diff --git a/config/protocol.mainnet.yml b/config/protocol.mainnet.yml
index 347a16187..39e856cbb 100644
--- a/config/protocol.mainnet.yml
+++ b/config/protocol.mainnet.yml
@@ -20,6 +20,7 @@ ProtocolConfiguration:
   - seed5.neo.org:10333
   VerifyBlocks: true
   VerifyTransactions: false
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -50,6 +51,11 @@ ApplicationConfiguration:
   MinPeers: 5
   Oracle:
     Enabled: false
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
 
   RPC:
     Enabled: true
diff --git a/config/protocol.privnet.docker.four.yml b/config/protocol.privnet.docker.four.yml
index 4ef5c7714..0d801a219 100644
--- a/config/protocol.privnet.docker.four.yml
+++ b/config/protocol.privnet.docker.four.yml
@@ -16,6 +16,7 @@ ProtocolConfiguration:
     - 172.200.0.4:20336
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -55,6 +56,11 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "/wallet4.json"
       Password: "four"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.privnet.docker.one.yml b/config/protocol.privnet.docker.one.yml
index 1e54251df..fda02afe5 100644
--- a/config/protocol.privnet.docker.one.yml
+++ b/config/protocol.privnet.docker.one.yml
@@ -16,6 +16,7 @@ ProtocolConfiguration:
     - 172.200.0.4:20336
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -55,6 +56,11 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "/wallet1.json"
       Password: "one"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.privnet.docker.single.yml b/config/protocol.privnet.docker.single.yml
index 5896d816a..b091cc272 100644
--- a/config/protocol.privnet.docker.single.yml
+++ b/config/protocol.privnet.docker.single.yml
@@ -10,6 +10,7 @@ ProtocolConfiguration:
     - 172.200.0.1:20333
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -46,6 +47,11 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "/wallet1_solo.json"
       Password: "one"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     EnableCORSWorkaround: false
diff --git a/config/protocol.privnet.docker.three.yml b/config/protocol.privnet.docker.three.yml
index e8f182c6d..883c21c7f 100644
--- a/config/protocol.privnet.docker.three.yml
+++ b/config/protocol.privnet.docker.three.yml
@@ -16,6 +16,7 @@ ProtocolConfiguration:
     - 172.200.0.4:20336
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -55,6 +56,11 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "/wallet3.json"
       Password: "three"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.privnet.docker.two.yml b/config/protocol.privnet.docker.two.yml
index 19470e4d9..5a2835531 100644
--- a/config/protocol.privnet.docker.two.yml
+++ b/config/protocol.privnet.docker.two.yml
@@ -16,6 +16,7 @@ ProtocolConfiguration:
     - 172.200.0.4:20336
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -55,6 +56,11 @@ ApplicationConfiguration:
     UnlockWallet:
       Path: "/wallet2.json"
       Password: "two"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.privnet.yml b/config/protocol.privnet.yml
index 7b8ebae67..dd27fc1e4 100644
--- a/config/protocol.privnet.yml
+++ b/config/protocol.privnet.yml
@@ -16,6 +16,7 @@ ProtocolConfiguration:
     - 127.0.0.1:20336
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -44,6 +45,11 @@ ApplicationConfiguration:
   MaxPeers: 10
   AttemptConnPeers: 5
   MinPeers: 3
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.testnet.yml b/config/protocol.testnet.yml
index fb4cc59e0..9e5fe247e 100644
--- a/config/protocol.testnet.yml
+++ b/config/protocol.testnet.yml
@@ -20,6 +20,7 @@ ProtocolConfiguration:
   - seed5t.neo.org:20333
   VerifyBlocks: true
   VerifyTransactions: false
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -50,7 +51,11 @@ ApplicationConfiguration:
   MinPeers: 5
   Oracle:
     Enabled: false
-
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Enabled: true
     MaxGasInvoke: 15
diff --git a/config/protocol.unit_testnet.single.yml b/config/protocol.unit_testnet.single.yml
index 966780345..be3daf0dc 100644
--- a/config/protocol.unit_testnet.single.yml
+++ b/config/protocol.unit_testnet.single.yml
@@ -8,6 +8,7 @@ ProtocolConfiguration:
   ValidatorsCount: 1
   VerifyBlocks: true
   VerifyTransactions: true
+  P2PSigExtensions: false
 
 ApplicationConfiguration:
   # LogPath could be set up in case you need stdout logs to some proper file.
@@ -39,6 +40,11 @@ ApplicationConfiguration:
   UnlockWallet:
       Path: "testdata/wallet1_solo.json"
       Password: "one"
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Address: 127.0.0.1
     MaxGasInvoke: 15
diff --git a/config/protocol.unit_testnet.yml b/config/protocol.unit_testnet.yml
index 966656350..5c7fcdb39 100644
--- a/config/protocol.unit_testnet.yml
+++ b/config/protocol.unit_testnet.yml
@@ -46,6 +46,11 @@ ApplicationConfiguration:
   MaxPeers: 50
   AttemptConnPeers: 5
   MinPeers: 1
+  P2PNotary:
+    Enabled: false
+    UnlockWallet:
+      Path: "/notary_wallet.json"
+      Password: "pass"
   RPC:
     Address: 127.0.0.1
     MaxGasInvoke: 15