diff --git a/nostrdb/NdbNote.swift b/nostrdb/NdbNote.swift
index 097d0034..9ea0899a 100644
--- a/nostrdb/NdbNote.swift
+++ b/nostrdb/NdbNote.swift
@@ -34,7 +34,7 @@ enum NdbData {
     }
 }
 
-class NdbNote {
+class NdbNote: Equatable {
     // we can have owned notes, but we can also have lmdb virtual-memory mapped notes so its optional
     private let owned: Bool
     let count: Int
@@ -94,6 +94,10 @@ class NdbNote {
         }
     }
 
+    static func == (lhs: NdbNote, rhs: NdbNote) -> Bool {
+        return lhs.id == rhs.id
+    }
+
     static func owned_from_json(json: String, bufsize: Int = 2 << 18) -> NdbNote? {
         return json.withCString { cstr in
             return NdbNote.owned_from_json_cstr(