Blog on/blog/Recent content in Blog onHugo -- gohugo.ioen-USWed, 26 May 2021 00:00:00 +0000Say hello to mCaptcha/blog/say-hello-to-mcaptcha/Wed, 26 May 2021 00:00:00 +0000/blog/say-hello-to-mcaptcha/At mCaptcha, we believe in digital freedom and privacy and so we built an proof-of-work based CAPTCHA system that doesn’t track. Seriously, no tracking. But that isn’t the killer feature, our system doesn’t require the user to pick cars or ID sidewalks — our system does it’s thing(usually at the click of a button) and gets out of the way. How does it work? mCaptcha uses SHA256 based proof-of-work(PoW) to rate limit users.