
| ------------------- | ----------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| address             | VARCHAR(42)       | The wallet address holding the tokens                                                                                            |
| token\_address      | VARCHAR(42)       | Contract address of the token                                                                                                    |
| token\_name         | VARCHAR(16777216) | Name of the token                                                                                                                |
| token\_symbol       | VARCHAR(16777216) | Symbol of the token                                                                                                              |
| token\_id           | VARCHAR(16777216) | Unique identifier for the specific token within the collection (e.g., for ERC721 or ERC1155)                                     |
| raw\_balance        | FLOAT             | Token balance, unnormalized                                                                                                      |
| raw\_balance\_str   | VARCHAR(16777216) | Token balance as string to retain precision                                                                                      |
| balance             | FLOAT             | Token balance, normalized                                                                                                        |
| balance\_str        | VARCHAR(16777216) | Token balance as string to retain precision                                                                                      |
| usd\_balance        | FLOAT             | USD value of the token balance, computed using the exchange rate at the time of the balance snapshot.                            |
| usd\_exchange\_rate | FLOAT             | USD price per unit of the token at the time of the event, used to compute `usd_amount`. Sourced from Allium's hourly price feed. |
| transaction\_hash   | VARCHAR(66)       | Hash of the transaction that last modified the balance                                                                           |
| block\_timestamp    | TIMESTAMP\_NTZ(9) | Timestamp of the block                                                                                                           |
| block\_number       | NUMBER(38,0)      | Number of the block                                                                                                              |
| block\_hash         | VARCHAR(66)       | Hash of the block                                                                                                                |
| unique\_id          | VARCHAR(16777216) | Unique identifier of the balances entry                                                                                          |
| \_updated\_at       | TIMESTAMP\_NTZ(9) | Timestamp of when the entry was last updated                                                                                     |
| \_created\_at       | TIMESTAMP\_NTZ(9) | Timestamp of when the entry was created                                                                                          |

### Related Docs

* [EVM Assets ERC721 Balances](/historical-data/supported-blockchains/evm/core-schemas/assets/balances/erc721-balances)