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Electricity per transaction is an extremely poor way to communicate anything useful. It says nothing about the actual harm of Bitcoin and only leaves readers (a

• endisneigh 6y ago
  why is it a poor way to communicate anything useful? if sending someone a dollar through venmo costs $0.0000001 worth of electricity and sending someone a dollar through the bitcoin network costs $1 doesn't that communicate everything you need to know?
  • frankenst1 6y ago
    Probably because twice the amount of transactions do require as much energy as half of the amount of transactions or as much energy as no transactions at all, i.e. Bitcoin's energy usage depends on the difficulty of mining a block which is not affected by the number of transactions in a block.
    • UncleMeat 6y ago
      But we can't have twice the amount of transactions because there are also block size limits.
    • cesarb 6y ago
      > i.e. Bitcoin's energy usage depends on the difficulty of mining a block which is not affected by the number of transactions in a block. Only if the transactions do not have any fee. If they have a transaction fee, this indirectly increases the difficulty of mining future blocks (since the miners get more Bitcoin per block, they can use more energy per block before their expected net return is negative, and they are incentivized to do so through competition with other miners; the Bitcoin difficulty adjustment then notices the increase in hash rate and increases the difficulty).
  • zests 6y ago
    In your example, you are giving concrete numbers. Concrete numbers are extremely useful. If you make a comparison without concrete numbers, it can often be misleading. It goes without saying that concrete numbers can be misleading on their own. It can be quite difficult to nail down rules for honest communication.
    • deleted 6y ago
      [deleted]
• lizknope 6y ago
  Why? If something uses more energy for the transaction than the value of the item I am buying or selling I call that ridiculous.