Can you make decentralised systems, e.g. cryptocurrencies or serverless games, that aren't susceptible to 51% attacks by design? (Rather than, as I've seen proposed, external solutions like fining mining pools that have too large a hashing power)

  • $\begingroup$ what about PoS systems? $\endgroup$
    – user253751
    Nov 22 at 17:14
  • $\begingroup$ @user253751 it's not immdiately obvious to me how to build a serverless game or other decentralised network on top of a PoS system $\endgroup$ Nov 22 at 17:53
  • 2
    $\begingroup$ The question seems vague. What properties do you want the systems to have? What's the definition of a "51% attack" specifically? I can make decentralized systems that aren't subject to any attack: e.g., if each node is required to output the number 42 at each time step, that is easy to accomplish. $\endgroup$
    – D.W.
    Nov 23 at 6:06
  • $\begingroup$ @D.W. "cryptocurrencies or serverless (peer-to-peer) games" $\endgroup$ Nov 28 at 15:08

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