diff --git a/pybtc/connector/block_loader.py b/pybtc/connector/block_loader.py
index a628306..4b3349f 100644
--- a/pybtc/connector/block_loader.py
+++ b/pybtc/connector/block_loader.py
@@ -209,8 +209,8 @@ class Worker:
         self.loop.set_default_executor(ThreadPoolExecutor(20))
         self.out_writer = out_writer
         self.in_reader = in_reader
-        self.coins = MRU(100000)
-        self.destroyed_coins = MRU(100000)
+        self.coins = MRU(500000)
+        self.destroyed_coins = MRU(500000)
         signal.signal(signal.SIGTERM, self.terminate)
         self.loop.create_task(self.message_loop())
         self.loop.run_forever()
@@ -296,7 +296,7 @@ class Worker:
                     self.rpc_batch_limit = bytes_to_int(msg)
                     continue
         except:
-            self.log.critical("exc")
+            pass