diff --git a/services/chain/protocol.privnet.yml b/services/chain/protocol.privnet.yml
index 468397c..a9e36b5 100644
--- a/services/chain/protocol.privnet.yml
+++ b/services/chain/protocol.privnet.yml
@@ -9,6 +9,7 @@ ProtocolConfiguration:
     - 172.200.0.1:20333
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: true
 
 ApplicationConfiguration:
   DBConfiguration:
@@ -49,3 +50,8 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "./wallets/node-wallet.json"
       Password: "one"
+  P2PNotary:
+    Enabled: true
+    UnlockWallet:
+      Path: "./wallets/node-wallet.json"
+      Password: "one"