diff --git a/proxy/plugin/solana_rest_api.py b/proxy/plugin/solana_rest_api.py
index 115ef7d16..a3e2489b6 100644
--- a/proxy/plugin/solana_rest_api.py
+++ b/proxy/plugin/solana_rest_api.py
@@ -21,7 +21,7 @@
 from ..http.server import HttpWebServerBasePlugin, httpProtocolTypes
 from .eth_proto import Trx as EthTrx
 from solana.rpc.api import Client as SolanaClient
-from sha3 import keccak_256, shake_256
+from sha3 import keccak_256
 import base58
 import traceback
 import threading
@@ -49,15 +49,15 @@ class PermanentAccounts:
     def __init__(self, client, signer, proxy_id):
         self.operator = signer.public_key()
         self.operator_token = getTokenAddr(self.operator)
+        self.proxy_id = proxy_id
 
         proxy_id_bytes = proxy_id.to_bytes((proxy_id.bit_length() + 7) // 8, 'big')
-        signer_public_key_bytes = bytes(signer.public_key())
 
-        storage_seed = shake_256(b"storage" + proxy_id_bytes + signer_public_key_bytes).hexdigest(16)
+        storage_seed = keccak_256(b"storage" + proxy_id_bytes).hexdigest()[:32]
         storage_seed = bytes(storage_seed, 'utf8')
         self.storage = create_account_with_seed(client, funding=signer, base=signer, seed=storage_seed, storage_size=STORAGE_SIZE)
 
-        holder_seed = shake_256(b"holder" + proxy_id_bytes + signer_public_key_bytes).hexdigest(16)
+        holder_seed = keccak_256(b"holder" + proxy_id_bytes).hexdigest()[:32]
         holder_seed = bytes(holder_seed, 'utf8')
         self.holder = create_account_with_seed(client, funding=signer, base=signer, seed=holder_seed, storage_size=STORAGE_SIZE)
 
diff --git a/proxy/plugin/solana_rest_api_tools.py b/proxy/plugin/solana_rest_api_tools.py
index a46fab3cd..8e1011e80 100644
--- a/proxy/plugin/solana_rest_api_tools.py
+++ b/proxy/plugin/solana_rest_api_tools.py
@@ -94,7 +94,6 @@
     AccountMeta(pubkey=sysvarclock, is_signer=False, is_writable=False),
 ]
 
-
 class TransactionAccounts:
     def __init__(self, caller_token, eth_accounts):
         self.caller_token = caller_token
@@ -118,10 +117,11 @@ def create_account_layout(lamports, space, ether, nonce):
         nonce=nonce
     ))
 
-def write_layout(offset, data):
-    return (bytes.fromhex("00000000")+
-            offset.to_bytes(4, byteorder="little")+
-            len(data).to_bytes(8, byteorder="little")+
+def write_holder_layout(nonce, offset, data):
+    return (bytes.fromhex('12')+
+            nonce.to_bytes(8, byteorder='little')+
+            offset.to_bytes(4, byteorder='little')+
+            len(data).to_bytes(8, byteorder='little')+
             data)
 
 def accountWithSeed(base, seed, program):
@@ -1059,7 +1059,7 @@ def call_signed_noniterative(signer, client, ethTrx, perm_accs, trx_accs, msg, c
 
 def call_signed_with_holder_acc(signer, client, ethTrx, perm_accs, trx_accs, steps, create_acc_trx):
 
-    write_trx_to_holder_account(signer, client, perm_accs.holder, ethTrx)
+    write_trx_to_holder_account(signer, client, perm_accs.holder, perm_accs.proxy_id, ethTrx)
 
     if len(create_acc_trx.instructions):
         precall_txs = Transaction()
@@ -1142,7 +1142,7 @@ def createERC20TokenAccountTrx(signer, token_info):
 
 
 
-def write_trx_to_holder_account(signer, client, holder, ethTrx):
+def write_trx_to_holder_account(signer, client, holder, proxy_id, ethTrx):
     msg = ethTrx.signature() + len(ethTrx.unsigned_msg()).to_bytes(8, byteorder="little") + ethTrx.unsigned_msg()
 
     # Write transaction to transaction holder account
@@ -1154,7 +1154,7 @@ def write_trx_to_holder_account(signer, client, holder, ethTrx):
         trx = Transaction()
         # logger.debug("sender_sol %s %s %s", sender_sol, holder, acc.public_key())
         trx.add(TransactionInstruction(program_id=evm_loader_id,
-                                       data=write_layout(offset, part),
+                                       data=write_holder_layout(proxy_id, offset, part),
                                        keys=[
                                            AccountMeta(pubkey=holder, is_signer=False, is_writable=True),
                                            AccountMeta(pubkey=signer.public_key(), is_signer=True, is_writable=False),
@@ -1167,7 +1167,6 @@ def write_trx_to_holder_account(signer, client, holder, ethTrx):
         confirm_transaction(client, rcpt)
         logger.debug("confirmed: %s", rcpt)
 
-
 def _getAccountData(client, account, expected_length, owner=None):
     info = client.get_account_info(account, commitment=Confirmed)['result']['value']
     if info is None: