diff --git a/protocol-units/da/m1/light-node/src/v1/passthrough.rs b/protocol-units/da/m1/light-node/src/v1/passthrough.rs
index cad3829f2..36b18fa9e 100644
--- a/protocol-units/da/m1/light-node/src/v1/passthrough.rs
+++ b/protocol-units/da/m1/light-node/src/v1/passthrough.rs
@@ -2,7 +2,7 @@ use m1_da_light_node_util::ir_blob::IntermediateBlobRepresentation;
 use std::fmt::{self, Debug, Formatter};
 use std::sync::Arc;
 use tokio_stream::{Stream, StreamExt};
-use tracing::{error, info};
+use tracing::{debug, error, info};
 
 use celestia_rpc::{BlobClient, Client, HeaderClient};
 use celestia_types::{blob::GasPrice, nmt::Namespace, Blob as CelestiaBlob};
@@ -258,7 +258,7 @@ where
 
 					while let Some(blob) = blob_stream.next().await {
 
-						info!("Stream got blob: {:?}", blob);
+						debug!("Stream got blob: {:?}", blob);
 
 						yield blob?;
 					}
@@ -269,7 +269,7 @@ where
 				let blobs = me.get_blobs_at_height(height).await?;
 				for blob in blobs {
 
-					info!("Stream got blob: {:?}", blob);
+					debug!("Stream got blob: {:?}", blob);
 
 					yield blob;
 				}
diff --git a/protocol-units/execution/opt-executor/src/gc_account_sequence_number.rs b/protocol-units/execution/opt-executor/src/gc_account_sequence_number.rs
index 3fa2278b8..7c1efee43 100644
--- a/protocol-units/execution/opt-executor/src/gc_account_sequence_number.rs
+++ b/protocol-units/execution/opt-executor/src/gc_account_sequence_number.rs
@@ -1,6 +1,6 @@
 use aptos_types::account_address::AccountAddress;
 use std::collections::{BTreeMap, HashMap};
-use tracing::info;
+use tracing::debug;
 
 pub struct UsedSequenceNumberPool {
 	/// The number of milliseconds a sequence number is valid for.
@@ -83,7 +83,7 @@ impl UsedSequenceNumberPool {
 			.cloned()
 			.collect();
 		for slot in slots_to_remove {
-			println!(
+			debug!(
 				"Garbage collecting sequence number slot {} with duration {} timestamp {}",
 				slot,
 				self.gc_slot_duration_ms,
diff --git a/protocol-units/execution/opt-executor/src/transaction_pipe.rs b/protocol-units/execution/opt-executor/src/transaction_pipe.rs
index b80c341b2..5f66137fc 100644
--- a/protocol-units/execution/opt-executor/src/transaction_pipe.rs
+++ b/protocol-units/execution/opt-executor/src/transaction_pipe.rs
@@ -154,7 +154,14 @@ impl TransactionPipe {
 		let committed_sequence_number =
 			vm_validator::get_account_sequence_number(&state_view, transaction.sender())?;
 
-		let min_sequence_number = (used_sequence_number + 1).max(committed_sequence_number);
+		debug!(
+			"Used sequence number: {:?} Committed sequence number: {:?}",
+			used_sequence_number, committed_sequence_number
+		);
+		let min_used_sequence_number =
+			if used_sequence_number > 0 { used_sequence_number + 1 } else { 0 };
+
+		let min_sequence_number = (min_used_sequence_number).max(committed_sequence_number);
 
 		let max_sequence_number = committed_sequence_number + TOO_NEW_TOLERANCE;
 
@@ -211,9 +218,12 @@ impl TransactionPipe {
 		match tx_result.status() {
 			Some(_) => {
 				let ms = MempoolStatus::new(MempoolStatusCode::VmError);
+				debug!("Transaction not accepted: {:?}", tx_result.status());
 				return Ok((ms, tx_result.status()));
 			}
-			None => {}
+			None => {
+				debug!("Transaction accepted by VM: {:?}", transaction);
+			}
 		}
 
 		let sequence_number = match self.has_invalid_sequence_number(&transaction)? {
@@ -478,7 +488,7 @@ mod tests {
 		let (mut transaction_pipe, mut _mempool_client_sender, _tx_receiver) = setup();
 
 		// submit a transaction with a valid sequence number
-		let user_transaction = create_signed_transaction(1, &maptos_config);
+		let user_transaction = create_signed_transaction(0, &maptos_config);
 		let (mempool_status, _) = transaction_pipe.submit_transaction(user_transaction).await?;
 		assert_eq!(mempool_status.code, MempoolStatusCode::Accepted);