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There's zero reason it cannot be opensource. Proof-of-XXXXX schemes do not rely on obscurity to be functional.

• tptacek 1y ago
  The schemes large players use to increase the cost of e.g. creating new accounts on their services do in fact rely on obscurity. They target developer cost, not compute cost.
  • PaulDavisThe1st 1y ago
    But that's not what Anubis (the subject of TFA, and most of the comment threads here) is/are about.
    • tptacek 1y ago
      I think it's exactly what Anubis is about? I'm pretty familiar with what Xe is doing.
      • Krutonium 1y ago
        ...You're computing a hash, not making accounts or anything else that relies on obscurity though?
        • tptacek 1y ago
          You're computing hash in order to block automated web requests. The hash isn't the point --- the hash cost is the part of this system that isn't going to work long term.