Bitcoin Cash ($BCH) is the first Bitcoin ($BTC) hard fork dedicated to increasing block sizes and on-chain transaction throughput. Supporters of Bitcoin Cash believe that hash power decides the future of the network and in late 2018 a battle to control hash power broke out between competing implementations. Bitcoin Cash ABC wants to make upgrades to support smart contract oracles and transaction re-ordering while Bitcoin Cash Satoshi's Vision (SV) believes in expanding block size instead of focusing on new features.   This resource page contains a list of readings and tools to help understand the history of Bitcoin Cash and the November 2018 hash power battle: https://messari.io/resource/bitcoin-cash