China’s crypto mining crackdown in 2021 seemed to banish bitcoin miners from China. Turns out the miners just went underground. gckaloudis writes in this week’s Crypto Long & Short newsletter. Reported hashrate fell to zero for two months in China last year, but it has since returned rather abruptly. (fear, uncertainty, doubt) in our future. Alternatively, maybe everyone is messing with us and using VPNs to change their location to China to make my job difficult. Hashprice and mining company woes Amid falling bitcoin prices, there is also some concern around bitcoin miners and their profitability. There is a called…