In the days when learning forex trading, to make learning pragmatic, some forex exchange platforms give room for traders to have demo accounts to hone their trading skills and all that.

I am aware there are over 150 cryptocurrencies exchanges, but I have never heard of one giving traders room to have dummy or demo account to become better.
(If you know of any, please share)

Could this be as a result that forex trading is more technical or complex, and as a result, gives room for demo account?