Bitcoin Cash :A group of users,miners and some businesses implemented a non-compatible upgrade to the network on August 1st , thereby raising the blocksize to 8mb and removing the segregated witness .
As this upgrade does not have a wide backing of the network this “hard fork” as split the bitcoin chain network into two, as a result we now have Bitcoin (BTC) and BitcoinCash (BCH/BCC).
As this is a chain split, Bitcoincash shares its entire transaction history with Bitcoin up until the split occured, with the history diverging after the split, this means that for whatever amount of bitcoins that you had before the split, you will now have that same amount of Bitcoin Cash.
Some exchanges like Bittrex and wallet providers like trezor has started crediting users with BCC.
Bitcoin and Bitcoin Cash has therefore became two entirely different cryptocurrency.
As seen on coinmarketcap , Bitcoin Cash