Bitcointalk name: dear53
 Video Link:
1. https://www.youtube.com/watch?v=xSslPREhgvM&feature=youtu.be
2. https://www.youtube.com/watch?v=6GehYQ7PDjU&feature=youtu.be
3. https://www.youtube.com/watch?v=9y74dfNv0C0&feature=youtu.be