1. Patrick Collins(Part 1,2,3)
   1. https://www.youtube.com/watch?v=umepbfKp5rI&t=2347s
   2. https://www.youtube.com/watch?v=sas02qSFZ74&t=36400s
   3. https://www.youtube.com/watch?v=wUjYK5gwNZs&t=28127s
2. Dapp University
   1. https://www.youtube.com/watch?v=cGQHXmCS94M&pp=ygUWZnVsbCBibG9ja2NoYWluIGNvdXJzZQ%3D%3D
3. Code Eater
   1. https://www.youtube.com/watch?v=ujjxsQ8IrxE&list=PLgPmWS2dQHW_CuryjGPkyH0PNXJ2B0hAk&index=2