diff --git a/blockchain/blockchain_test.go b/blockchain/blockchain_test.go
index e4d6894..2359193 100644
--- a/blockchain/blockchain_test.go
+++ b/blockchain/blockchain_test.go
@@ -6,6 +6,7 @@ import (
 	"testing"
 
 	log "github.com/Sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestMain(t *testing.T) {
@@ -38,3 +39,8 @@ func TestCopyBlock(t *testing.T) {
 		t.FailNow()
 	}
 }
+
+func TestWalletRepr(t *testing.T) {
+	w := NewWallet()
+	assert.Equal(t, len(w.Public().Repr()), 40)
+}