Proof of Work is Only Viable Model

Outsideness is arguing POW and POS, so now I'm going to argue for proof-of-work without trying to understand either side. (Both sides are American or American-derived, after all.)

Ref: Szabo, money needs to be unforgeable costly. Otherwise you get rampant counterfeiting, which is merely first among several pathologies.

Proof of stake is not inherently costly. Work is inherently costly.
Anything which uses POS is a communist piece of shit.