diff --git a/proxy/common_neon/solana_interactor.py b/proxy/common_neon/solana_interactor.py
index aa6f3bd61..c84e65fed 100644
--- a/proxy/common_neon/solana_interactor.py
+++ b/proxy/common_neon/solana_interactor.py
@@ -135,13 +135,13 @@ def _send_rpc_batch_request(self, method: str, params_list: List[Any]) -> List[R
 
         return full_response_data
 
-    def get_signatures_for_address(self, before, until, commitment='confirmed'):
+    def get_signatures_for_address(self, before: Optional[str], limit: int, commitment='confirmed') -> []:
         opts: Dict[str, Union[int, str]] = {}
-        if until is not None:
-            opts["until"] = until
         if before is not None:
             opts["before"] = before
+        opts["limit"] = limit
         opts["commitment"] = commitment
+
         return self._send_rpc_request("getSignaturesForAddress", EVM_LOADER_ID, opts)
 
     def get_confirmed_transaction(self, sol_sign: str, encoding: str = "json"):
diff --git a/proxy/environment.py b/proxy/environment.py
index d43647ba1..5c539fd67 100644
--- a/proxy/environment.py
+++ b/proxy/environment.py
@@ -32,8 +32,7 @@
 FUZZING_BLOCKHASH = os.environ.get("FUZZING_BLOCKHASH", "NO") == "YES"
 CONFIRM_TIMEOUT = max(int(os.environ.get("CONFIRM_TIMEOUT", 10)), 10)
 PARALLEL_REQUESTS = int(os.environ.get("PARALLEL_REQUESTS", "2"))
-DEVNET_HISTORY_START = "7BdwyUQ61RUZP63HABJkbW66beLk22tdXnP69KsvQBJekCPVaHoJY47Rw68b3VV1UbQNHxX3uxUSLfiJrfy2bTn"
-HISTORY_START = [DEVNET_HISTORY_START]
+HISTORY_START = "7BdwyUQ61RUZP63HABJkbW66beLk22tdXnP69KsvQBJekCPVaHoJY47Rw68b3VV1UbQNHxX3uxUSLfiJrfy2bTn"
 START_SLOT = os.environ.get('START_SLOT', 0)
 FINALIZED = os.environ.get('FINALIZED', 'finalized')
 CANCEL_TIMEOUT = int(os.environ.get("CANCEL_TIMEOUT", "60"))
diff --git a/proxy/indexer/indexer_base.py b/proxy/indexer/indexer_base.py
index 23d511150..be060f22c 100644
--- a/proxy/indexer/indexer_base.py
+++ b/proxy/indexer/indexer_base.py
@@ -3,10 +3,12 @@
 import traceback
 from multiprocessing.dummy import Pool as ThreadPool
 from logged_groups import logged_group
+from typing import Optional
 
 from .trx_receipts_storage import TrxReceiptsStorage
 from .utils import MetricsToLogBuff
 from ..common_neon.solana_interactor import SolanaInteractor
+from ..indexer.sql_dict import SQLDict
 
 from ..environment import RETRY_ON_FAIL_ON_GETTING_CONFIRMED_TRANSACTION
 from ..environment import HISTORY_START, PARALLEL_REQUESTS, FINALIZED, EVM_LOADER_ID
@@ -19,11 +21,21 @@ def __init__(self,
                  last_slot: int):
         self.solana = solana
         self.transaction_receipts = TrxReceiptsStorage('transaction_receipts')
-        self.max_known_tx = self.transaction_receipts.max_known_trx()
         self.last_slot = self._init_last_slot('receipt', last_slot)
         self.current_slot = 0
         self.counter_ = 0
         self.count_log = MetricsToLogBuff()
+        self._constants = SQLDict(tablename="constants")
+        self._maximum_tx = self._get_maximum_tx()
+
+    def _get_maximum_tx(self) -> str:
+        if "maximum_tx" in self._constants:
+            return self._constants["maximum_tx"]
+        return ""
+
+    def _set_maximum_tx(self, tx: str):
+        self._maximum_tx = tx
+        self._constants["maximum_tx"] = tx
 
     def _init_last_slot(self, name: str, last_known_slot: int):
         """
@@ -66,12 +78,12 @@ def _init_last_slot(self, name: str, last_known_slot: int):
         return start_int_slot
 
     def run(self):
-        while (True):
+        while True:
             try:
                 self.process_functions()
             except Exception as err:
                 err_tb = "".join(traceback.format_tb(err.__traceback__))
-                self.warning('Exception on submitting transaction. ' +
+                self.warning('Exception on transactions processing. ' +
                              f'Type(err): {type(err)}, Error: {err}, Traceback: {err_tb}')
             time.sleep(1.0)
 
@@ -83,24 +95,26 @@ def gather_unknown_transactions(self):
         poll_txs = set()
 
         minimal_tx = None
+        maximum_tx = None
+        maximum_slot = None
         continue_flag = True
         current_slot = self.solana.get_slot(commitment=FINALIZED)["result"]
 
-        max_known_tx = self.max_known_tx
-
         counter = 0
         gathered_signatures = 0
-        while (continue_flag):
-            results = self._get_signatures(minimal_tx, self.max_known_tx[1])
-
-            if len(results) == 0:
+        while continue_flag:
+            results = self._get_signatures(minimal_tx, 1000)
+            len_results = len(results)
+            if len_results == 0:
                 break
 
             minimal_tx = results[-1]["signature"]
-            max_tx = (results[0]["slot"], results[0]["signature"])
-            max_known_tx = max(max_known_tx, max_tx)
+            if maximum_tx is None:
+                tx = results[0]
+                maximum_tx = tx["signature"]
+                maximum_slot = tx["slot"]
 
-            gathered_signatures += len(results)
+            gathered_signatures += len_results
             counter += 1
 
             for tx in results:
@@ -111,7 +125,7 @@ def gather_unknown_transactions(self):
                     continue_flag = False
                     break
 
-                if solana_signature in HISTORY_START:
+                if solana_signature in [ HISTORY_START, self._maximum_tx]:
                     self.debug(solana_signature)
                     continue_flag = False
                     break
@@ -124,17 +138,17 @@ def gather_unknown_transactions(self):
 
         self.current_slot = current_slot
         self.counter_ = 0
-        self.max_known_tx = max_known_tx
+        self._set_maximum_tx(maximum_tx)
 
         get_history_ms = (time.time() - start_time) * 1000  # convert this into milliseconds
         self.count_log.print(
             self.debug,
             list_params={"get_history_ms": get_history_ms, "gathered_signatures": gathered_signatures, "counter": counter},
-            latest_params={"max_known_tx": max_known_tx}
+            latest_params={"maximum_tx": maximum_tx, "maximum_slot": maximum_slot}
         )
 
-    def _get_signatures(self, before, until):
-        response = self.solana.get_signatures_for_address(before, until, FINALIZED)
+    def _get_signatures(self, before: Optional[str], limit: int) -> []:
+        response = self.solana.get_signatures_for_address(before, limit, FINALIZED)
         error = response.get('error')
         result = response.get('result', [])
         if error:
diff --git a/proxy/memdb/blocks_db.py b/proxy/memdb/blocks_db.py
index f89c427d9..7933065e5 100644
--- a/proxy/memdb/blocks_db.py
+++ b/proxy/memdb/blocks_db.py
@@ -48,9 +48,7 @@ def execute(self) -> bool:
         return False
 
     def _get_latest_db_block(self):
-        self.latest_db_block_slot = self._b.db.get_latest_block().slot
-        if not self.latest_db_block_slot:
-            self.latest_db_block_slot = self._b.solana.get_recent_blockslot(commitment=FINALIZED)
+        self.latest_db_block_slot = self._b.solana.get_recent_blockslot(commitment=FINALIZED)
 
     def _get_solana_block_list(self) -> bool:
         latest_db_slot = self.latest_db_block_slot
diff --git a/proxy/plugin/solana_rest_api.py b/proxy/plugin/solana_rest_api.py
index f151d8171..e02b72c15 100644
--- a/proxy/plugin/solana_rest_api.py
+++ b/proxy/plugin/solana_rest_api.py
@@ -42,7 +42,7 @@
 modelInstanceLock = threading.Lock()
 modelInstance = None
 
-NEON_PROXY_PKG_VERSION = '0.7.1-dev'
+NEON_PROXY_PKG_VERSION = '0.7.2-dev'
 NEON_PROXY_REVISION = 'NEON_PROXY_REVISION_TO_BE_REPLACED'