diff --git a/coordinator/internal/logic/submitproof/proof_receiver.go b/coordinator/internal/logic/submitproof/proof_receiver.go
index 2341c12b0..3d1693aff 100644
--- a/coordinator/internal/logic/submitproof/proof_receiver.go
+++ b/coordinator/internal/logic/submitproof/proof_receiver.go
@@ -219,7 +219,6 @@ func (m *ProofReceiverLogic) HandleZkProof(ctx *gin.Context, proofParameter coor
 		if unmarshalErr := json.Unmarshal([]byte(proofParameter.Proof), &chunkProof); unmarshalErr != nil {
 			return unmarshalErr
 		}
-		log.Info("parse chunkproof", "key", chunkProof.MetaData.ChunkInfo.EncryptionKey)
 		success, verifyErr = m.verifier.VerifyChunkProof(chunkProof, hardForkName)
 		if stat := chunkProof.VmProof.Stat; stat != nil {
 			if g, _ := m.proverSpeed.GetMetricWithLabelValues("chunk", "exec"); g != nil && stat.ExecutionTimeMills > 0 {
diff --git a/coordinator/internal/utils/codec_validium.go b/coordinator/internal/utils/codec_validium.go
index 4f3019795..e7083fc2a 100644
--- a/coordinator/internal/utils/codec_validium.go
+++ b/coordinator/internal/utils/codec_validium.go
@@ -18,13 +18,12 @@ type DABatch interface {
 }
 
 type daBatchValidiumV1 struct {
-	Version           CodecVersion `json:"version"`
-	BatchIndex        uint64       `json:"batch_index"`
-	BlobVersionedHash common.Hash  `json:"blob_versioned_hash"`
-	ParentBatchHash   common.Hash  `json:"parent_batch_hash"`
-	PostStateRoot     common.Hash  `json:"post_state_root"`
-	WithDrawRoot      common.Hash  `json:"withdraw_root"`
-	Commitment        common.Hash  `json:"commitment"`
+	Version         CodecVersion `json:"version"`
+	BatchIndex      uint64       `json:"batch_index"`
+	ParentBatchHash common.Hash  `json:"parent_batch_hash"`
+	PostStateRoot   common.Hash  `json:"post_state_root"`
+	WithDrawRoot    common.Hash  `json:"withdraw_root"`
+	Commitment      common.Hash  `json:"commitment"`
 }
 
 type daBatchValidium struct {
diff --git a/crates/libzkp_c/src/lib.rs b/crates/libzkp_c/src/lib.rs
index ec52777d2..01373b7c6 100644
--- a/crates/libzkp_c/src/lib.rs
+++ b/crates/libzkp_c/src/lib.rs
@@ -159,7 +159,13 @@ pub unsafe extern "C" fn gen_universal_task(
         let pre_task_str = c_char_to_str(task);
         let cli = l2geth::get_client();
         let decryption_key = if decryption_key_len > 0 {
-            assert_eq!(decryption_key_len, 32, "len(decryption_key) != 32");
+            if decryption_key_len != 32 {
+                tracing::error!(
+                    "gen_universal_task received {}-byte decryption key; expected 32",
+                    decryption_key_len
+                );
+                return failed_handling_result();
+            }
             Some(std::slice::from_raw_parts(
                 decryption_key,
                 decryption_key_len,