At your finger tips, shared some years ago, It focuses on technical analysis (TA). Requires a Google account. If you want more background information on a currency/token/asset, it’s easiest to just search that out specifically using Google. Youtube is great as well.
Youtube video explaining Crypto for beginners.
I will say, “crypto” as an ecosystem is growing and growing everyday. There’s so much to learn. It’s not going to be learned in a single video or two. Or a book. Or an article. Start with basics and that will get the ball rolling.