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| One user recommended this thread. What they said: |
| tptacek Aug 30, 2026 | on: Creepy Crawlies | context |
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Tavis Ormandy called this, about Anubis, almost exactly a year ago:
https://news.ycombinator.com/item?id=44962529
It never really cohered as a solution. High-powered scrapers are better equipped to handle proof-of-work challenges than end users. Proof of work makes sense for a password hash, where any one guess at a password provides zero marginal utility. But every request from a scraper is productive to the scraper.