diff --git a/pallets/exodus/Cargo.toml b/pallets/exodus/Cargo.toml
index a6ee67e..101c19f 100644
--- a/pallets/exodus/Cargo.toml
+++ b/pallets/exodus/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-exodus"
-version = "0.0.18"
+version = "0.0.19"
 description = "Threshold signature generation with DKG included"
 license.workspace = true
 authors.workspace = true
diff --git a/pallets/exodus/src/benchmarking.rs b/pallets/exodus/src/benchmarking.rs
index fcf8949..e9f1064 100644
--- a/pallets/exodus/src/benchmarking.rs
+++ b/pallets/exodus/src/benchmarking.rs
@@ -352,11 +352,8 @@ mod benchmarks {
                 dummy_verifying_key,
             ).expect("Bounded verifying key should be correct");
 
-        let metadata_hashes = [
-            SubstrateBlake2Hasher::hash(dummy_merkle_root.as_ref()),
-            SubstrateBlake2Hasher::hash(bounded_verifying_key.as_ref()),
-        ];
-        let verifying_hash = sequential_hash::<SubstrateBlake2Hasher, _>(metadata_hashes);
+        let metadata_hashes = [dummy_merkle_root.as_ref(), bounded_verifying_key.as_ref()];
+        let verifying_hash = cumulative_hash::<SubstrateBlake2Hasher, _>(metadata_hashes);
 
         let verification_key = (network_curve, dkg_index, verifying_hash);
         let participants = Verifications::<T>::get(verification_key);
diff --git a/pallets/exodus/src/lib.rs b/pallets/exodus/src/lib.rs
index e879e24..54bcf19 100644
--- a/pallets/exodus/src/lib.rs
+++ b/pallets/exodus/src/lib.rs
@@ -31,7 +31,7 @@ use sp_io::hashing::blake2_256;
 
 use ghost_helpers::{
     get_byzantium_quorum_threshold, SubstrateBlake2Hasher,
-    hash_chain::{cumulative_hash, sequential_hash},
+    hash_chain::cumulative_hash,
     networks::{NetworkData, NetworkCurve, NetworkType},
     bounded_bitmap::{validate_bitmap_sizes, BoundedBitmap},
 };
@@ -40,7 +40,6 @@ use ghost_helpers::{
 use ghost_traits::exodus::IdentifierConverter;
 
 use ghost_traits::{
-    hashing::GhostHasher,
     bounded_bitmap::{
         BoundedBitmapGenerator, BoundedBitmapWriter, BoundedBitmapReader,
         BoundedBitmapIterable,
@@ -1254,11 +1253,9 @@ pub mod pallet {
                 return Err(Error::<T>::Round5PackageInvalidProof.into());
             };
 
-            let metadata_hashes = [
-                SubstrateBlake2Hasher::hash(round5.merkle_root.as_ref()),
-                SubstrateBlake2Hasher::hash(round5.verifying_key.as_ref()),
-            ];
-            let verifying_hash = sequential_hash::<SubstrateBlake2Hasher, _>(metadata_hashes);
+            let metadata_hashes = [round5.merkle_root.as_ref(), round5.verifying_key.as_ref()];
+            let verifying_hash = cumulative_hash::<SubstrateBlake2Hasher, _>(metadata_hashes);
+
             let state = QualificationDkgState::<T>::get(&network_curve);
             ensure!(state.is_fifth_phase(), Error::<T>::DkgWrongRound);