> ## 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.

# BLS Signature

> A digital signature scheme that supports compact signature aggregation and is used in some proof-of-stake systems.

# BLS Signature

A digital signature scheme that supports compact signature aggregation and is used in some proof-of-stake systems.

## Definition

A digital signature scheme that supports compact signature aggregation and is used in some proof-of-stake systems.

## Why it matters

Cryptography provides the mathematical foundation for keys, signatures, privacy, integrity, and verification.

## Related knowledge

* [Hash Function](/generated/v2/glossary/hash-function) — term

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**Canonical knowledge ID:** `glossary:bls-signature`