If you're not already familiar, check out this blog/newsletter
Web3 is Going Just Great...and is definitely not an enormous grift that's pouring lighter fluid on our already smoldering planet
https://www.web3isgoinggreat.com/
It's an ongoing chronicle of crypto and blockchain -related scams, hacks, etc.
The author also writes https://www.citationneeded.news/ and is likely high on the enemies list of all of the worst tech bro libertarians.
Re: Fiat substitute: Cryptocurrency
31Formerly LouisSandwich and LotharSandwich, but I can never recover passwords somehow.