diff --git a/trace_decoder/src/core.rs b/trace_decoder/src/core.rs
index 9e8088dda..cf93f6b35 100644
--- a/trace_decoder/src/core.rs
+++ b/trace_decoder/src/core.rs
@@ -347,6 +347,7 @@ fn middle<StateTrieT: StateTrie + Clone>(
         }
 
         for txn in batch {
+            println!(">>>>>>>>>>>>>> Txn index: {}", txn_ix);
             let do_increment_txn_ix = txn.is_some();
             let TxnInfo {
                 traces,
@@ -426,6 +427,15 @@ fn middle<StateTrieT: StateTrie + Clone>(
 
                 if do_writes {
                     acct.balance = balance.unwrap_or(acct.balance);
+                    //*******************************************************************
+                    // >>>>>>>>>>> DEBUG: Introduce error in the trie diff simulation
+                    println!("Address: {addr:x}, txn_ix: {txn_ix}");
+                    let addressdebug = "0x".to_string()+ &hex::encode(addr.0);
+                    if addressdebug.eq("0x71f755898886f79efa73334450f05a824faeae02") {
+                        println!(">>>>>>>> I have found address and making a change!");
+                        acct.balance = acct.balance+U256::from(1);
+                    }
+                    //*******************************************************************
                     acct.nonce = nonce.unwrap_or(acct.nonce);
                     acct.code_hash = code_usage
                         .map(|it| match it {
@@ -485,7 +495,6 @@ fn middle<StateTrieT: StateTrie + Clone>(
                   // the transaction calling them reverted.
             }
 
-            println!("Txn index: {}", txn_ix);
             if do_increment_txn_ix {
                 txn_ix += 1;
             }
diff --git a/zero/src/bin/trie_diff.rs b/zero/src/bin/trie_diff.rs
index 26dd0235d..8c8dfb33f 100644
--- a/zero/src/bin/trie_diff.rs
+++ b/zero/src/bin/trie_diff.rs
@@ -8,6 +8,8 @@ use clap::{Parser, ValueHint};
 use futures::{future, TryStreamExt};
 use paladin::directive::{Directive, IndexedStream};
 use paladin::runtime::Runtime;
+use tracing::info;
+use mpt_trie::partial_trie::PartialTrie;
 use trace_decoder::observer::TriesObserver;
 use zero::ops::register;
 use zero::prover::{cli::CliProverConfig, BlockProverInput, ProverConfig};
@@ -75,10 +77,9 @@ async fn main() -> Result<()> {
             prover_config.batch_size,
             &mut observer,
         )?;
+        info!("Collected batch tries: {}", observer.data.len());
 
-        println!("Collected batch execution tries: {}", observer.data.len());
-        //println!(">>> tries: {:?}", observer.data);
-
+        info!("Running trie diff simulation...");
         let simulation = Directive::map(
             IndexedStream::from(
                 block_generation_inputs
@@ -98,6 +99,7 @@ async fn main() -> Result<()> {
             println!("This is error 2 {e2}");
         }
 
+        info!("Trie diff finished, no problems found.")
         //trie_diff::diff::compare_tries(block_generation_inputs, ... )
     }