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> Regarding Bitcoin [...] the network is increasingly moving [...] more efficient mining practices Has Bitcoin changed its mining protocol?

• tromp 3y ago
  It is and always will be Hashcash with SHA256d as hash function.
  • absinthe11 3y ago
    That's an example of sunk cost fallacy, where the miners have spent so much money (real dollars, not bitcoin) on otherwise useless ASICs that they obstruct any attempts at progress.
    • CyberDildonics 3y ago
      That's not a sunk cost fallacy, that's just sunk cost.