Bitcointalk name: veniaminsaburov
 Video Link:
1 https://www.youtube.com/watch?v=1pkQmjz587I
2 https://www.youtube.com/watch?v=khCL_VUWptM
3 https://www.youtube.com/watch?v=JDlIQMSu0Oo
4 https://www.youtube.com/watch?v=tLv9AjNEbCE