diff --git a/blockchain/options.go b/blockchain/options.go
index 2ca4af97..7e102e6b 100644
--- a/blockchain/options.go
+++ b/blockchain/options.go
@@ -8,6 +8,7 @@ type (
 	Option  func(*options) error
 	options struct {
 		authorizer               peer.ID
+		authorizedPeers          []peer.ID
 		allowTransientConnection bool
 		blockchainEndPoint       string
 		timeout                  int
@@ -31,6 +32,13 @@ func WithAuthorizer(a peer.ID) Option {
 	}
 }
 
+func WithAuthorizedPeers(l []peer.ID) Option {
+	return func(o *options) error {
+		o.authorizedPeers = l
+		return nil
+	}
+}
+
 func WithAllowTransientConnection(t bool) Option {
 	return func(o *options) error {
 		o.allowTransientConnection = t
diff --git a/blox/blox.go b/blox/blox.go
index 0ff3e9d0..6fec41fd 100644
--- a/blox/blox.go
+++ b/blox/blox.go
@@ -52,9 +52,14 @@ func New(o ...Option) (*Blox, error) {
 	if err != nil {
 		authorizer = opts.authorizer
 	}
+	authorizedPeers, err := p.ex.GetAuthorizedPeers(p.ctx)
+	if err != nil {
+		authorizedPeers = opts.authorizedPeers
+	}
 	p.bl, _ = blockchain.NewFxBlockchain(p.h,
 		blockchain.NewSimpleKeyStorer(),
 		blockchain.WithAuthorizer(authorizer),
+		blockchain.WithAuthorizedPeers(authorizedPeers),
 		blockchain.WithBlockchainEndPoint("127.0.0.1:4000"),
 		blockchain.WithTimeout(30))
 	return &p, nil
diff --git a/exchange/fx_exchange.go b/exchange/fx_exchange.go
index 92e4211b..fc5fcf0e 100644
--- a/exchange/fx_exchange.go
+++ b/exchange/fx_exchange.go
@@ -108,6 +108,15 @@ func (e *FxExchange) GetAuth(ctx context.Context) (peer.ID, error) {
 	return e.authorizer, nil
 }
 
+func (e *FxExchange) GetAuthorizedPeers(ctx context.Context) ([]peer.ID, error) {
+	var peerList []peer.ID
+	for peerId := range e.authorizedPeers {
+		peerList = append(peerList, peerId)
+	}
+	e.options.authorizedPeers = peerList
+	return peerList, nil
+}
+
 func (e *FxExchange) Start(ctx context.Context) error {
 	gsn := gsnet.NewFromLibp2pHost(e.h)
 	e.gx = gs.New(ctx, gsn, e.ls)
@@ -278,9 +287,8 @@ func (e *FxExchange) handleAuthorization(from peer.ID, w http.ResponseWriter, r
 
 func (e *FxExchange) updateAuthorizePeers() error {
 	var peerList []peer.ID
-	for peerId := range e.authorizedPeers {
-		peerList = append(peerList, peerId)
-	}
+	ctx := context.TODO()
+	peerList, _ = e.GetAuthorizedPeers(ctx)
 	e.options.authorizedPeers = peerList
 	err := e.updateConfig(e.options.authorizedPeers)
 	if err != nil {