[arez]

actually it does, in a blockchain it's theoretical impossible to change past values, in a database one or many actors could easily change past events and nobody could proof that they did (If you say, ok then let's apply checksums or hashes to past events you just ended up with making it (kind of) a blockchain again

[Dylan16807]

There are people that will argue any form of sequential data signing is a "blockchain". But now secure messengers are blockchaining, ZFS is blockchaining, bitcoin had no technical novelty... I think it's a bad definition. If the system can still run without a consensus algorithm, it's far from being a blockchain.