If you are talking about the possibility of earning on cryptocurrencies today, then I think that everything is real. You just need to be able to choose coins for investment. For example, I am now actively investing in a new YUSRA GLOBAL coin (https://yusra.global) with a POS-mining. Now mining in this coin has just started and you can earn up to 30% per month only from POS mining. It seems to me that this is real and promising!