diff --git a/src/confirmation_strategies.rs b/src/confirmation_strategies.rs
index 6f0e7b0..ed340bc 100644
--- a/src/confirmation_strategies.rs
+++ b/src/confirmation_strategies.rs
@@ -186,6 +186,9 @@ pub fn confirmation_by_lite_rpc_notification_stream(
 
                             match notification {
                                 NotificationMsg::BlockNotificationMsg(block_notification) => {
+                                    if block_notification.commitment != CommitmentLevel::Finalized {
+                                        continue;
+                                    }
                                     let _ = tx_block_data.send(BlockData {
                                         block_hash: block_notification.blockhash.to_string(),
                                         block_leader: block_notification.block_leader,
@@ -194,12 +197,15 @@ pub fn confirmation_by_lite_rpc_notification_stream(
                                         number_of_mm_transactions: block_notification.transaction_found,
                                         total_transactions: block_notification.total_transactions,
                                         cu_consumed: block_notification.total_cu_consumed,
-                                        cu_consumed_by_simulations: block_notification.cu_consumed_by_txs,
                                     });
                                 }
                                 NotificationMsg::UpdateTransactionMsg(tx_update_notifications) => {
 
                                     for tx_notification in tx_update_notifications {
+                                        if tx_notification.commitment != CommitmentLevel::Finalized {
+                                            continue;
+                                        }
+                                        
                                         if let Some(value) = transaction_map.get(&tx_notification.signature) {
                                             let (tx_sent_record, _) = value.clone();
                                             let error = match &tx_notification.transaction_status {
diff --git a/src/main.rs b/src/main.rs
index 3338dc5..51531c7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -153,13 +153,14 @@ pub async fn main() -> anyhow::Result<()> {
 
     let nb_rpc_client = Arc::new(NbRpcClient::new_with_commitment(
         json_rpc_url.to_string(),
-        CommitmentConfig::confirmed(),
+        CommitmentConfig::finalized(),
     ));
 
     let tx_store = empty_tx_store();
     let block_store = BlockStore::new(&nb_rpc_client)
         .await
         .expect("Blockstore should be created");
+
     let (notif_sx, notif_rx) = unbounded_channel();
     let (transaction_service, tx_service_jh) = configure_transaction_service(
         nb_rpc_client.clone(),
diff --git a/src/states.rs b/src/states.rs
index 9fbad6a..44e2abd 100644
--- a/src/states.rs
+++ b/src/states.rs
@@ -102,5 +102,4 @@ pub struct BlockData {
     pub number_of_mm_transactions: u64,
     pub block_time: u64,
     pub cu_consumed: u64,
-    pub cu_consumed_by_simulations: u64,
 }
diff --git a/src/tpu_manager.rs b/src/tpu_manager.rs
index fdbb872..63927ff 100644
--- a/src/tpu_manager.rs
+++ b/src/tpu_manager.rs
@@ -47,10 +47,15 @@ impl TpuManager {
         }
         let transaction = bincode::serialize(transaction).unwrap();
 
-        self.transaction_service
+        let res = self.transaction_service
             .send_transaction(transaction, None)
-            .await
-            .is_ok()
+            .await;
+
+        if let Err(e) = &res{
+            print!("error sending txs on custom tpu {e:?}");
+        }
+        res.is_ok()
+            
     }
 
     pub async fn send_transaction_batch(