diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..44e207b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env
+main
diff --git a/event/custodial_registration.go b/event/custodial_registration.go
index ad9b05a..8c71515 100644
--- a/event/custodial_registration.go
+++ b/event/custodial_registration.go
@@ -32,7 +32,7 @@ func asCustodialRegistrationEvent(gev *geEvent.Event) (*eventCustodialRegistrati
 	return &ev, true
 }
 
-func handleCustodialRegistration(ctx context.Context, store common.UserDataStore, ev *eventCustodialRegistration) error {
+func handleCustodialRegistration(ctx context.Context, store *common.UserDataStore, ev *eventCustodialRegistration) error {
 	identity, err := lookup.IdentityFromAddress(ctx, store, ev.Account)
 	if err != nil {
 		return err
diff --git a/event/nats/nats.go b/event/nats/nats.go
index 9eea570..8511401 100644
--- a/event/nats/nats.go
+++ b/event/nats/nats.go
@@ -30,7 +30,7 @@ type NatsSubscription struct {
 func NewNatsSubscription(store db.Db) *NatsSubscription {
 	return &NatsSubscription{
 		Router: event.Router{
-			Store: common.UserDataStore{
+			Store: &common.UserDataStore{
 				Db: store,
 			},
 		},
diff --git a/event/route.go b/event/route.go
index c328971..5b7c655 100644
--- a/event/route.go
+++ b/event/route.go
@@ -21,7 +21,7 @@ var (
 )
 
 type Router struct {
-	Store common.UserDataStore
+	Store *common.UserDataStore
 }
 
 func(r *Router) Route(ctx context.Context, gev *geEvent.Event) error {
diff --git a/event/token.go b/event/token.go
index 35b3b56..e9825e3 100644
--- a/event/token.go
+++ b/event/token.go
@@ -11,6 +11,8 @@ import (
 
 const (
 	evTransfer = "TOKEN_TRANSFER"
+	// TODO: use export from urdt storage
+	DATATYPE_USERSUB = 64
 )
 
 type eventTokenTransfer struct {
@@ -23,8 +25,42 @@ type eventTokenTransfer struct {
 //	return nil
 //}
 
-func updateTokenList(ctx context.Context, api remote.AccountServiceInterface, store common.UserDataStore, identity lookup.Identity) error {
-	api.FetchVouchers(ctx, identity.ChecksumAddress)
+func updateTokenList(ctx context.Context, api remote.AccountServiceInterface, store *common.UserDataStore, identity lookup.Identity) error {
+	holdings, err := api.FetchVouchers(ctx, identity.ChecksumAddress)
+	if err != nil {
+		return err
+	}
+	metadata := common.ProcessVouchers(holdings)
+	_ = metadata
+
+	// TODO: export subprefixdb and use that instead
+	// TODO: make sure subprefixdb is thread safe when using gdbm
+	store.Db.SetPrefix(DATATYPE_USERSUB)
+
+	k := append([]byte("vouchers"), []byte("sym")...)
+	err = store.Db.Put(ctx, k, []byte(metadata.Symbols))
+	if err != nil {
+		return err
+	}
+
+	k = append([]byte("vouchers"), []byte("bal")...)
+	err = store.Db.Put(ctx, k, []byte(metadata.Balances))
+	if err != nil {
+		return err
+	}
+
+	k = append([]byte("vouchers"), []byte("deci")...)
+	err = store.Db.Put(ctx, k, []byte(metadata.Decimals))
+	if err != nil {
+		return err
+	}
+
+	k = append([]byte("vouchers"), []byte("addr")...)
+	err = store.Db.Put(ctx, k, []byte(metadata.Addresses))
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -41,7 +77,7 @@ func updateTokenList(ctx context.Context, api remote.AccountServiceInterface, st
 //
 //}
 
-func updateToken(ctx context.Context, store common.UserDataStore, identity lookup.Identity) error {
+func updateToken(ctx context.Context, store *common.UserDataStore, identity lookup.Identity) error {
 	var api remote.AccountService
 
 	err := updateTokenList(ctx, &api, store, identity)
@@ -73,7 +109,7 @@ func updateToken(ctx context.Context, store common.UserDataStore, identity looku
 	return nil
 }
 
-func handleTokenTransfer(ctx context.Context, store common.UserDataStore, ev *eventTokenTransfer) error {
+func handleTokenTransfer(ctx context.Context, store *common.UserDataStore, ev *eventTokenTransfer) error {
 	identity, err := lookup.IdentityFromAddress(ctx, store, ev.From)
 	if err != nil {
 		if !db.IsNotFound(err) {
diff --git a/go.mod b/go.mod
index 8f13e73..ff5c05b 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.23.2
 
 require (
 	git.defalsify.org/vise.git v0.2.1-0.20241031204035-b588301738ed
-	git.grassecon.net/urdt/ussd v0.0.0-20241102140016-35a090ef423c
+	git.grassecon.net/urdt/ussd v0.0.0-20241102154646-e29a24b376cf
 	github.com/grassrootseconomics/eth-tracker v1.3.0-rc
 	github.com/nats-io/nats.go v1.37.0
 )
diff --git a/go.sum b/go.sum
index c112953..6342e04 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 git.defalsify.org/vise.git v0.2.1-0.20241031204035-b588301738ed h1:4TrsfbK7NKgsa7KjMPlnV/tjYTkAAXP5PWAZzUfzCdI=
 git.defalsify.org/vise.git v0.2.1-0.20241031204035-b588301738ed/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
-git.grassecon.net/urdt/ussd v0.0.0-20241102140016-35a090ef423c h1:agAldZOfFqph8fSbI/fRcRVma975W0kokqSsz4lnZHk=
-git.grassecon.net/urdt/ussd v0.0.0-20241102140016-35a090ef423c/go.mod h1:ADB/wpwvI6umvYzGqpJGm/GYj8msxYGiczzWCCdXegs=
+git.grassecon.net/urdt/ussd v0.0.0-20241102154646-e29a24b376cf h1:w7uWGBu+qlXzbR2j7h/kIuXJ3dWsfjxDT07l7NccibM=
+git.grassecon.net/urdt/ussd v0.0.0-20241102154646-e29a24b376cf/go.mod h1:ADB/wpwvI6umvYzGqpJGm/GYj8msxYGiczzWCCdXegs=
 github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
 github.com/alecthomas/assert/v2 v2.2.2/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
 github.com/alecthomas/repr v0.2.0 h1:HAzS41CIzNW5syS8Mf9UwXhNH1J9aix/BvDRf1Ml2Yk=
diff --git a/lookup/db.go b/lookup/db.go
index e4bb682..012a2a0 100644
--- a/lookup/db.go
+++ b/lookup/db.go
@@ -12,7 +12,7 @@ type Identity struct {
 	SessionId string
 }
 
-func IdentityFromAddress(ctx context.Context, store common.UserDataStore, address string) (Identity, error) {
+func IdentityFromAddress(ctx context.Context, store *common.UserDataStore, address string) (Identity, error) {
 	var err error
 	var ident Identity
 
@@ -28,7 +28,7 @@ func IdentityFromAddress(ctx context.Context, store common.UserDataStore, addres
 	return ident, nil
 }
 
-func getSessionIdByAddress(ctx context.Context, store common.UserDataStore, address string) (string, error) {
+func getSessionIdByAddress(ctx context.Context, store *common.UserDataStore, address string) (string, error) {
 	
 	r, err := store.ReadEntry(ctx, address, common.DATA_PUBLIC_KEY_REVERSE)
 	if err != nil {