> ## 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.

# Consensus Client

> Ethereum software responsible for proof-of-stake consensus duties such as attestations and finality.

# Consensus Client

Ethereum software responsible for proof-of-stake consensus duties such as attestations and finality.

## Definition

Ethereum software responsible for proof-of-stake consensus duties such as attestations and finality.

## Why it matters

Ethereum-specific terms explain its execution environment, standards, accounts, and scaling roadmap.

## Related knowledge

* [EIP](/generated/v2/glossary/eip) — term
* [Ethereum](/categories/ethereum) — term
* [Smart Contract](/generated/v2/glossary/smart-contract) — term

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**Canonical knowledge ID:** `glossary:consensus-client`