diff --git a/pallets/exodus/Cargo.toml b/pallets/exodus/Cargo.toml
index 98bc84a..42463e5 100644
--- a/pallets/exodus/Cargo.toml
+++ b/pallets/exodus/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-exodus"
-version = "0.0.10"
+version = "0.0.11"
 description = "Threshold signature generation with DKG included"
 license.workspace = true
 authors.workspace = true
diff --git a/pallets/exodus/src/lib.rs b/pallets/exodus/src/lib.rs
index cd7f1f6..3c51a05 100644
--- a/pallets/exodus/src/lib.rs
+++ b/pallets/exodus/src/lib.rs
@@ -2417,6 +2417,7 @@ impl<T: Config> Pallet<T> {
                 let mut number_of_leaked_keys = 0;
 
                 let qualified_indexes = dkg_qualification.get_indexes();
+                let total_authorities_len = qualified_indexes.count_ones::<usize>();
 
                 let mut failed_authorities = ParticipantsBitmap::<T>::empty_from(
                     &qualified_indexes,
@@ -2426,17 +2427,17 @@ impl<T: Config> Pallet<T> {
                     &qualified_indexes,
                 );
 
-                let mut complaints_matrix: BTreeMap<AuthIndex, ParticipantsBitmap<T>> =
-                    BTreeMap::new();
+                let mut complaints_matrix = vec![
+                    ParticipantsBitmap::<T>::empty_from(&qualified_indexes);
+                    total_authorities_len
+                ];
 
                 complaints_bitmap.iter().for_each(|(&accuser_index, offenders_bitmap)| {
-                    offenders_bitmap.iter().for_each(|offended_index| {
-                        complaints_matrix
-                            .entry(offended_index)
-                            .or_insert_with(|| {
-                                ParticipantsBitmap::<T>::empty_from(&qualified_indexes)
-                            })
-                            .insert(accuser_index);
+                    offenders_bitmap.iter().for_each(|offended_index: AuthIndex| {
+                        let idx = offended_index as usize;
+                        if idx >= complaints_matrix.len() { return; }
+
+                        complaints_matrix[idx].insert(accuser_index);
                     });
                 });
 
@@ -2447,13 +2448,17 @@ impl<T: Config> Pallet<T> {
                         number_of_leaked_keys.saturating_inc();
                     }
 
-                    if let Some(accusers_bitmap) = complaints_matrix.get(&offended_index) {
-                        let successful_justifications = accusers_bitmap & recipients_bitmap;
-                        let failed_to_justify = successful_justifications != *accusers_bitmap;
+                    let idx = offended_index as usize;
+                    if idx >= complaints_matrix.len() { return; }
 
-                        if failed_to_justify {
-                            failed_authorities.insert(offended_index);
-                        }
+                    let accusers_bitmap = &complaints_matrix[idx];
+                    if accusers_bitmap.is_empty() { return; }
+
+                    let successful_justifications = accusers_bitmap & recipients_bitmap;
+                    let failed_to_justify = successful_justifications != *accusers_bitmap;
+
+                    if failed_to_justify {
+                        failed_authorities.insert(offended_index);
                     }
                 });