If you’ve ever used the Tor anonymity software to browse the web, there’s a good chance you’re very familiar with CAPTCHAs, the prove-you’re-a-human puzzles that have you select images containing street signs, storefronts, or bodies of water before accessing a site.
Tor users have to solve these puzzles constantly, and privacy advocates have complained that it dramatically degrades the experience of people who want to browse the web anonymously.
