diff --git a/src/main/resources/blockchain.json b/src/main/resources/blockchain.json
index fad81ab5..e9f1500d 100644
--- a/src/main/resources/blockchain.json
+++ b/src/main/resources/blockchain.json
@@ -24,7 +24,7 @@
 	"onlineAccountSignaturesMinLifetime": 43200000,
 	"onlineAccountSignaturesMaxLifetime": 86400000,
 	"onlineAccountsModulusV2Timestamp": 1659801600000,
-	"onlineAccountsMemoryPoWTimestamp": 9999999999999,
+	"onlineAccountsMemoryPoWTimestamp": 1666454400000,
 	"rewardsByHeight": [
 		{ "height": 1, "reward": 5.00 },
 		{ "height": 259201, "reward": 4.75 },