your job is to study if you are a student. don't waste your money to buy coins that don't give you income. but if you want to earn income, please buy btc, and eth as a long-term investment that you can expect future income
Sometimes, indeed, with information that is very scattered on all social media platforms, it will make many want to try it, as well as a student, even though it is actually better not to jump right in but to learn first.
But what you said is true: if he really want to do it, place it on BTC and ETH, really the best and highly tested coin, even though it takes a long time, and at the same time, continue to study the characters.