diff --git a/index.html b/index.html
index f2d2d06..828dabd 100644
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+++ b/index.html
@@ -229,7 +229,11 @@ <h3>
 href="https://w3c.github.io/vc-data-model/#json-web-token">VC-JWT</a>, the <a
 href="https://w3c-ccg.github.io/lds-ed25519-2020/">Ed25519 Cryptosuite</a>, and
 the <a href="https://w3c-ccg.github.io/lds-ecdsa-secp256k1-2019/">Secp256k1
-Cryptosuite</a>. Concrete serializations based on the <a
+Cryptosuite</a>. Concrete serializations based on the <a 
+href=https://datatracker.ietf.org/doc/html/draft-multiformats-multibase-04>Multibase
+Data Format</a> and the <a href=https://ns.did.ai/suites/multikey-2021/v1/>Multikey-2021
+suite</a> might be provided if the latter is specified and published in time. Concrete
+ serializations based on the <a
 href="https://w3c-ccg.github.io/ldp-bbs2020/">BBS+ Cryptosuite</a> might be provided, if an <a
 href="https://identity.foundation/bbs-signature/">IETF BBS+ RFC</a> is published
 in time. Concrete serializations for VC-JWP might be provided, if an <a
@@ -245,7 +249,9 @@ <h3>
                 <a href="https://w3c.github.io/vc-data-model/#json-web-token">VC-JWT</a>,
                 <a href="https://w3c-ccg.github.io/lds-ed25519-2020/">Ed25519 Cryptosuite</a>,
                 <a href="https://w3c-ccg.github.io/lds-ecdsa-secp256k1-2019/">Secp256k1 Cryptosuite</a>,
-                <a href="https://w3c-ccg.github.io/ldp-bbs2020/">BBS+ Cryptosuite</a>
+                <a href="https://w3c-ccg.github.io/ldp-bbs2020/">BBS+ Cryptosuite</a>,
+                <a href="https://ns.did.ai/suites/multikey-2021/">Multikey-2021</a>
+                </p>
               <p class="milestone"><b>Expected completion:</b> <span class=todo>WG-START+24 months</span></p>
             </dd>
           </dl>