3 ms·

Maybe, the proof of work can run in the background.

• btown 4mo ago
  Or it can run as part of a checkout wizard's "verifying your browser and processing your payment, don't close your tab" step.
  • mattstir 4mo ago
    At which point it exists solely to punish real human users? What scraper bot is going through checkout?
    • BenjiWiebe 4mo ago
      The credit card tester bots go through the checkout process. PoW wouldn't be a big issue for them though since their volume is much lower.