diff --git a/src/cid.ts b/src/cid.ts
index 2f9b31c..1426260 100644
--- a/src/cid.ts
+++ b/src/cid.ts
@@ -4,6 +4,7 @@ import { CID_HASH_TYPES, CID_TYPES, REGISTRY_TYPES } from "#constants.js";
 import { decodeEndian, encodeEndian } from "#util.js";
 import { concatBytes, equalBytes } from "@noble/curves/abstract/utils";
 import { hexToBytes } from "@noble/hashes/utils";
+import { SignedRegistryEntry } from "#types.js";
 
 export default class CID extends Multibase {
   type: number;
@@ -42,6 +43,10 @@ export default class CID extends Multibase {
     return CID._init(bytes);
   }
 
+  static fromSignedRegistryEntry(sre: SignedRegistryEntry): CID {
+    return CID.fromRegistryPublicKey(sre.pk);
+  }
+
   static fromRegistryPublicKey(pubkey: string | Uint8Array): CID {
     return CID.fromHash(pubkey, 0, CID_TYPES.RESOLVER);
   }