diff --git a/crates/bft-json-crdt/src/json_crdt.rs b/crates/bft-json-crdt/src/json_crdt.rs
index d8cd558..e7f74e0 100644
--- a/crates/bft-json-crdt/src/json_crdt.rs
+++ b/crates/bft-json-crdt/src/json_crdt.rs
@@ -123,6 +123,12 @@ pub struct SignedOp {
     pub depends_on: Vec<SignedDigest>,
 }
 
+impl Display for SignedOp {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "SignedOp({})", self)
+    }
+}
+
 impl SignedOp {
     pub fn id(&self) -> OpId {
         self.inner.id