The Check Previous Balance tool can be used to find how much token balance an address has at a specific time or block.
To access the Check Previous Balance tool, click on the 'more' button on the address page located on the right-hand side.
Then click on the Check Previous Balance button. You will be pointed to a page called ETH Account Balance Checker.
Once here, follow the steps below:
- Enter the desired address.
- Choose a date OR a block number.
- Click on 'Lookup'
You will be presented with a snapshot date, the block number, token quantity at that specific date, and changes in the amount of token the address holds represented by 'Quantity Changed'.