diff --git a/explorer.go b/explorer.go
index fda0804..2706142 100644
--- a/explorer.go
+++ b/explorer.go
@@ -57,7 +57,7 @@ func explorer(c *cli.Context) (err error) {
 	}
 
 	endpoint := c.String(endpointFlagKey)
-	blockchain, err := chain.Open(ctx, cacheDir, endpoint)
+	blockchain, err := chain.Open(ctx, cacheDir, endpoint, false)
 	if err != nil {
 		return fmt.Errorf("cannot initialize remote blockchain client: %w", err)
 	}
diff --git a/flags.go b/flags.go
index be06eaf..c122433 100644
--- a/flags.go
+++ b/flags.go
@@ -21,6 +21,7 @@ const (
 	workersFlagKey            = "workers"
 	disableProgressBarFlagKey = "disable-progress-bar"
 	stutterThresholdFlagKey   = "threshold"
+	forceCacheRewriteKey      = "force"
 )
 
 var (
@@ -78,6 +79,12 @@ var (
 		Usage:   "duration limit between block timestamps",
 		Value:   20 * time.Second,
 	}
+
+	forceCacheRewriteFlag = &cli.BoolFlag{
+		Name:    forceCacheRewriteKey,
+		Aliases: []string{"f"},
+		Usage:   "force blockchain cache rewrite",
+	}
 )
 
 func parseNotifications(notifications []string, cli *rpcclient.Client) (map[string]*util.Uint160, error) {
diff --git a/internal/chain/chain.go b/internal/chain/chain.go
index b80a00b..b48f7f5 100644
--- a/internal/chain/chain.go
+++ b/internal/chain/chain.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/binary"
 	"fmt"
+	"os"
 	"path"
 	"strconv"
 
@@ -27,7 +28,7 @@ var (
 	logsBucket   = []byte("logs")
 )
 
-func Open(ctx context.Context, dir, endpoint string) (*Chain, error) {
+func Open(ctx context.Context, dir, endpoint string, rewrite bool) (*Chain, error) {
 	cli, err := rpcclient.New(ctx, endpoint, rpcclient.Options{})
 	if err != nil {
 		return nil, fmt.Errorf("rpc connection: %w", err)
@@ -44,6 +45,9 @@ func Open(ctx context.Context, dir, endpoint string) (*Chain, error) {
 	}
 
 	dbPath := path.Join(dir, strconv.Itoa(int(v.Protocol.Network))+".db")
+	if rewrite {
+		_ = os.Remove(dbPath) // ignore error if file does not exist, etc.
+	}
 
 	db, err := bbolt.Open(dbPath, 0600, nil)
 	if err != nil {
diff --git a/main.go b/main.go
index bc6b2f5..7c68fbb 100644
--- a/main.go
+++ b/main.go
@@ -35,6 +35,7 @@ func main() {
 					cacheFlag,
 					workersFlag,
 					disableProgressBarFlag,
+					forceCacheRewriteFlag,
 				},
 			},
 			{
@@ -84,7 +85,7 @@ func monza(c *cli.Context) (err error) {
 		}
 	}
 
-	blockchain, err := chain.Open(ctx, cacheDir, c.String(endpointFlagKey))
+	blockchain, err := chain.Open(ctx, cacheDir, c.String(endpointFlagKey), c.Bool(forceCacheRewriteKey))
 	if err != nil {
 		return fmt.Errorf("cannot initialize remote blockchain client: %w", err)
 	}
diff --git a/stutter.go b/stutter.go
index 8d0585f..14d9939 100644
--- a/stutter.go
+++ b/stutter.go
@@ -25,7 +25,7 @@ func stutter(c *cli.Context) (err error) {
 		}
 	}
 
-	blockchain, err := chain.Open(ctx, cacheDir, c.String(endpointFlagKey))
+	blockchain, err := chain.Open(ctx, cacheDir, c.String(endpointFlagKey), false)
 	if err != nil {
 		return fmt.Errorf("cannot initialize remote blockchain client: %w", err)
 	}