Bitcoin Cash is a payment network with it's own internal currency, BCH.
One BCH gets traded with the American dollar at a rapidly fluctuating price, usually between 400 and 2000 USD per 1 BCH.
Bitcoin Cash is popular as payment network and currency with freelancers and in countries plagues by high inflation, like Venezuela and Congo.
The internal currency, BCH, gets brought in to existence by people with computers who process the Bitcoin Cash transactions as a reward for running the network.
Users can freely plug in to the non mining nodes using Free Open Source Software to interface with this network without requiring usernames or passwords. Users run Simple Payment Verification clients.
As of 2021, the Bitcoin Cash Network processes between 250 00 and 350 000 transactions a day.