Not from Youtube but from forum focus discussion Bitcoin , like as Bitcointalk , Bitcoin Garden , Altcoinstalks etc.
Learning cryptocurrency was originally to make money from the internet and this is how I found cryptocurrency to collect money.

Study - Internet - Cryptocurrency - Money

Only forum related for cryptocurrency , not from Youtube , except for learning Tutorial create Wallet or Install Aplications game with basic cryptocurrency.



Finally after I remained silent for 2 months because there were so many problems in real life, I could now gather again to do the Bitcointalk forum.