> I think we'll end up in a world where the only way to prove what the past really is if we hash and stuck on a blockchain somewhere LOL. Blockchain to the re

> I think we'll end up in a world where the only way to prove what the past really is if we hash and stuck on a blockchain somewhere LOL. Blockchain to the rescue! Except. Which fork is the right one? The one with the most hash power? How can you be sure that one is right? Which ethereum fork is the "correct" fork? Which bitcoin fork is the "correct" fork? Blockchains don't help for shit with proving something existed. The are fully mutable data structures--it just requires more effort than a simple UPDATE statement.