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<!DOCTYPE html>
<html>
<head>
<title>
DID Specification Registries
</title>
<meta content='text/html; charset=utf-8' http-equiv='Content-Type'><!--
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<body>
<section id='abstract'>
<p>
This document serves as an official registry for all known global parameters,
properties, and values used by the Decentralized Identifier ecosystem.
</p>
</section>
<section id='sotd'>
<p>
This registry is under active development and implementers are advised
against using the registry unless they are directly involved with the
W3C DID Working Group.
</p>
<p>
Comments regarding this document are welcome. Please file issues
directly on <a href="https://github.com/w3c/did-spec-registries/issues/">GitHub</a>,
or send them
to <a href="mailto:public-did-wg@w3.org">public-did-wg@w3.org</a> (
<a href="mailto:public-did-wg-request@w3.org?subject=subscribe">subscribe</a>,
<a href="https://lists.w3.org/Archives/Public/public-did-wg/">archives</a>).
</p>
<p>
Portions of the work on this specification have been funded by the
United States Department of Homeland Security's Science and Technology
Directorate under contracts HSHQDC-16-R00012-H-SB2016-1-002, 70RSAT20T00000010,
and HSHQDC-17-C-00019. The content of this specification does not
necessarily reflect the position or the policy of the U.S. Government
and no official endorsement should be inferred.
</p>
<p>
Work on this registry has also been supported by the Rebooting the
Web of Trust community facilitated by Christopher Allen, Shannon
Appelcline, Kiara Robles, Brian Weller, Betty Dhamers, Kaliya Young,
Kim Hamilton Duffy, Manu Sporny, Drummond Reed, Joe Andrieu, and
Heather Vescent, Dmitri Zagidulin, and Dan Burnett.
</p>
</section>
<section id="conformance"></section>
<section class="informative">
<h1>Introduction</h1>
<p>
This document serves as an official registry for all known global parameters,
properties, and values used by the Decentralized Identifier ecosystem.
</p>
</section>
<section>
<h1>The Registration Process</h1>
<p>
Software implementers might find that the existing Decentralized Identifier Core
specification [[DID-CORE]] is not entirely capable of addressing their use case
and might need to add a new parameters, properties, or values to this registry
in order to achieve their use case in a globally interoperable fashion. In order
to add a new parameter, property, or value to this registry, an implementer MUST
submit a modification request for this registry, as a pull request on the
repository where this registry is hosted, where the modification request adheres
to the following policies:
</p>
<ol>
<li>
Any addition to the DID Core Registries MUST specify a human readable
description of the addition.
</li>
<li>
If there are copyright, trademark, or any intellectual property rights
concerns, the addition and use MUST be authorized in writing by the intellectual
property rights holder under a
<a href="https://en.wikipedia.org/wiki/Reasonable_and_non-discriminatory_licensing">F/RAND</a>
license. Examples include DID Methods that use trademarked brand names,
property names that utilize the titles of copyrighted works, and patented
technology that would cause the use of the extension to require licensing a
patent.
</li>
<li>
Any addition MUST NOT create unreasonable legal, security, moral, or privacy
issues that will result in direct harm to others. Examples of unacceptable
additions include any containing racist language, technologies used to
persecute minority populations, and unconsented pervasive tracking.
</li>
<li>
Any addition to the DID Core Registries MUST link, via at least a URL,
preferably a content-integrity protected one, to the defining specification so
that implementers can implement the property.
</li>
<li>
Any addition to the DID Core Registries that is a property or value, MUST
specify a machine readable JSON-LD Context for the addition.
<ul>
<li>
The JSON-LD Context MUST be included in full as part of the submission.
</li>
<li>
A namespace URI MUST be provided for the JSON-LD Context so that consumer
implementations can consistently map a URI to the full context.
</li>
<li>
The URI provided MUST be persistent, and link all terms to their associated
human readable descriptions.
</li>
<li>
The URI provided SHOULD resolve or link to the full context contents.
</li>
<li>
JSON-LD Contexts MUST be versioned and MUST NOT be date stamped.
</li>
<li>
JSON-LD Contexts SHOULD use scoped terms and MUST use the <code>@protected</code>
feature to eliminate the possibility of term conflicts.
</li>
</ul>
</li>
<li>
Properties in the DID Core Registries MUST NOT be removed, only deprecated.
</li>
</ol>
<p>
The Editors of the DID Specification Registries MUST consider all of the
policies above when reviewing additions to the registry and MUST reject registry
entries if they violate any of the policies in this section. Entities
registering additions can challenge rejections first with the W3C DID Working
Group and then, if they are not satisfied with the outcome, with the W3C Staff.
W3C Staff need not be consulted on changes to the DID Specification Registries,
but do have the final authority on registry contents. This is to ensure that W3C
can adequately respond to time sensitive legal, privacy, security, moral, or
other pressing concerns without putting an undue operational burden on W3C
Staff.
</p>
<p>
Entries that are identified to cause interoperability problems MAY be marked as
such at the discretion of the maintainers of this registry, and if possible,
after consultation with the entry maintainer.
</p>
<p>
Any submission to the registries that meet all the criteria listed above will be
accepted for inclusion. These registries enumerate all known mechanisms that
meet a minimum bar, without choosing between them.
</p>
</section>
<section>
<h1>The Labeling Process</h1>
<p>
This section describes labels that are used to categorize registry entries.
</p>
<dl class="label-legend">
<dt>
<span class="label-deprecated">Deprecated</span>
</dt>
<dd>
This label is applied to registry entries that should not be relied on.
</dd>
<dt>
<span class="label-no-contact-info">No Contact Info</span>
</dt>
<dd>
This label is applied to registry entries for which no point of contact has been provided.
</dd>
</dl>
</section>
<section>
<h1>Property Names</h1>
<p>
The following section defines the properties available for use in a DID
document. Note that some of these properties are defined in the
<a href="https://www.w3.org/TR/did-core">DID Core Specification</a>, and
others are defined elsewhere and may be method- or domain-specific. Please read
the associated specifications to ensure that the properties you use are
appropriate for your implementation. The properties are arranged here according
to the purpose they serve.
</p>
<p class="issue">
This registry is a work in progress and some properties are missing normative
definitions. We are working on this! This does NOT mean that in future it will
be possible to submit items to the registry without normative definitions (see <a href="#the-registration-process"></a>).
</p>
<section>
<h3>DID document properties</h3>
<p>
These properties are foundational to DID documents, and are expected to be
useful to all DID methods.
<section>
<h4>id</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#did-subject">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of id property">
{
"id": "did:example:123",
...
}
</pre>
</section>
<section>
<h4>alsoKnownAs</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#also-known-as">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of alsoKnownAs property">
{
"alsoKnownAs": "https://example.com/",
...
}
</pre>
</section>
<section>
<h4>controller</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#authorization-and-delegation">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of controller property">
{
"controller": "did:example:123",
...
}
</pre>
</section>
<section>
<h4>verificationMethod</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#dfn-verification-method">DID Core Terminology</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of verificationMethod property">
{
"id": "did:example:123",
"verificationMethod": [
{
"id": "did:example:123#key-1",
"type": "Ed25519VerificationKey2018",
"controller": "did:example:123",
"publicKeyBase58": "H3C2AVvLMv6gmMNam3uVAjZpfkcJCwDwnZn6z3wXmqPV"
},
{
"id": "did:example:123#key-2",
"type": "JsonWebKey2020",
"controller": "did:example:123",
"publicKeyJwk": {
"kty": "OKP",
"crv": "Ed25519",
"x": "r7V8qmdFbwqSlj26eupPew1Lb22vVG5vnjhn3vwEA1Y"
},
}
]
}
</pre>
</section>
<section>
<h4>publicKey</h4>
<span class="label-deprecated">Deprecated</span>
<p class="advisement">
This property has been deprecated, use <a href="#verificationmethod">verificationMethod</a> instead.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security/#publicKey">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/v1">security-vocab context</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of publicKey property">
{
"id": "did:example:123",
"publicKey": [
{
"id": "did:example:123#ZC2jXTO6t4R501bfCXv3RxarZyUbdP2w_psLwMuY6ec",
"type": "Ed25519VerificationKey2018",
"controller": "did:example:123",
"publicKeyBase58": "H3C2AVvLMv6gmMNam3uVAjZpfkcJCwDwnZn6z3wXmqPV"
},
{
"id": "did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q",
"type": "EcdsaSecp256k1VerificationKey2019",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "secp256k1",
"x": "NtngWpJUr-rlNNbs0u-Aa8e16OwSJu6UiFf0Rdo1oJ4",
"y": "qN1jKupJlFsPFc1UkWinqljv4YE0mq_Ickwnjgasvmo",
"kty": "EC",
"kid": "WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
}
}
]
}
</pre>
</section>
<section>
<h4>service</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#service-endpoints">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of service and serviceEndpoint properties">
{
...
"service": [{
"id": "did:example:123#edv",
"type": "EncryptedDataVault",
"serviceEndpoint": "https://edv.example.com/"
}]
}
</pre>
</section>
</section>
<section>
<h3>Verification relationships</h3>
<p>
These are properties that express the relationship between the DID subject and a
verification method using a
<a href="https://w3c.github.io/did-core/#dfn-verification-relationship">
verification relationship</a>.
</p>
<section>
<h4>assertionMethod</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#assertion">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of assertionMethod property">
{
...
"publicKey": [{
"id": "did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q",
"type": "EcdsaSecp256k1VerificationKey2019",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "secp256k1",
"x": "NtngWpJUr-rlNNbs0u-Aa8e16OwSJu6UiFf0Rdo1oJ4",
"y": "qN1jKupJlFsPFc1UkWinqljv4YE0mq_Ickwnjgasvmo",
"kty": "EC",
"kid": "WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
}
}],
"assertionMethod": [{
"id": "did:example:123#z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4",
"type": "Ed25519VerificationKey2018",
"controller": "did:example:123",
"publicKeyBase58": "BYEz8kVpPqSt5T7DeGoPVUrcTZcDeX5jGkGhUQBWmoBg"
},
"did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
]
}
</pre>
</section>
<section>
<h4>authentication</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#authentication">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of authentication property">
{
...
"publicKey": [{
"id": "did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q",
"type": "EcdsaSecp256k1VerificationKey2019",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "secp256k1",
"x": "NtngWpJUr-rlNNbs0u-Aa8e16OwSJu6UiFf0Rdo1oJ4",
"y": "qN1jKupJlFsPFc1UkWinqljv4YE0mq_Ickwnjgasvmo",
"kty": "EC",
"kid": "WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
}
}],
"authentication": [{
"id": "did:example:123#z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4",
"type": "Ed25519VerificationKey2018",
"controller": "did:example:123",
"publicKeyBase58": "BYEz8kVpPqSt5T7DeGoPVUrcTZcDeX5jGkGhUQBWmoBg"
},
"did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
]
}
</pre>
</section>
<section>
<h4>capabilityDelegation</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#capability-invocation">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of capabilityDelegation property">
{
...
"publicKey": [{
"id": "did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q",
"type": "EcdsaSecp256k1VerificationKey2019",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "secp256k1",
"x": "NtngWpJUr-rlNNbs0u-Aa8e16OwSJu6UiFf0Rdo1oJ4",
"y": "qN1jKupJlFsPFc1UkWinqljv4YE0mq_Ickwnjgasvmo",
"kty": "EC",
"kid": "WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
}
}],
"capabilityDelegation": [{
"id": "did:example:123#z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4",
"type": "Ed25519VerificationKey2020",
"controller": "did:example:123",
"publicKeyMultibase": "z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4"
},
"did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
]
}
</pre>
</section>
<section>
<h4>capabilityInvocation</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#capability-invocation">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of capabilityInvocation property">
{
...
"publicKey": [{
"id": "did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q",
"type": "EcdsaSecp256k1VerificationKey2019",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "secp256k1",
"x": "NtngWpJUr-rlNNbs0u-Aa8e16OwSJu6UiFf0Rdo1oJ4",
"y": "qN1jKupJlFsPFc1UkWinqljv4YE0mq_Ickwnjgasvmo",
"kty": "EC",
"kid": "WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
}
}],
"capabilityInvocation": [{
"id": "did:example:123#z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4",
"type": "Ed25519VerificationKey2020",
"controller": "did:example:123",
"publicKeyMultibase": "z6MkpzW2izkFjNwMBwwvKqmELaQcH8t54QL5xmBdJg9Xh1y4"
},
"did:example:123#WjKgJV7VRw3hmgU6--4v15c0Aewbcvat1BsRFTIqa5Q"
]
}
</pre>
</section>
<section>
<h4>keyAgreement</h4>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://www.w3.org/TR/did-core/#key-agreement">DID Core</a>
</td>
<td>
<a href="https://www.w3.org/ns/did/v1">DID Core</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of keyAgreement property">
{
...
"keyAgreement": [
{
"id": "did:example:123#zC9ByQ8aJs8vrNXyDhPHHNNMSHPcaSgNpjjsBYpMMjsTdS",
"type": "X25519KeyAgreementKey2019",
"controller": "did:example:123",
"publicKeyMultibase": "zC9ByQ8aJs8vrNXyDhPHHNNMSHPcaSgNpjjsBYpMMjsTdS"
}
]
}
</pre>
</section>
</section>
<section>
<h3>Verification method properties</h3>
<p>
These properties are for use on a verification method object, in the value of
<a href="#verificationmethod"><code>verificationMethod</code></a>.
</p>
<section>
<h4>publicKeyJwk</h4>
<p class="note">
This property is expected to be embedded within the context definition of a
public key representation. An implementer should not be relying directly on
the linked context registered below in nearly every case.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security#publicKeyJwk">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/suites/jws-2020/v1">https://w3id.org/security/suites/jws-2020/v1</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of publicKeyJwk property">
{
"id": "did:example:123#_Qq0UL2Fq651Q0Fjd6TvnYE-faHiOpRlPVQcY_-tA4A",
"type": "JsonWebKey2020",
"controller": "did:example:123",
"publicKeyJwk": {
"crv": "Ed25519",
"x": "VCpo2LMLhn6iWku8MKvSLg2ZAoC-nlOyPVQaO3FxVeQ",
"kty": "OKP",
"kid": "_Qq0UL2Fq651Q0Fjd6TvnYE-faHiOpRlPVQcY_-tA4A"
}
},
</pre>
</section>
<section>
<h4>publicKeyBase58</h4>
<span class="label-deprecated">Deprecated</span>
<p class="advisement">
This property is deprecated in favor of <code>publicKeyMultibase</code> or
<code>publicKeyJwk</code>. It's generally expected that this term will still be
used in older suites and therefore needs be supported for legacy compatibility,
but is expected to not be used for newly defined suites.
</p>
<p class="note">
This property is expected to be embedded within the context definition of a
public key representation. An implementer is expected to not be relying directly
on the linked context registered below in nearly every case.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security/#publicKeyBase58">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/v2">https://w3id.org/security/v2</a>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h4>publicKeyHex</h4>
<span class="label-deprecated">Deprecated</span>
<p class="advisement">
This property is deprecated in favor of <code>publicKeyMultibase</code> or
<code>publicKeyJwk</code>. It's generally expected that this term will still be
used in older suites and therefore needs be supported for legacy compatibility,
but is expected to not be used for newly defined suites.
</p>
<p class="note">
This property is expected to be embedded within the context definition of a
public key representation. An implementer is expected to not be relying directly
on the linked context registered below in nearly every case.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security#publicKeyHex">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/v3-unstable">https://w3id.org/security/v3-unstable</a>
</td>
<td>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of publicKeyHex property">
{
"@context":[
"https://www.w3.org/ns/did/v1",
"https://identity.foundation/EcdsaSecp256k1RecoverySignature2020#"
],
"id":"did:example:123",
"publicKey":[{
"id": "did:example:123#vm-2",
"controller": "did:example:123",
"type": "EcdsaSecp256k1RecoveryMethod2020",
"publicKeyHex": "027560af3387d375e3342a6968179ef3c6d04f5d33b2b611cf326d4708badd7770"
}]
}
</pre>
</section>
<section>
<h4>publicKeyMultibase</h4>
<p class="note">
This property is expected to be embedded within the context definition of a
public key representation. An implementer is expected to not be relying directly
on the linked context registered below in nearly every case.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security#publicKeyMultibase">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/v3-unstable">https://w3id.org/security/v3-unstable</a>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h4>blockchainAccountId</h4>
<p class="note">
This property is expected to be embedded within the context definition of a
public key representation. An implementer is expected to not be relying directly
on the linked context registered below in nearly every case.
</p>
<table class="simple" style="width: 100%;">
<thead>
<tr>
<th>Normative Definition</th>
<th>JSON-LD</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://w3id.org/security#blockchainAccountId">security-vocab</a>
</td>
<td>
<a href="https://w3id.org/security/v3-unstable">https://w3id.org/security/v3-unstable</a>
</td>
</tr>
</tbody>
</table>
<pre class="example" title="Example of blockchainAccountId property">
{
"@context":[
"https://www.w3.org/ns/did/v1",
"https://identity.foundation/EcdsaSecp256k1RecoverySignature2020#"
],
"id":"did:example:123",
"publicKey":[{
"id": "did:example:123#vm-3",
"controller": "did:example:123",
"type": "EcdsaSecp256k1RecoveryMethod2020",
"blockchainAccountId":"eip155:1:0xab16a96d359ec26a11e2c2b3d8f8b8942d5bfcdb"