If you look at the trading tools, there are many similarities. Indicators, trading strategies - there are no particular differences. However, it should be noted that in the cryptocurrency market, there is a lot of volatility, and a lot depends on bitcoin.
There is also regulation on stocks while Bitcoin and altcoins don't have any one, as a bitcoin trader, news can come up that one country has an bitcoin and you will be disappointed how everything will start crashinfg but forex has regulations, even if there is bad news, they don't drop like the way crypto does and the regulatory people don't interfare in forex like the way they do in stock, just like today, SEC sued CZ Binance for viloating their rules and guideline and for that, he will have to pay them after the damage of the news made bitcoin to drop in price.