The math problems to unlock new coins is determined by a central network. These problems automatically get more difficult as more people try to mine for bitcoins. When bitcoin mining started, users could solve these problems using their regular desktop computers. However, as the problems became more complex solving them required specialized ... Jul 11, 2020 · While it has its positive points, again, it is Monero's lower difficulty and excellent price that make CPU mining so attractive. XMR mining with this method will, as with the others, begin showing profits immediately. Thus, if you are looking for the best cryptocurrency to mine with GPU, this is your option. # 4 on this list is Zencash.