diff --git a/config/protocol.mainnet.yml b/config/protocol.mainnet.yml
index 8c146186a..3fd8681e2 100644
--- a/config/protocol.mainnet.yml
+++ b/config/protocol.mainnet.yml
@@ -2,7 +2,7 @@ ProtocolConfiguration:
   Magic: 5195086
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
   - 03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c
   - 02df48f60e8f3e01c48ff40b9b7f1310d7a8b2a193188befe1c2e3df740e895093
   - 03b8d9d5771d8f513aa0869b9cc8d50986403b78c6da36890638c3d46a5adce04a
@@ -10,6 +10,7 @@ ProtocolConfiguration:
   - 024c7b7fb6c310fccf1ba33b082519d82964ea93868d676662d4a59ad548df0e7d
   - 02aaec38470f6aad0042c6e877cfd8087d2676b0f516fddd362801b9bd3936399e
   - 02486fd15702c4490a26703112a5cc1d0923fd697a33406bd5a1c00e0013b09a70
+  ValidatorsCount: 7
   SeedList:
   - seed1.neo.org:10333
   - seed2.neo.org:10333
diff --git a/config/protocol.privnet.docker.four.yml b/config/protocol.privnet.docker.four.yml
index cd75eb539..1dbe86087 100644
--- a/config/protocol.privnet.docker.four.yml
+++ b/config/protocol.privnet.docker.four.yml
@@ -2,11 +2,12 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
     - 02a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd62
+  ValidatorsCount: 4
   SeedList:
     - 172.200.0.1:20333
     - 172.200.0.2:20334
diff --git a/config/protocol.privnet.docker.one.yml b/config/protocol.privnet.docker.one.yml
index ab1bc4ba0..64ec31fd1 100644
--- a/config/protocol.privnet.docker.one.yml
+++ b/config/protocol.privnet.docker.one.yml
@@ -2,11 +2,12 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
     - 02a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd62
+  ValidatorsCount: 4
   SeedList:
     - 172.200.0.1:20333
     - 172.200.0.2:20334
diff --git a/config/protocol.privnet.docker.single.yml b/config/protocol.privnet.docker.single.yml
index e836404fb..44a787944 100644
--- a/config/protocol.privnet.docker.single.yml
+++ b/config/protocol.privnet.docker.single.yml
@@ -2,8 +2,9 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 1
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
+  ValidatorsCount: 1
   SeedList:
     - 172.200.0.1:20333
   VerifyBlocks: true
diff --git a/config/protocol.privnet.docker.three.yml b/config/protocol.privnet.docker.three.yml
index 74da6f1a1..1f02c5e76 100644
--- a/config/protocol.privnet.docker.three.yml
+++ b/config/protocol.privnet.docker.three.yml
@@ -2,11 +2,12 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
     - 02a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd62
+  ValidatorsCount: 4
   SeedList:
     - 172.200.0.1:20333
     - 172.200.0.2:20334
diff --git a/config/protocol.privnet.docker.two.yml b/config/protocol.privnet.docker.two.yml
index 7135bb3df..d16905874 100644
--- a/config/protocol.privnet.docker.two.yml
+++ b/config/protocol.privnet.docker.two.yml
@@ -2,11 +2,12 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
     - 02a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd62
+  ValidatorsCount: 4
   SeedList:
     - 172.200.0.1:20333
     - 172.200.0.2:20334
diff --git a/config/protocol.privnet.yml b/config/protocol.privnet.yml
index e17824f13..97390210b 100644
--- a/config/protocol.privnet.yml
+++ b/config/protocol.privnet.yml
@@ -2,7 +2,7 @@ ProtocolConfiguration:
   Magic: 56753
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
diff --git a/config/protocol.testnet.yml b/config/protocol.testnet.yml
index 7463f899b..a2caa370d 100644
--- a/config/protocol.testnet.yml
+++ b/config/protocol.testnet.yml
@@ -2,7 +2,7 @@ ProtocolConfiguration:
   Magic: 1951352142
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
   - 023e9b32ea89b94d066e649b124fd50e396ee91369e8e2a6ae1b11c170d022256d
   - 03009b7540e10f2562e5fd8fac9eaec25166a58b26e412348ff5a86927bfac22a2
   - 02ba2c70f5996f357a43198705859fae2cfea13e1172962800772b3d588a9d4abd
@@ -10,6 +10,7 @@ ProtocolConfiguration:
   - 02a7834be9b32e2981d157cb5bbd3acb42cfd11ea5c3b10224d7a44e98c5910f1b
   - 0214baf0ceea3a66f17e7e1e839ea25fd8bed6cd82e6bb6e68250189065f44ff01
   - 030205e9cefaea5a1dfc580af20c8d5aa2468bb0148f1a5e4605fc622c80e604ba
+  ValidatorsCount: 7
   SeedList:
   - seed1t.neo.org:20333
   - seed2t.neo.org:20333
diff --git a/config/protocol.unit_testnet.yml b/config/protocol.unit_testnet.yml
index 48d370848..94f465989 100644
--- a/config/protocol.unit_testnet.yml
+++ b/config/protocol.unit_testnet.yml
@@ -2,7 +2,7 @@ ProtocolConfiguration:
   Magic: 42
   SecondsPerBlock: 15
   MemPoolSize: 50000
-  StandbyValidators:
+  StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
     - 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
     - 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
diff --git a/pkg/config/protocol_config.go b/pkg/config/protocol_config.go
index 45f880bf7..64969135d 100644
--- a/pkg/config/protocol_config.go
+++ b/pkg/config/protocol_config.go
@@ -10,11 +10,11 @@ type (
 		Magic       netmode.Magic `yaml:"Magic"`
 		MemPoolSize int           `yaml:"MemPoolSize"`
 		// SaveStorageBatch enables storage batch saving before every persist.
-		SaveStorageBatch  bool     `yaml:"SaveStorageBatch"`
-		SecondsPerBlock   int      `yaml:"SecondsPerBlock"`
-		SeedList          []string `yaml:"SeedList"`
-		StandbyValidators []string `yaml:"StandbyValidators"`
-		ValidatorsCount   int      `yaml:"ValidatorsCount"`
+		SaveStorageBatch bool     `yaml:"SaveStorageBatch"`
+		SecondsPerBlock  int      `yaml:"SecondsPerBlock"`
+		SeedList         []string `yaml:"SeedList"`
+		StandbyCommittee []string `yaml:"StandbyCommittee"`
+		ValidatorsCount  int      `yaml:"ValidatorsCount"`
 		// Whether to verify received blocks.
 		VerifyBlocks bool `yaml:"VerifyBlocks"`
 		// Whether to verify transactions in received blocks.
diff --git a/pkg/core/helper_test.go b/pkg/core/helper_test.go
index 51c2a8550..6aad4e04b 100644
--- a/pkg/core/helper_test.go
+++ b/pkg/core/helper_test.go
@@ -394,7 +394,7 @@ func addSigners(txs ...*transaction.Transaction) {
 
 func signTx(bc *Blockchain, txs ...*transaction.Transaction) error {
 	validators := bc.GetStandByValidators()
-	rawScript, err := smartcontract.CreateMultiSigRedeemScript(len(bc.config.StandbyValidators)/2+1, validators)
+	rawScript, err := smartcontract.CreateMultiSigRedeemScript(bc.config.ValidatorsCount/2+1, validators)
 	if err != nil {
 		return errors.Wrap(err, "fail to sign tx")
 	}
diff --git a/pkg/core/util.go b/pkg/core/util.go
index a906de28e..72f555523 100644
--- a/pkg/core/util.go
+++ b/pkg/core/util.go
@@ -1,6 +1,7 @@
 package core
 
 import (
+	"errors"
 	"time"
 
 	"github.com/nspcc-dev/neo-go/pkg/config"
@@ -94,9 +95,12 @@ func deployNativeContracts(magic netmode.Magic) *transaction.Transaction {
 }
 
 func validatorsFromConfig(cfg config.ProtocolConfiguration) ([]*keys.PublicKey, error) {
-	validators := make([]*keys.PublicKey, len(cfg.StandbyValidators))
-	for i, pubKeyStr := range cfg.StandbyValidators {
-		pubKey, err := keys.NewPublicKeyFromString(pubKeyStr)
+	if len(cfg.StandbyCommittee) < cfg.ValidatorsCount {
+		return nil, errors.New("validators count can be less than the size of StandbyCommittee")
+	}
+	validators := make([]*keys.PublicKey, cfg.ValidatorsCount)
+	for i := range validators {
+		pubKey, err := keys.NewPublicKeyFromString(cfg.StandbyCommittee[i])
 		if err != nil {
 			return nil, err
 		}