# IHistoricalBalance

### Functions <a href="#functions" id="functions"></a>

#### getPastBalanceOf <a href="#getpastbalanceof" id="getpastbalanceof"></a>

This function retrieves the historical balance of an account at a specific point in time.

```solidity
function getPastBalanceOf(address account, uint256 timepoint) external view returns (uint256 balance);
```

**Parameters**

| Name        | Type      | Description                                                                                          |
| ----------- | --------- | ---------------------------------------------------------------------------------------------------- |
| `account`   | `address` | The address of the account for which to retrieve the historical balance.                             |
| `timepoint` | `uint256` | The timepoint (block number or timestamp depending on implementation) at which to query the balance. |

**Returns**

| Name      | Type      | Description                                            |
| --------- | --------- | ------------------------------------------------------ |
| `balance` | `uint256` | The balance of the account at the specified timepoint. |