Hard Fork
What is a hard fork?
When a blockchain is ‘hard forked,’ it’s duplicated, where one ‘prong’ of the fork is changed, while the other stays the same, meaning users have the option to use the new or the old version.
Think of it like that time Coca Cola created New Coke alongside Classic Coke. They released the two and let consumers choose their favorite.
Same goes for hard forks.