CAPTCHAs, authentication codes, and click-throughs are the scourge of Internet users everywhere. Nobody wants to waste time filling out a form while they’re browsing the web, even if it takes just a few seconds. But although these systems may be a nuisance, they serve a very important purpose. Blocking bots prevents traffic overloads, reduces DDOS […]The post Crypto Captcha: Five Anti-Bot Projects For Human Recognition appeared first on Crypto Briefing.