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by loup-vaillant 1225 days ago
I'm sure all of these examples (encryption, guns, abortion, crypto currencies) are considered by some people to be that extreme situational outlier, and needs to be banned yesterday.

Mine is proof-of-waste crypto currencies such as Bitcoin, or Ethereum before the PoS merge. Too much CO2 for too little gain.

(There's also the Ponzi aspect, but I don't think we need new laws to ban Ponzi schemes: if a crypto currency turns out to be a Ponzi scheme, just sue them for making a Ponzi scheme.)