diff --git a/execution-core/src/transfer/data.rs b/execution-core/src/transfer/data.rs
index 92da9f023..b15b2305b 100644
--- a/execution-core/src/transfer/data.rs
+++ b/execution-core/src/transfer/data.rs
@@ -195,7 +195,7 @@ impl ContractCall {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, Archive, Serialize, Deserialize)]
+#[derive(Clone, PartialEq, Eq, Archive, Serialize, Deserialize)]
 #[archive_attr(derive(CheckBytes))]
 /// Holds bytes of bytecode and its hash.
 pub struct ContractBytecode {
@@ -233,3 +233,16 @@ impl ContractBytecode {
         Ok(Self { hash, bytes })
     }
 }
+
+impl core::fmt::Debug for ContractBytecode {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        if f.alternate() {
+            write!(f, "ContractBytecode {{ ... }}")
+        } else {
+            f.debug_struct("ContractBytecode")
+                .field("hash", &self.hash)
+                .field("bytes", &self.bytes)
+                .finish()
+        }
+    }
+}
diff --git a/execution-core/src/transfer/phoenix.rs b/execution-core/src/transfer/phoenix.rs
index 7f8ed4a9c..b4700b911 100644
--- a/execution-core/src/transfer/phoenix.rs
+++ b/execution-core/src/transfer/phoenix.rs
@@ -78,7 +78,7 @@ impl cmp::PartialOrd for NoteLeaf {
 pub const TRANSCRIPT_LABEL: &[u8] = b"dusk-network";
 
 /// Phoenix transaction.
-#[derive(Debug, Clone, Archive, Serialize, Deserialize)]
+#[derive(Clone, Archive, Serialize, Deserialize)]
 #[archive_attr(derive(CheckBytes))]
 pub struct Transaction {
     payload: Payload,
@@ -93,6 +93,23 @@ impl PartialEq for Transaction {
 
 impl Eq for Transaction {}
 
+impl Debug for Transaction {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        if f.alternate() {
+            write!(
+                f,
+                "Transaction {{ payload: {:#?}, proof: [ ... ] }}",
+                self.payload
+            )
+        } else {
+            f.debug_struct("Transaction")
+                .field("payload", &self.payload)
+                .field("proof", &self.proof)
+                .finish()
+        }
+    }
+}
+
 impl Transaction {
     /// Create a new phoenix transaction given the sender secret-key, receiver
     /// public-key, the input note positions in the transaction tree and the