Equivalently, you could just make the user pay a tiny amount of BTC or similar. ... | Hacker News

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TTPrograms on June 26, 2014 | parent | context | favorite | on: Show HN: Replace CAPTCHA with Proof-of-Work

Equivalently, you could just make the user pay a tiny amount of BTC or similar. Then they can cache the work so there's no UI delay.

hippich on June 26, 2014 [–]

While not with jQuery.hashcash.io plugin, but with direct use of API you can make it transparent for use to calculate it in background after form focus event for example. I am working on complete API documentation so third-party widget could be created.

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