Difference between Proof of Useful Work and Internet Computer Consensus?

I think you should separate out implementation from design.

  1. There’s nothing to prevent POS nodes to be run in-premise/dedicated. The economics of ETH validators nodes just make economical sense to run in cloud.

  2. The ease of attack is not a clear differentiating factor. You could spend 350 billion USD on BTC as well. You could control the NNS in theory through the same logic.

  3. Again some POS implementations do require stringent responses in specific time frame. So if your node is not upto stuff, you would get slashed if you couldn’t produce a response in time.

HTH

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