diff --git a/lib/ain-evm/src/evm.rs b/lib/ain-evm/src/evm.rs
index 66490edc4d..c43652e5f5 100644
--- a/lib/ain-evm/src/evm.rs
+++ b/lib/ain-evm/src/evm.rs
@@ -510,7 +510,7 @@ impl EVMServices {
             .tx_queues
             .push_in(queue_id, tx, hash, gas_used, state_root)?;
 
-        self.filters.add_tx_to_filters(signed_tx.transaction.hash());
+        self.filters.add_tx_to_filters(signed_tx.hash());
 
         Ok(())
     }
diff --git a/lib/ain-evm/src/executor.rs b/lib/ain-evm/src/executor.rs
index 9febf70f34..f580edce25 100644
--- a/lib/ain-evm/src/executor.rs
+++ b/lib/ain-evm/src/executor.rs
@@ -252,7 +252,7 @@ impl<'backend> AinExecutor<'backend> {
                     "[apply_queue_tx]receipt : {:?}, exit_reason {:#?} for signed_tx : {:#x}",
                     receipt,
                     tx_response.exit_reason,
-                    signed_tx.transaction.hash()
+                    signed_tx.hash()
                 );
 
                 let gas_fee =
@@ -326,7 +326,7 @@ impl<'backend> AinExecutor<'backend> {
                     "[apply_queue_tx] receipt : {:?}, exit_reason {:#?} for signed_tx : {:#x}, logs: {:x?}",
                     receipt,
                     tx_response.exit_reason,
-                    signed_tx.transaction.hash(),
+                    signed_tx.hash(),
                     tx_response.logs
                 );
 
@@ -401,7 +401,7 @@ impl<'backend> AinExecutor<'backend> {
                     "[apply_queue_tx] receipt : {:?}, exit_reason {:#?} for signed_tx : {:#x}, logs: {:x?}",
                     receipt,
                     tx_response.exit_reason,
-                    signed_tx.transaction.hash(),
+                    signed_tx.hash(),
                     tx_response.logs
                 );
 
diff --git a/lib/ain-evm/src/receipt.rs b/lib/ain-evm/src/receipt.rs
index a9f4f9f16c..3de9cb0f8d 100644
--- a/lib/ain-evm/src/receipt.rs
+++ b/lib/ain-evm/src/receipt.rs
@@ -83,7 +83,7 @@ impl ReceiptService {
                     receipt,
                     block_hash,
                     block_number,
-                    tx_hash: signed_tx.transaction.hash(),
+                    tx_hash: signed_tx.hash(),
                     from: signed_tx.sender,
                     to: signed_tx.to(),
                     tx_index: index,
diff --git a/lib/ain-evm/src/transaction/mod.rs b/lib/ain-evm/src/transaction/mod.rs
index 392609e62f..0dcce081a4 100644
--- a/lib/ain-evm/src/transaction/mod.rs
+++ b/lib/ain-evm/src/transaction/mod.rs
@@ -100,6 +100,7 @@ impl From<&LegacyTransaction> for LegacyUnsignedTransaction {
 pub struct SignedTx {
     pub transaction: TransactionV2,
     pub sender: H160,
+    hash_cache: Cell<Option<H256>>,
 }
 
 impl fmt::Debug for SignedTx {
@@ -180,6 +181,7 @@ impl TryFrom<TransactionV2> for SignedTx {
         Ok(SignedTx {
             transaction: src,
             sender: public_key_to_address(&pubkey),
+            hash_cache: Cell::new(None),
         })
     }
 }
@@ -318,11 +320,16 @@ impl SignedTx {
     }
 
     pub fn hash(&self) -> H256 {
-        match &self.transaction {
-            TransactionV2::Legacy(tx) => tx.hash(),
-            TransactionV2::EIP2930(tx) => tx.hash(),
-            TransactionV2::EIP1559(tx) => tx.hash(),
+        let h = &self.hash_cache;
+        if h.get().is_none() {
+            let val = match &self.transaction {
+                TransactionV2::Legacy(tx) => tx.hash(),
+                TransactionV2::EIP2930(tx) => tx.hash(),
+                TransactionV2::EIP1559(tx) => tx.hash(),
+            };
+            h.set(Some(val));
         }
+        h.get().unwrap()
     }
 
     pub fn get_tx_type(&self) -> U256 {
@@ -331,6 +338,7 @@ impl SignedTx {
 }
 
 use std::{
+    cell::Cell,
     cmp::min,
     convert::{TryFrom, TryInto},
     fmt,
diff --git a/lib/ain-grpc/src/rpc/eth.rs b/lib/ain-grpc/src/rpc/eth.rs
index 2cd340ca9f..7572a9121d 100644
--- a/lib/ain-grpc/src/rpc/eth.rs
+++ b/lib/ain-grpc/src/rpc/eth.rs
@@ -736,7 +736,7 @@ impl MetachainRPCServer for MetachainRPCModule {
                     );
                     debug!(target:"rpc",
                         "[send_raw_transaction] transaction hash : {:#x}",
-                        signed_tx.transaction.hash()
+                        signed_tx.hash()
                     );
 
                     if !self
@@ -751,7 +751,7 @@ impl MetachainRPCServer for MetachainRPCModule {
                         )));
                     }
 
-                    Ok(format!("{:#x}", signed_tx.transaction.hash()))
+                    Ok(format!("{:#x}", signed_tx.hash()))
                 } else {
                     debug!(target:"rpc", "[send_raw_transaction] Could not publish raw transaction: {tx} reason: {res_string}");
                     Err(Error::Custom(format!(
diff --git a/lib/ain-grpc/src/tests.rs b/lib/ain-grpc/src/tests.rs
index ad57190d49..87187d7386 100644
--- a/lib/ain-grpc/src/tests.rs
+++ b/lib/ain-grpc/src/tests.rs
@@ -124,7 +124,7 @@ fn should_get_transaction_by_hash() {
     handler.storage.put_block(block.clone());
 
     let input = EthGetTransactionByHashInput {
-        hash: format!("{:x}", signed_tx.transaction.hash()),
+        hash: format!("{:x}", signed_tx.hash()),
     };
 
     let res = EthService::Eth_GetTransactionByHash(handler.clone(), input.clone().into()).unwrap();
diff --git a/lib/ain-grpc/src/transaction.rs b/lib/ain-grpc/src/transaction.rs
index 97c043647d..7a7313a32c 100644
--- a/lib/ain-grpc/src/transaction.rs
+++ b/lib/ain-grpc/src/transaction.rs
@@ -32,7 +32,7 @@ impl From<SignedTx> for EthTransactionInfo {
         };
 
         EthTransactionInfo {
-            hash: format_h256(signed_tx.transaction.hash()),
+            hash: format_h256(signed_tx.hash()),
             from: format_address(signed_tx.sender),
             to: signed_tx.to().map(format_address),
             gas: format_u256(signed_tx.gas_limit()),