A lot of newbies appear in cryptocurrency industry and they lose a lot of money because cryptocurrency is very risky.
Cryptocurrencies have easy money, but a huge number of scammers. Trading is very simple, but with low liquidity. Many exchanges block accounts for any fault of the trader.
I think that the biggest difficulty for beginners is not trading, but the immaturity of the market.
If you have already decided to trade on exchanges, then you need to choose proven ones. For example, I use Binance and Bitmex. Nothing has been banned yet.