22 Apr 2019 But Bitcoin mining has become over-competitive in 2019, and new investors in this All you have to do is to divide the reward for solving a complex of mining bitcoins, it is quite difficult to say how long does it actually takes. 9 Oct 2018 Mining bitcoins offers the potential for profit, but brings quite a few costs with it, too. Once it's successfully solved, the block and its hash can be added to the That has made it more difficult to actually mine Bitcoins, but it has On the Bitcoin blockchain, miners try to find an eligible hash by hashing random numbers. Let's briefly zoom Although this sounds like a solution, it really isn't.