> ## 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.

# Checkpoints

Checkpoints are global snapshots of the blockchain's state, capturing the entire history of transactions up to a certain point.

### Table Columns

| Column Name                   | Description                                            |
| ----------------------------- | ------------------------------------------------------ |
| checkpoint\_commitments       | Commitments included in the checkpoint.                |
| digest                        | The unique identifier or hash of the checkpoint.       |
| epoch                         | The epoch number when the checkpoint was created.      |
| computation\_cost             | The computational cost associated with the checkpoint. |
| non\_refundable\_storage\_fee | The storage fee that is not refundable.                |
| storage\_cost                 | The cost of storage for the checkpoint.                |
| storage\_rebate               | The rebate received for storage.                       |
| network\_total\_transactions  | The total number of transactions in the network.       |
| previous\_digest              | The digest of the previous checkpoint.                 |
| sequence\_number              | The sequence number of the checkpoint.                 |
| timestamp\_ms                 | The timestamp when the checkpoint was created.         |
| transactions                  | Transactions included in the checkpoint.               |
| \_created\_at                 | Timestamp of the entry creation.                       |
| \_updated\_at                 | Timestamp of the entry update.                         |