HomeHacker News Show HN: rePOWCHA – CAPTCHA that stops Humans, powered by crypto https://ift.tt/3oM0uKc byHat hair -January 13, 2021 0 Show HN: rePOWCHA – CAPTCHA that stops Humans, powered by crypto https://repowcha.com January 14, 2021 at 09:19AM Tags: Hacker News Facebook Twitter