diff --git a/consensus/consensus.go b/consensus/consensus.go
index a6f3eb1d7..914e4d7c5 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -45,6 +45,9 @@ type Consensus struct {
 	// How long to delay sending commit messages.
 	delayCommit time.Duration
 
+	// Consensus rounds whose commit phase finished
+	commitFinishChan chan uint32
+
 	// 2 types of timeouts: normal and viewchange
 	consensusTimeout map[TimeoutType]*utils.Timeout
 
@@ -189,6 +192,12 @@ func (consensus *Consensus) Quorum() int {
 	return len(consensus.PublicKeys)*2/3 + 1
 }
 
+// RewardThreshold returns the threshold to stop accepting commit messages
+// when leader receives enough signatures for block reward
+func (consensus *Consensus) RewardThreshold() int {
+	return len(consensus.PublicKeys) * 9 / 10
+}
+
 // StakeInfoFinder finds the staking account for the given consensus key.
 type StakeInfoFinder interface {
 	// FindStakeInfoByNodeKey returns a list of staking information matching
@@ -245,6 +254,7 @@ func New(host p2p.Host, ShardID uint32, leader p2p.Peer, blsPriKey *bls.SecretKe
 
 	consensus.MsgChan = make(chan []byte)
 	consensus.syncReadyChan = make(chan struct{})
+	consensus.commitFinishChan = make(chan uint32)
 
 	consensus.ReadySignal = make(chan struct{})
 	if nodeconfig.GetDefaultConfig().IsLeader() {
diff --git a/consensus/consensus_v2.go b/consensus/consensus_v2.go
index ea4ce7767..0af588d37 100644
--- a/consensus/consensus_v2.go
+++ b/consensus/consensus_v2.go
@@ -480,11 +480,7 @@ func (consensus *Consensus) onCommit(msg *msg_pb.Message) {
 		return
 	}
 
-	// already had enough signautres
-	if len(commitSigs) >= consensus.Quorum() {
-		consensus.getLogger().Info("received additional commit message", "validatorPubKey", validatorPubKey)
-		return
-	}
+	quorumWasMet := len(commitSigs) >= consensus.Quorum()
 
 	// Verify the signature on commitPayload is correct
 	var sign bls.Sign
@@ -508,9 +504,23 @@ func (consensus *Consensus) onCommit(msg *msg_pb.Message) {
 		ctxerror.Warn(consensus.getLogger(), err, "commitBitmap.SetKey failed")
 	}
 
-	if len(commitSigs) >= consensus.Quorum() {
-		consensus.getLogger().Info("Enough commits received!", "num", len(commitSigs))
-		consensus.finalizeCommits()
+	quorumIsMet := len(commitSigs) >= consensus.Quorum()
+	rewardThresholdIsMet := len(commitSigs) >= consensus.RewardThreshold()
+
+	if !quorumWasMet && quorumIsMet {
+		consensus.getLogger().Info("enough commits received for consensus", "num", len(commitSigs))
+		go func(viewID uint32) {
+			time.Sleep(2 * time.Second)
+			consensus.getLogger().Debug("Commit grace period ended")
+			consensus.commitFinishChan <- viewID
+		}(consensus.viewID)
+	}
+
+	if rewardThresholdIsMet {
+		go func(viewID uint32) {
+			consensus.commitFinishChan <- viewID
+			consensus.getLogger().Debug("enough commits received for block reward", "num", len(commitSigs))
+		}(consensus.viewID)
 	}
 }
 
@@ -835,6 +845,15 @@ func (consensus *Consensus) Start(blockChannel chan *types.Block, stopChan chan
 			case msg := <-consensus.MsgChan:
 				consensus.handleMessageUpdate(msg)
 
+			case viewID := <-consensus.commitFinishChan:
+				func() {
+					consensus.mutex.Lock()
+					defer consensus.mutex.Unlock()
+					if viewID == consensus.viewID {
+						consensus.finalizeCommits()
+					}
+				}()
+
 			case <-stopChan:
 				return
 			}
diff --git a/internal/genesis/foundational.go b/internal/genesis/foundational.go
index 5c428a6ae..c3ed471db 100644
--- a/internal/genesis/foundational.go
+++ b/internal/genesis/foundational.go
@@ -137,4 +137,5 @@ var GenesisFNAccounts = [...]DeployAccount{
 	{Index: "132", Address: "one1t49clgldmutkd6759tyvxje36r4dmq6ukgsdzd", BlsPriKey: "be3e3134482aa89c4e75961c015e9ac3ee564575690117368c653f042804f73d", BlsPublicKey: "940e0941034288dd19b8cb2542fdedeacfe44bdf87c95bdc428350d5f8114d4b", Updated: "from sheet"},
 	{Index: "133", Address: "one1mtvr4rtt7zwp5xwz65razvy54vzxn57y8wd9um", BlsPriKey: "0d60c1b650d86a835ab555287c5475588a5a729bb57abade10a95c877c82313b", BlsPublicKey: "af4cbb5b185473e667b1004a59aaf265430cd6fc1d2578bf32e88e9c639cd839790f12bf4e58b9f685daf3b9ab3d7001", Updated: "from sheet"},
 	{Index: "134", Address: "one1ahw70lq9sqqygs8f7zdrvw7zd796w5n48hc5xh", BlsPriKey: "70d73a85dff49f9f0012827aeb61ecdafc19928c642f4532829a963d76b72d24", BlsPublicKey: "f0d6a1d78c4817e451fb242b7501b23a9e9b5214e6ae8695a00e344a2f6662dad96baeb4f983d5613404795fae71e80d", Updated: "from sheet"},
+	{Index: "135", Address: "one10ha8a07jpxlla89gcmlu7k9j3ra3sqdyq2c620", BlsPriKey: "f8454288baa18cbbc4b3d6c7e82edc387dff963576d0267ff5d70ee0cb60c420", BlsPublicKey: "03ed4996a4808aa1c9672dcbde4262311fcddd9d291e7f0b96d5fa4968831454479584d0ce0c2471557f506f189cd388", Updated: "from sheet"},
 }