diff --git a/app/designs/identity/keys_by_email.js b/app/designs/identity/keys_by_email.js
new file mode 100644
index 0000000000000000000000000000000000000000..c81ac2f02ef112a0b480c498b7e28408e3bc4c1c
--- /dev/null
+++ b/app/designs/identity/keys_by_email.js
@@ -0,0 +1,8 @@
+function(doc) {
+  if (doc.type != 'Identity') {
+    return;
+  }
+  if (typeof doc.keys === "object") {
+    emit(doc.address, doc.keys);
+  }
+}