Integrates Hashcash.IO proof-of-work widget with login/registration/comment forms.
Active development happens in GitHub repository - https://github.com/hashcash/wordpress-hashcash
Please report all issues at https://github.com/hashcash/wordpress-hashcash/issues
Because of the way plugins work, problem might arrise from specific combination of WP version, plugins, themes. Therefore for the best result everytime you submit a bug report or just seeking an advice please include following:
Typically various "Internet SEO Companies" try to leverage poor forum software protection against mass submission and create many worthless posts with links to a website they are promoting.
Some forum and blog software implement various CAPTCHA solutions but these have two negative aspects:
Many modern applications are susceptible to brute force attacks. Take a typical login form, for example. Hackers can compromise account security by trying every possible password combination. They can also leverage a large network of proxy servers to paralelize this attack. Forcing their browser to work hard makes it too expensive and slow for hackers to perform a brute force attack.
We leverage the following features:
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We follow both common sense and accessibility guidelines to make this widget accessible to people with limited abilities. We make it focusable and actionable via Tab-Enter keys, as well as we have WAI-ARIA live region which updates blind user via screen reader about progress.