I'd guess blockchains will be the full-blown backbone of virtual worlds - the system for currency, assets, identity, even governance - before doing the same in the 'real world.' Which is where I think we will end up in the real world eventually; it's just a matter of which goes first and how long until it's the case for both.

Forks often arise from differences of opinion in the direction of a project. And tokens are increasingly a mechanism for voting on changes to their protocols. Since the point of a fork is to try a new path, the new fork may not want to port all of the prior holders opposed to trying the new path the fork was created to take.

Just like mutations to DNA in biological organisms allow for evolution through natural selection, forking lets us run multiple experiments in parallel where the strongest versions survive.

Fred Ehrsam Quotes