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

# Data Availability Layer

> A specialized layer or network that stores and distributes data required for independent verification of blockchain execution.

# Data Availability Layer

A specialized layer or network that stores and distributes data required for independent verification of blockchain execution.

## Definition

A specialized layer or network that stores and distributes data required for independent verification of blockchain execution.

## Why it matters

Architecture determines how blockchain components divide responsibility for execution, consensus, settlement, and data.

## Related knowledge

* [Blockchain](/categories/blockchain) — term
* [Cryptography](/categories/cryptography) — term
* [Web3](/categories/web3) — term

***

**Canonical knowledge ID:** `glossary:data-availability-layer`