diff --git a/pisa/sample_conf.py b/pisa/sample_conf.py
index 71e64a0..8d08590 100644
--- a/pisa/sample_conf.py
+++ b/pisa/sample_conf.py
@@ -5,6 +5,10 @@ BTC_RPC_HOST = "localhost"
 BTC_RPC_PORT = 18443
 BTC_NETWORK = "regtest"
 
+# CHAIN MONITOR
+POLLING_DELTA = 60
+BLOCK_WINDOW_SIZE = 10
+
 # ZMQ
 FEED_PROTOCOL = "tcp"
 FEED_ADDR = "127.0.0.1"