I guess there are people who mine Pi? Though, I do not have believe in Pi, but I have seen make money by selling their mined Pi after Know-Your-Customer has been done. So, I believe you can make money from cryptocurrency mining depends on the coin you mine.Cryptocurrency mining is not a free way to make money from cryptocurrencies because it needs some level of investment if you are really interested in making money out of it. People who do not invest will end up wasting their time in crypto mining.