go through threads here in the platform and you will learn far more important information than what any YouTube channel can offer. Although you could sometimes go to your youtube occasionally and search for a key word you are interested in learning, here to the beat of my knowledge is the best place to learn since you have experienced individuals already in the field that are ready and willing yo clear your doubt in case you have a challenge as a beginner.

If I am not wrong, their are foundational cryptocurrency courses on coursera and I fell that if you go though them it would give you the needed foundation that will grant you the ability to learn and follow the right learning pattern in the forum.