I think what is important here is the foundation of your trading knowledge, since you already grasp the basics and probably had advanced knowledge on trading, you can use that to trade cryptocurrency. You just need to change the variables like information, the kind of cryptocurrency you are trading, etc.
The concept from fx trading can help the OP in crypto trading.
I even started trading in crypto without the knowledge of fx.
So yes, it is possible for him to learn the ropes here.
He can start small, and try a reputable exchange in the beginning of his journey like binance.
They have very good liquidity. And also, start with top alts, don't be tempted from this meme or hype up tokens.