It was introduced in 2017 as a spin-off or altcoin of bitcoin. In 2018 it was split into two cryptocurrencies Bitcoin SV and Bitcoin Cash. It is also referred to as Bcash in the cryptocurrency world. Bitcoin cash does not need any central authority like a government or bank. All transactions done in bitcoin are recorded in a global ledger known as a blockchain. If you are new to the cryptocurrency world and want to invest in cryptocurrency then this hard fork is essentially a split form the blockchain. Think of it as a bank headquarters – if you go in the real world apart from the electronic currency, there were multiple franchises including the regional headquarter splitting from local franchises. This is very similar. Bitcoin and Bitcoin Cash both use the same algorithm, however, they have different ways to interpret it. Once you split Bitcoin Cash to Bitcoin, Both use their protocol.