The change spurred a tough fork, splitting the blockchain in two and giving rise to an offshoot chain known as Ethereum PoW. Some exchanges and platforms have proven assist for the forked model, which nonetheless makes use of proof-of-work (PoW) verification, and no less than 19 former ether mining swimming pools are lively on it, the report mentioned. There may be the chance that the forked chain may divide the Ethereum group, it mentioned.