diff --git a/src/models/NostrChallengeCompleted.js b/src/models/NostrChallengeCompleted.js
index 063aa9d..b51b4bb 100644
--- a/src/models/NostrChallengeCompleted.js
+++ b/src/models/NostrChallengeCompleted.js
@@ -16,6 +16,10 @@ const NostrChallengeCompleted = sequelize.define('NostrChallengeCompleted', {
         type: DataTypes.JSONB,
         allowNull: false
     },
+    public_key: {
+        type: DataTypes.STRING,
+        allowNull: false
+    },
     created_at: {
         type: DataTypes.DATE,
         allowNull: false
diff --git a/src/services/nostrService.js b/src/services/nostrService.js
index fe51b52..c4e44a0 100644
--- a/src/services/nostrService.js
+++ b/src/services/nostrService.js
@@ -63,6 +63,7 @@ async function completeNostrChallenge(
         'uuid': uuid.v7(),
         challenge: challenge,
         signed_event: signedEvent,
+        public_key: signedEvent.pubkey,
         created_at: new Date().toISOString()
     }
     );