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

# cardano.block

> Description of the block table on Dune

export const TableSample = ({tableName, tableSchema}) => <>
    <div className="hidden dark:block">
      <iframe src={`https://dune.com/embeds/3419983/5785629?table_schema_t6f0df=${tableSchema}&table_name_t6f0df=${tableName}&darkMode=true`} style={{
  width: '100%',
  height: '500px',
  border: 'none',
  marginTop: '10px'
}} />
    </div>
    <div className="dark:hidden">
      <iframe src={`https://dune.com/embeds/3419983/5785629?table_schema_t6f0df=${tableSchema}&table_name_t6f0df=${tableName}`} style={{
  width: '100%',
  height: '500px',
  border: 'none',
  marginTop: '10px'
}} />
    </div>
  </>;

## Table Description

Contains block-level data for the Cardano blockchain. Each row represents a single block and includes information about the epoch, slot, transaction count, total output value, fees collected, and protocol version.

## Column Descriptions

| **Column** | **Description** | **Type** |
| - | - | - |
| **block\_hash** | The hash uniquely identifying the block. | varchar |
| **block\_number** | The sequential number of the block in the chain. | bigint |
| **block\_time** | The timestamp when the block was produced. | timestamp |
| **epoch** | The epoch number in which the block was produced. | integer |
| **slot** | The absolute slot number of the block. | bigint |
| **epoch\_slot** | The slot number relative to the start of the epoch. | bigint |
| **era** | The Cardano era during which the block was produced (e.g., Shelley, Alonzo, Conway). | integer |
| **tx\_count** | The number of transactions included in the block. | integer |
| **total\_output\_lovelace** | The total output value of all transactions in the block, in lovelace. | decimal(38,0) |
| **total\_fees\_lovelace** | The total transaction fees collected in the block, in lovelace. | bigint |
| **protocol\_version** | The protocol version active when the block was produced. | varchar |
| **prev\_block\_hash** | The hash of the preceding block. | varchar |
| **pool\_hash** | The hash of the stake pool that produced the block. | varchar |
| **\_updated\_at** | The time when this record was last updated. | timestamp |
| **\_ingested\_at** | The time when this record was ingested into Dune. | timestamp |

## Table Sample

<TableSample tableSchema="cardano" tableName="block" />


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