people say "timechain" to be cool because that is what Satoshi originally called it
Discussion
I say it to differentiate a proof of work blockchain from blockchains that use other consensus mechanisms such as primarily proof of stake.
A blockchain backed up by proof of work is imo a true timechain, whereas proof of stake ones are blockchains but not timechains, since they lack the property of unforgeable costliness.
Best part of bitcoin is that you can get responses from All-Stars
Thanks for all you do, nostr:npub1a2cww4kn9wqte4ry70vyfwqyqvpswksna27rtxd8vty6c74era8sdcw83a