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Add Hashcash spam protection to Contact Form 7.

By: Abdussamad Abdurrazzaq.

(3)
Last Updated: 3 years ago
300+ active installs
Compatible up to: 3.8.18

Integrates Hashcash.IO proof-of-work widget with login/registration/comment forms.

By: pkaroukin.

(5)
Last Updated: 1 year ago
100+ active installs
Compatible up to: 4.3.8

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