# Decentralized Identifiers (DIDs)

> **Learn about DIDs** If you want to learn about what [DIDs are, please go over to our learning site here.](https://learn.cheqd.io/overview/introduction-to-decentralised-identity/what-is-a-decentralised-identifier-did)

A Decentralized Identifier "DID" is a globally unique identifier that does not require a centralized registration authority because it is registered with distributed ledger technology or other form of decentralized network.

{% hint style="info" %}
**Learn about DIDs** If you want to learn about what [DIDs are, please go over to our learning site here.](https://learn.cheqd.io/overview/introduction-to-decentralised-identity/what-is-a-decentralised-identifier-did)
{% endhint %}

## Get started

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Create DID</strong></mark></td><td>Create an Issuer DID using the <code>did:cheqd</code> DID method using Veramo. </td><td><a href="dids/create-did">create-did</a></td></tr><tr><td><mark style="color:blue;"><strong>Create Subject DID</strong></mark></td><td>Create a Subject DID using the <code>did:key</code> method.</td><td><a href="dids/create-subject-did">create-subject-did</a></td></tr><tr><td><mark style="color:blue;"><strong>Resolve DID</strong></mark></td><td>Resolve a DID to retrieve the associated DID Document. </td><td><a href="dids/query-did">query-did</a></td></tr></tbody></table>

## Alternatives

Below are a list of alternatives SDKs for creating cheqd DIDs.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>cheqd Studio</strong></mark></td><td>Our API product enables users to <strong>use cheqd's functionality with minimal complexity</strong> and easily integrate APIs into existing apps. </td><td><a href="../../studio">studio</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-7f1ffe5c0546f0ee4f106ac1a71308c5ee5ad7c8%2Fcheqd_logo_card.jpg?alt=media">cheqd_logo_card.jpg</a></td></tr><tr><td><mark style="color:blue;"><strong>ACA-Py</strong></mark></td><td>ACA-Py (Aries Cloud Agent Python) is an SDK that can issue AnonCreds, JSON-LD and SD-JWT credentials with full cheqd support.</td><td><a href="../aca-py">aca-py</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-7c6e984dea8a819980980f97ae804f943838ce62%2FACA-Py.png?alt=media">ACA-Py.png</a></td></tr><tr><td><mark style="color:blue;"><strong>Credo</strong></mark></td><td>Credo is an SDK which <strong>supports the European Architecture and Reference Framework (ARF)</strong> <strong>standards as well as AnonCreds</strong> with full cheqd support for DIDs. </td><td><a href="../credo">credo</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-60c84f7d53e6eb6e675e8cd8b00e4920ad335ca0%2FCredo.png?alt=media">Credo.png</a></td></tr><tr><td><mark style="color:blue;"><strong>DID Registrar</strong></mark></td><td>Simple setup for building cheqd DIDs into existing applications using REST APIs, building into the <a href="https://uniregistrar.io/">Universal Registrar</a>.</td><td><a href="../../advanced/did-registrar">did-registrar</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-a95d1f6e14a4b976289d6f2bd705a8a324f2032f%2FDIF.png?alt=media">DIF.png</a></td></tr><tr><td><mark style="color:blue;"><strong>Walt.id Community Stack</strong></mark></td><td>Walt.id Community Stack is an SDK that supports the <a href="https://digital-strategy.ec.europa.eu/en/library/european-digital-identity-architecture-and-reference-framework-outline"><strong>European Architecture and Reference Framework (ARF)</strong></a> standards for identity, with full cheqd support. </td><td><a href="../walt-id">walt-id</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-13fffb32e0b3f04983f4984cd455a441c3111b7f%2Fwalt.id%20logo.png?alt=media">walt.id logo.png</a></td></tr><tr><td><mark style="color:blue;"><strong>cheqd Cosmos CLI</strong></mark></td><td>Cosmos CLI which directly communicates with the cheqd network. This should only be used for testing environments.</td><td><a href="../../advanced/tooling/cheqd-node-cli">cheqd-node-cli</a></td><td><a href="https://3569764573-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPVAMvpKH7PYzvXA6u6Cn%2Fuploads%2Fgit-blob-fab3a1d3aa7f3c99241ea3ab060ec02d66ce2c7c%2Fcosmos%20and%20cheqd.png?alt=media">cosmos and cheqd.png</a></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.cheqd.io/product/sdk/veramo/dids.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.