diff --git a/transaction_output.go b/transaction_output.go
index 4d70d74..34dabad 100644
--- a/transaction_output.go
+++ b/transaction_output.go
@@ -1,6 +1,10 @@
 package main
 
-import "bytes"
+import (
+	"bytes"
+	"encoding/gob"
+	"log"
+)
 
 // TXOutput represents a transaction output
 type TXOutput struct {
@@ -27,3 +31,21 @@ func NewTXOutput(value int, address string) *TXOutput {
 
 	return txo
 }
+
+// TXOutputs collects TXOutput
+type TXOutputs struct {
+	Outputs []TXOutput
+}
+
+// Serialize serializes TXOutputs
+func (outs TXOutputs) Serialize() []byte {
+	var buff bytes.Buffer
+
+	enc := gob.NewEncoder(&buff)
+	err := enc.Encode(outs)
+	if err != nil {
+		log.Panic(err)
+	}
+
+	return buff.Bytes()
+}