We spend more and more energy on Bitcoin because we can and want to, not because we must. The network can run with significantly less hashrate if needed. PoW protects Bitcoin against spam, double spend and empty blocks. 51% attack does not destroy Bitcoin. You need to destroy all nodes. #spend #energy #Bitcoin #network #run #significantly #hashrate #needed #PoW #protects #Bitcoin #spam #double #spend #empty #blocks #attack #destroy #Bitcoin #destroy #nodes


We shell out a lot more and far more strength on Bitcoin for the reason that we can and want to, not because we ought to. The network can operate with considerably fewer hashrate if necessary. PoW protects Bitcoin versus spam, double shell out and vacant blocks. 51% attack does not wipe out Bitcoin. You will need to destroy all nodes.

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Comments (7)

  • jamesblacklock Reply

    51% attacks would not “destroy Bitcoin,” but if they happened a lot, it would certainly have a profoundly negative effect on the system as a whole.

    September 12, 2022 at 1:55 pm
  • whitslack Reply

    In order to remain secure, Bitcoin must, at a minimum, continue to employ 50% of all SHA256 hashpower in existence. If the blockchain were to be “run with significantly less hashrate,” then it would be vulnerable to attack by all the *sidelined* hashpower.

    September 12, 2022 at 1:55 pm
  • KaiN_SC Reply

    99% here dont understand bitcoin enough to judge anything (including me).

    That are more like speculations with an subset of knowledge needed to evaluate specific scenarios.

    September 12, 2022 at 1:55 pm
  • s0urdeeeez Reply

    Against Spam?

    September 12, 2022 at 1:55 pm
  • TheGreatMuffin Reply

    How does it protect from empty blocks?

    September 12, 2022 at 1:55 pm
  • vattenj Reply

    The mining is the cheapest way to acquire bitcoin, so energy cost decide the value baseline of bitcoin. With much lower cost, profit will be so huge that the cost will automatically rise due to competition

    September 12, 2022 at 1:55 pm
  • CTRL22WTF Reply

    What happens if governments cause intentional energy supply crisis, thus sharply increasing the cost of power usage… following up with a prolonged 51% control of the network through covert mining ops from “acquired” gear?

    September 12, 2022 at 1:55 pm

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