diff --git a/main.go b/main.go
index f29c7071..25f4320b 100644
--- a/main.go
+++ b/main.go
@@ -30,6 +30,7 @@ func main() {
 
 	cbTx := Coinbase(netReward)
 	serializedcbTx, _ := serializeTransaction(cbTx)
+	fmt.Printf("CBTX: %x\n", serializedcbTx)
 	TxIDs = append([]string{hex.EncodeToString(reverseBytes(to_sha(to_sha(serializedcbTx))))}, TxIDs...)
 	mkr := NewMerkleTree(TxIDs)
 	Bh.merkleRoot = hex.EncodeToString(mkr.Data)
@@ -42,8 +43,9 @@ func main() {
 		fmt.Println(Bh.merkleRoot)
 		fmt.Println(Bh.nonce)
 		serializedBh := SerializeBlockHeader(&Bh)
+		segserialized, _ := SegWitSerialize(cbTx)
 		file.WriteString(hex.EncodeToString(serializedBh) + "\n")
-		file.WriteString(hex.EncodeToString(serializedcbTx) + "\n")
+		file.WriteString(hex.EncodeToString(segserialized) + "\n")
 		for _, tx := range TxIDs {
 			file.WriteString(tx + "\n")
 		}
diff --git a/output.txt b/output.txt
index 2f7e86be..ebb46f67 100644
--- a/output.txt
+++ b/output.txt
@@ -1,5 +1,5 @@
-0700000000000000000000000000000000000000000000000000000000000000000000001469c49fc3a805b159391bfc2921584aa21f67e9f545d1110bff17d3313b83f5f3321c66ffff001f602f0500
-01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1b03951a0604f15ccf5609013803062b9b5a0100072f425443432f20ffffffff02895d8c0100000000160014df4bf9f3621073202be59ae590f55f42879a21a00000000000000000266a24aa21a9ed392466efe913d353921707d69a39cfb22952a7d75de836728f73705b3c5db5e400000000
+0700000000000000000000000000000000000000000000000000000000000000000000001469c49fc3a805b159391bfc2921584aa21f67e9f545d1110bff17d3313b83f5ee341c66ffff001f0ba90000
+010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff1b03951a0604f15ccf5609013803062b9b5a0100072f425443432f20ffffffff02895d8c0100000000160014df4bf9f3621073202be59ae590f55f42879a21a00000000000000000266a24aa21a9ed392466efe913d353921707d69a39cfb22952a7d75de836728f73705b3c5db5e40120000000000000000000000000000000000000000000000000000000000000000000000000
 76bdb34d637ae63ec4ee9dc11c8e242c1ce89cef399dedbfc902e325c44e9e86
 82f9f96db7bdbb9e70626747632e373b34eefd50d613dfea7092744169591b6e
 7cb2a4f55245bae141a5d6ad51c08d7a9fdf2c2b905e4d97639ed80b82e69800