A Bitcoin Hard fork has occurred on August 1. The first Bitcoin Cash (BCH) block was mined only five hours later after the launch of the hard fork at 12:20 UTC.
The first BCH blocks were mined by the Chinese mining pool, ViaBTC, and one of them exceeded the size of 1Mb (max size of a BTC block) at 1,9Mb. So far, most BCH blocks are less than 1Mb and most probably it will take a lot of time until 2Mb blocks will be mined permanently.
Read the full article:
https://coinidol.com/blockchain-split-bitcoin-cash-was-born/