A hard fork, however, can result in a new protocol that creates new cryptocurrencies. An example of a hard fork is when Bitcoin Cash (BCH) was created in 2017. This split in the Bitcoin blockchain, which allowed for a larger block size would not allow all future blocks to add to its blockchain. As such, when Bitcoin Cash went live, a new token (BCH) was created and anyone holding original Bitcoin (BTC) also received BCH tokens for the new fork.