diff --git a/config/protocol.mainnet.yml b/config/protocol.mainnet.yml
index 302717b7f..53070ff55 100644
--- a/config/protocol.mainnet.yml
+++ b/config/protocol.mainnet.yml
@@ -1,5 +1,5 @@
 ProtocolConfiguration:
-  Magic: 7630401
+  Magic: 5195086
   AddressVersion: 23
   SecondsPerBlock: 15
   LowPriorityThreshold: 0.001
@@ -13,16 +13,11 @@ ProtocolConfiguration:
   - 02aaec38470f6aad0042c6e877cfd8087d2676b0f516fddd362801b9bd3936399e
   - 02486fd15702c4490a26703112a5cc1d0923fd697a33406bd5a1c00e0013b09a70
   SeedList:
-  - seed1.ngd.network:10333
-  - seed2.ngd.network:10333
-  - seed3.ngd.network:10333
-  - seed4.ngd.network:10333
-  - seed5.ngd.network:10333
-  - seed6.ngd.network:10333
-  - seed7.ngd.network:10333
-  - seed8.ngd.network:10333
-  - seed9.ngd.network:10333
-  - seed10.ngd.network:10333
+  - seed1.neo.org:10333
+  - seed2.neo.org:10333
+  - seed3.neo.org:10333
+  - seed4.neo.org:10333
+  - seed5.neo.org:10333
   SystemFee:
     IssueTransaction: 500
     RegisterTransaction: 10000
diff --git a/config/protocol.testnet.yml b/config/protocol.testnet.yml
index 4a483bfcc..50b857115 100644
--- a/config/protocol.testnet.yml
+++ b/config/protocol.testnet.yml
@@ -1,28 +1,23 @@
 ProtocolConfiguration:
-  Magic: 1953787457
+  Magic: 1951352142
   AddressVersion: 23
   SecondsPerBlock: 15
   LowPriorityThreshold: 0.000
   MemPoolSize: 50000
   StandbyValidators:
-  - 0327da12b5c40200e9f65569476bbff2218da4f32548ff43b6387ec1416a231ee8
-  - 026ce35b29147ad09e4afe4ec4a7319095f08198fa8babbe3c56e970b143528d22
-  - 0209e7fd41dfb5c2f8dc72eb30358ac100ea8c72da18847befe06eade68cebfcb9
-  - 039dafd8571a641058ccc832c5e2111ea39b09c0bde36050914384f7a48bce9bf9
-  - 038dddc06ce687677a53d54f096d2591ba2302068cf123c1f2d75c2dddc5425579
-  - 02d02b1873a0863cd042cc717da31cea0d7cf9db32b74d4c72c01b0011503e2e22
-  - 034ff5ceeac41acf22cd5ed2da17a6df4dd8358fcb2bfb1a43208ad0feaab2746b
+  - 023e9b32ea89b94d066e649b124fd50e396ee91369e8e2a6ae1b11c170d022256d
+  - 03009b7540e10f2562e5fd8fac9eaec25166a58b26e412348ff5a86927bfac22a2
+  - 02ba2c70f5996f357a43198705859fae2cfea13e1172962800772b3d588a9d4abd
+  - 03408dcd416396f64783ac587ea1e1593c57d9fea880c8a6a1920e92a259477806
+  - 02a7834be9b32e2981d157cb5bbd3acb42cfd11ea5c3b10224d7a44e98c5910f1b
+  - 0214baf0ceea3a66f17e7e1e839ea25fd8bed6cd82e6bb6e68250189065f44ff01
+  - 030205e9cefaea5a1dfc580af20c8d5aa2468bb0148f1a5e4605fc622c80e604ba
   SeedList:
-  - seed1.ngd.network:20333
-  - seed2.ngd.network:20333
-  - seed3.ngd.network:20333
-  - seed4.ngd.network:20333
-  - seed5.ngd.network:20333
-  - seed6.ngd.network:20333
-  - seed7.ngd.network:20333
-  - seed8.ngd.network:20333
-  - seed9.ngd.network:20333
-  - seed10.ngd.network:20333
+  - seed1t.neo.org:20333
+  - seed2t.neo.org:20333
+  - seed3t.neo.org:20333
+  - seed4t.neo.org:20333
+  - seed5t.neo.org:20333
   SystemFee:
     IssueTransaction: 5
     RegisterTransaction: 100