Paid [Xenro] Captcha 1.0.3

Add a self-hosted verification step to forum registration. Xenro Captcha uses ALTCHA proof-of-work challenges together with configurable request limits and an administrator activity log.

Verification runs through your own installation and does not require a third-party CAPTCHA API key or image-selection puzzles.

Key features

- Integration with XenForo's CAPTCHA provider selection.
- Bundled ALTCHA proof-of-work verification.
- Configurable challenge difficulty and lifetime.
- Registration request limits by IP address and session.
- Expired challenge and form-token renewal support.
- Administrator verification logs with configurable retention.
- Self-hosted verification assets and server-side validation.
- Compatibility with native registration forms and Xenro Auth Pages.