Definition: Fork

It occurs when a community modifies the blockchainA blockchain is a type of distributed ledger technology. It is a huge database formed by blocks,cryptographically linked to each other, containing information such as transactions. These blocks are addedfollowing Lire la suite protocol or a set of elementary rules. A distinction is
made between hard and soft forks. A hard fork represents the separation of a blockchain into two different entities
(e.g. Bitcoin-BTC and Bitcoin Cash-BCH), starting from a certain block. A soft fork can be defined as a major update
on a given network. A hard fork introduces an irreversible operation, unlike a soft fork. The fork is first and foremost
a disruptive tool. It is often used when there are deep-seated disagreements between members of a community.

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