Security and privacy
2014Hashcash
Replace CAPTCHA with Proof-of-Work
Roasted89 points92 comments
4 Show HNs that got attention, 2011 to 2015. 188 points in all, 1 with 50 or more.
Security and privacy
2014Replace CAPTCHA with Proof-of-Work
Roasted89 points92 comments
Web and SaaS
2011sell files for bitcoins
Roasted34 points32 comments
Other
2015Quiet34 points14 comments
Productivity
2015Form I send all recruiters to
Mixed31 points29 comments
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