<human>:  When did Bitcoin Cash come into existence?
<bot>: Bitcoin Cash came into existence on August 1st, 2017. It was created as a result of a fork in the Bitcoin blockchain. The fork happened because of a disagreement between the core developers of the Bitcoin project about the future direction of the network. Bitcoin Cash is a cryptocurrency that shares many of the same features as Bitcoin, including its blockchain and transaction system. However, Bitcoin Cash has a different proof-of-work algorithm than Bitcoin, which makes it more efficient and faster to mine.