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Hashcash

2 GoKawiil briefs on this topic

Anubis anti-scraper tool highlights AI industry's 'do as I say' hypocrisy on scraping

The article's page itself was blocked by Anubis, a proof-of-work tool websites deploy to deter aggressive AI scraping bots, illustrating the very problem the piece discusses. Anubis forces browsers to solve a computational puzzle before loading content, adding negligible friction for humans but real cost for mass scrapers.

Anubis anti-scraper tool takes a year to add WebAssembly support

Anubis, a proof-of-work challenge system designed to block aggressive AI scrapers, has finally shipped a WebAssembly-based version after roughly a year of development. The tool works similarly to Hashcash, forcing browsers to solve a computational puzzle before accessing a website, which is negligible for individual users but costly at scraper scale. Site administrators use it as a stopgap measure while better methods for detecting headless browsers are developed.