3 ms·

> suppose Bitcoin consumed as much energy as a few households That's not possible. The marginal cost of mining has to equal the value of the coins mined.

• mgraczyk 5y ago
  The cost can come from things that do not consume energy, for example fabricating a complex chip that includes rare materials.
  • slavik81 5y ago
    So, proof-of-gold?
  • lisper 5y ago
    And where do you think those rare materials come from?