> ## 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.

# Decentralized Identifier

> A standards-based identifier designed to enable verifiable decentralized identity without requiring one central identity provider.

# Decentralized Identifier

A standards-based identifier designed to enable verifiable decentralized identity without requiring one central identity provider.

## Definition

A standards-based identifier designed to enable verifiable decentralized identity without requiring one central identity provider.

## 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

***

**Canonical knowledge ID:** `glossary:decentralized-identifier`