Their's is no difficult to understand if you are willing to study about cryptocurrency. I start here just read lot's about cryptocurrency and then i learn trading and investing all information about cryptocurrency you can find here in forum.
You are correct over that, I my self I learnt it online reading and studying also watching some videos too even engaged in some WhatsApp groups in order to learn trading which was a bit hard at first but if one gets to devote his time and mind he or she will get it fast.