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Perhaps you should compare the usefulness of bitcoin versus Facebook when you consider the energy usage of both, intentional or otherwise.

• Hamuko 6y ago
  I find both useless.
  • Ariez 6y ago
    Unlucky I guess. I would hazard a guess you find crypto overall to be useless. https://www.mastercard.com/news/perspectives/2021/why-mastercard-is-bringing-crypto-onto-our-network https://www.mastercard.com/news/perspectives/2021/why-master...
    • Hamuko 6y ago
      >I would hazard a guess you find crypto overall to be useless. No, I quite like cryptography.
      • Ariez 6y ago
        The context is clearly cryptocurrency here, not cryptography :).