diff --git a/cmd/africastalking/main.go b/cmd/africastalking/main.go
index 2fd76de..3e4420c 100644
--- a/cmd/africastalking/main.go
+++ b/cmd/africastalking/main.go
@@ -60,9 +60,9 @@ func main() {
 	flag.Parse()
 
 	if connStr == "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
-	connData, err := storage.ToConnData(config.DbConn)
+	connData, err := storage.ToConnData(connStr)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "connstr err: %v", err)
 		os.Exit(1)
@@ -72,7 +72,7 @@ func main() {
 
 	ctx := context.Background()
 	ctx = context.WithValue(ctx, "Database", database)
-	ln, err := lang.LanguageFromCode(config.DefaultLanguage)
+	ln, err := lang.LanguageFromCode(config.Language())
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "default language set error: %v", err)
 		os.Exit(1)
diff --git a/cmd/async/main.go b/cmd/async/main.go
index 891bd33..3fba1fe 100644
--- a/cmd/async/main.go
+++ b/cmd/async/main.go
@@ -68,7 +68,7 @@ func main() {
 	flag.Parse()
 
 	if connStr == "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
 	connData, err := storage.ToConnData(connStr)
 	if err != nil {
@@ -80,7 +80,7 @@ func main() {
 
 	ctx := context.Background()
 
-	ln, err := lang.LanguageFromCode(config.DefaultLanguage)
+	ln, err := lang.LanguageFromCode(config.Language())
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "default language set error: %v", err)
 		os.Exit(1)
diff --git a/cmd/http/main.go b/cmd/http/main.go
index eb091ba..a8ea564 100644
--- a/cmd/http/main.go
+++ b/cmd/http/main.go
@@ -56,7 +56,7 @@ func main() {
 	flag.Parse()
 
 	if connStr == "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
 	connData, err := storage.ToConnData(connStr)
 	if err != nil {
@@ -68,7 +68,7 @@ func main() {
 
 	ctx := context.Background()
 
-	ln, err := lang.LanguageFromCode(config.DefaultLanguage)
+	ln, err := lang.LanguageFromCode(config.Language())
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "default language set error: %v", err)
 		os.Exit(1)
diff --git a/cmd/main.go b/cmd/main.go
index 240cb8d..493090a 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -32,7 +32,6 @@ func main() {
 	var connStr string
 	var size uint
 	var sessionId string
-	var database string
 	var engineDebug bool
 	var resourceDir string
 	var err error
@@ -49,7 +48,7 @@ func main() {
 	flag.Parse()
 
 	if connStr != "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
 	connData, err := storage.ToConnData(connStr)
 	if err != nil {
@@ -60,14 +59,13 @@ func main() {
 	logg.Infof("start command", "conn", connData, "outputsize", size)
 
 	if len(langs.Langs()) == 0 {
-		langs.Set(config.DefaultLanguage)
+		langs.Set(config.Language())
 	}
 
 	ctx := context.Background()
 	ctx = context.WithValue(ctx, "SessionId", sessionId)
-	ctx = context.WithValue(ctx, "Database", database)
 
-	ln, err := lang.LanguageFromCode(config.DefaultLanguage)
+	ln, err := lang.LanguageFromCode(config.Language())
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "default language set error: %v", err)
 		os.Exit(1)
diff --git a/cmd/ssh/main.go b/cmd/ssh/main.go
index 03fa024..8397be8 100644
--- a/cmd/ssh/main.go
+++ b/cmd/ssh/main.go
@@ -49,7 +49,7 @@ func main() {
 	flag.Parse()
 
 	if connStr == "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
 	if authConnStr == "" {
 		authConnStr = connStr
diff --git a/config/config.go b/config/config.go
index 03f8e24..3df8afc 100644
--- a/config/config.go
+++ b/config/config.go
@@ -15,11 +15,6 @@ const (
 	defaultSSHPort uint = 7122
 )
 
-var (
-	DbConn = viseconfig.DbConn
-	DefaultLanguage = viseconfig.DefaultLanguage
-)
-
 func LoadConfig() error {
 	err := viseconfig.LoadConfig()
 	if err != nil {
@@ -29,11 +24,17 @@ func LoadConfig() error {
 	if err != nil {
 		return err
 	}
-	DbConn = viseconfig.DbConn
-	DefaultLanguage = viseconfig.DefaultLanguage
 	return nil
 }
 
+func DbConn() string {
+	return viseconfig.DbConn
+}
+
+func Language() string {
+	return viseconfig.DefaultLanguage
+}
+
 func Host() string {
 	return apiconfig.Host()
 }
diff --git a/devtools/store/dump/main.go b/devtools/store/dump/main.go
index ee66e21..d896da8 100644
--- a/devtools/store/dump/main.go
+++ b/devtools/store/dump/main.go
@@ -43,9 +43,9 @@ func main() {
 	flag.Parse()
 
 	if connStr != "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
-	connData, err := storage.ToConnData(config.DbConn)
+	connData, err := storage.ToConnData(connStr)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "connstr err: %v", err)
 		os.Exit(1)
diff --git a/devtools/store/generate/main.go b/devtools/store/generate/main.go
index 491beca..bfcc483 100644
--- a/devtools/store/generate/main.go
+++ b/devtools/store/generate/main.go
@@ -37,9 +37,9 @@ func main() {
 	flag.Parse()
 
 	if connStr != "" {
-		connStr = config.DbConn
+		connStr = config.DbConn()
 	}
-	connData, err := storage.ToConnData(config.DbConn)
+	connData, err := storage.ToConnData(connStr)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "connstr err: %v", err)
 		os.Exit(1)
diff --git a/go.mod b/go.mod
index 12c10b2..5cedcbb 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d
 	git.grassecon.net/grassrootseconomics/common v0.0.0-20250112102149-4feac5e490e9
 	git.grassecon.net/grassrootseconomics/sarafu-api v0.0.0-20250112110836-26a51bc95f38
-	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112104023-611c5a8dfc80
+	git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112121325-9e4c65c8b4d1
 	git.grassecon.net/grassrootseconomics/visedriver-africastalking v0.0.0-20250112104256-7d37d7f5cac5
 	github.com/alecthomas/assert/v2 v2.2.2
 	github.com/gofrs/uuid v4.4.0+incompatible
diff --git a/go.sum b/go.sum
index e425403..ca35ba3 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ git.grassecon.net/grassrootseconomics/common v0.0.0-20250112102149-4feac5e490e9
 git.grassecon.net/grassrootseconomics/common v0.0.0-20250112102149-4feac5e490e9/go.mod h1:wgQJZGIS6QuNLHqDhcsvehsbn5PvgV7aziRebMnJi60=
 git.grassecon.net/grassrootseconomics/sarafu-api v0.0.0-20250112110836-26a51bc95f38 h1:M++O6THA26LRdC7jfsPCaIIPMosNhFc+PgnEtDY3+hk=
 git.grassecon.net/grassrootseconomics/sarafu-api v0.0.0-20250112110836-26a51bc95f38/go.mod h1:E0ayNSbqpt+aAHoA7f7jXZcH2Zgjkt7rYs50YH9sLgk=
-git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112104023-611c5a8dfc80 h1:8j7iDSC9lzOM8NexEQlMfEn+3mJStDf66OTZK8ulsho=
-git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112104023-611c5a8dfc80/go.mod h1:E6W7ZOa7ZvVr0Bc5ot0LNSwpSPYq4hXlAIvEPy3AJ7U=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112121325-9e4c65c8b4d1 h1:RfU5/WFfPxDptlkyx4MT+4YmO79sY6HvIngUq5uwQPU=
+git.grassecon.net/grassrootseconomics/visedriver v0.8.0-beta.10.0.20250112121325-9e4c65c8b4d1/go.mod h1:E6W7ZOa7ZvVr0Bc5ot0LNSwpSPYq4hXlAIvEPy3AJ7U=
 git.grassecon.net/grassrootseconomics/visedriver-africastalking v0.0.0-20250112104256-7d37d7f5cac5 h1:byD+vsY9kqCVFX2Kx2+Z3/Lqk10l4MQnUBXm/zLpy20=
 git.grassecon.net/grassrootseconomics/visedriver-africastalking v0.0.0-20250112104256-7d37d7f5cac5/go.mod h1:wf5CtGf07LRtnPqr9sefMY+bQK5oASsvzIr7ebs7MWU=
 github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
diff --git a/store/db/db.go b/store/db/db.go
index 91341d3..b70cc5e 100644
--- a/store/db/db.go
+++ b/store/db/db.go
@@ -74,6 +74,7 @@ const (
 )
 
 const (
+	// List of senders for valid transactions in the user context.
 	DATA_TX_SENDERS = 512 + iota
 	// List of recipients for valid transactions in the user context.
 	DATA_TX_RECIPIENTS
@@ -91,6 +92,11 @@ const (
 	DATA_TX_DECIMALS
 )
 
+const (
+	// Token transfer list
+	DATA_TRANSACTIONS = 1024 + iota
+)
+
 var (
 	logg = logging.NewVanilla().WithDomain("urdt-common")
 )
diff --git a/store/user_store.go b/store/user_store.go
index 8b358e4..920d32e 100644
--- a/store/user_store.go
+++ b/store/user_store.go
@@ -35,3 +35,7 @@ func (store *UserDataStore) WriteEntry(ctx context.Context, sessionId string, ty
 	k := storedb.ToBytes(typ)
 	return store.Put(ctx, k, value)
 }
+
+func StoreToPrefixDb(userStore *UserDataStore, pfx []byte) storedb.PrefixDb {
+	return storedb.NewSubPrefixDb(userStore.Db, pfx)
+}