Try XCH, Cohen’s Chia Network calls this process “farming" instead of mining, and states that the model it uses instead is ‘proof of space and time’, instead of energy. In simpler terms, the Chia Network states that instead of high performance graphics cards and processors, Chia will use available empty disc space for farming of the currency. As a result, users need to show that they are assigning chunks of their storage space over a continued span of time, which can be done even with a fairly regular computer configuration