> ## 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.

# Proof of Personhood

> A system for demonstrating that a participant represents a unique human being without necessarily revealing conventional identity details.

# Proof of Personhood

A system for demonstrating that a participant represents a unique human being without necessarily revealing conventional identity details.

## Definition

A system for demonstrating that a participant represents a unique human being without necessarily revealing conventional identity details.

## Why it matters

Digital-identity concepts explain how blockchain and cryptography can support verifiable credentials and user-controlled identity.

## Related knowledge

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

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**Canonical knowledge ID:** `glossary:proof-of-personhood`