diff --git a/zetaclient/cctx_scanner.go b/zetaclient/cctx_scanner.go
index e9d85f8419..ff6c93976a 100644
--- a/zetaclient/cctx_scanner.go
+++ b/zetaclient/cctx_scanner.go
@@ -16,7 +16,8 @@ import (
 )
 
 const (
-	RescanBatch uint64 = 10
+	RescanBatch  uint64 = 10
+	LogPrintBlks int64  = 10
 )
 
 // CctxScanner scans missed pending cctx and updates their status
@@ -82,7 +83,7 @@ func (sc *CctxScanner) ScanMissedPendingCctx(bn int64, chainID int64, maxNonce u
 	}
 }
 
-func (sc *CctxScanner) EarliestPendingCctxByChain(chainID int64) *crosschaintypes.CrossChainTx {
+func (sc *CctxScanner) EarliestPendingCctxByChain(bn int64, chainID int64) *crosschaintypes.CrossChainTx {
 	oldPendingCctxs := sc.AllMissedPendingCctxByChain(chainID)
 
 	// try removing finalized cctx
@@ -107,9 +108,19 @@ func (sc *CctxScanner) EarliestPendingCctxByChain(chainID int64) *crosschaintype
 
 	newPendingCctxs := sc.AllMissedPendingCctxByChain(chainID)
 	if len(newPendingCctxs) == 0 {
+		sc.logger.Info().Msgf("scanner: pending cctxs for chain %d is empty, next nonce to scan %d", chainID, sc.nextNonceToScan[chainID])
 		return nil
 	}
-	return newPendingCctxs[0]
+
+	// log print for monitoring
+	oldestCctx := newPendingCctxs[0]
+	latestCctx := newPendingCctxs[len(newPendingCctxs)-1]
+	if bn%LogPrintBlks == 0 {
+		sc.logger.Info().Msgf("scanner: pending cctxs for chain %d, oldest %d, latest %d, next nonce to scan %d",
+			chainID, oldestCctx.GetCurrentOutTxParam().OutboundTxTssNonce, latestCctx.GetCurrentOutTxParam().OutboundTxTssNonce, sc.nextNonceToScan[chainID])
+	}
+
+	return oldestCctx
 }
 
 // Note: deep clone is unnecessary as the cctx list is used in a single thread
diff --git a/zetaclient/zetacore_observer.go b/zetaclient/zetacore_observer.go
index a11cd1e4e8..b11d4316a4 100644
--- a/zetaclient/zetacore_observer.go
+++ b/zetaclient/zetacore_observer.go
@@ -159,7 +159,7 @@ func (co *CoreObserver) startSendScheduler() {
 							// Scan missed pending (forever) cctx in history and get the earliest
 							// #nosec G701 non negative value
 							co.scanner.ScanMissedPendingCctx(bn, c.ChainId, uint64(pendingNonces.NonceLow))
-							earliestCctx := co.scanner.EarliestPendingCctxByChain(c.ChainId)
+							earliestCctx := co.scanner.EarliestPendingCctxByChain(bn, c.ChainId)
 							if earliestCctx != nil { // append earliest missed pending cctx to head
 								cctxList = append([]*types.CrossChainTx{earliestCctx}, cctxList...)
 							}
@@ -223,6 +223,10 @@ func (co *CoreObserver) startSendScheduler() {
 								co.logger.ZetaChainWatcher.Error().Err(err).Msgf("IsSendOutTxProcessed fail, Chain ID: %s", c.ChainName)
 								continue
 							}
+							// skip keysign for missed pending (forever) cctx as outTx was already finalized
+							if co.scanner.IsMissedPendingCctx(c.ChainId, params.OutboundTxTssNonce) {
+								continue
+							}
 							if included {
 								co.logger.ZetaChainWatcher.Info().Msgf("send outTx already included; do not schedule")
 								continue