This year has been a tumultuous one, especially for Bitcoin. Different groups within Bitcoins original community have not been able to even remotely agree on which protocol should be implemented in order to solve Bitcoins scalability problem. One particular group felt strongly that bigger blocks were the solution to the problem and so hard forked away from the original Bitcoin blockchain to create Bitcoin Cash (BCH).
Read More here:
https://cryptodaily.co.uk/2017/11/roger-ver-declares-bitcoin-cash-true-bitcoin/