內容簡介
總結：ALTCHA提供免費、開源的驗證碼替代方案，採用工作量證明機制來保護您的網站免受垃圾郵件和不需要的內容。
1. ALTCHA是否提供免費的驗證碼替代方案？
- 是的，ALTCHA提供一個免費、開源的驗證碼替代方案，並利用工作量證明機制來保護您的網站免受垃圾郵件和不需要的內容。
2. ALTCHA的Privacy功能有哪些特點？
- ALTCHA的Privacy功能包括不使用cookies和追蹤技術，保護使用者隱私，並能在自主託管模式下運作，完全不依賴外部服務。您也可以選擇使用他們的SaaS版本來使用Spam Filter API。
3. ALTCHA的模式操作有哪幾種？
- ALTCHA的插件有兩種操作模式：自主託管（完全自主運作而不需外部服務）和第三方外部服務（SaaS，需要API Key，可選擇EU或US區域）。
4. ALTCHA支援與哪些整合？
- ALTCHA支援與Contact Form 7、Forminator、GravityForms、HTML Forms、WPForms、WordPress登入、註冊、密碼重設、WordPress留言和自訂HTML整合。
5. ALTCHA的源代碼在哪裡可以找到？
- 您可以在GitHub上找到ALTCHA插件與Widget的所有源代碼，以及未壓縮的JavaScript和CSS資源版本。ALTCHA插件源碼：https://github.com/altcha-org/wordpress-plugin，ALTCHA Widget源碼：https://github.com/altcha-org/altcha。
6. ALTCHA的SaaS的隱私政策和使用條款在哪裡可以找到？
- 您可以在以下連結找到ALTCHA的SaaS隱私政策：https://altcha.org/privacy-policy，使用條款：https://altcha.org/terms-of-service。
外掛標籤
開發者團隊
📦 歷史版本下載
原文外掛簡介
This is ALTCHA Plugin version 1.
ALTCHA Plugin version 2 is now available, offering improved protection and enhanced reliability. An upgrade is recommended for all users.
Learn more | Installation guide | Migration guide
What’s new in version 2:
Effective: blocks 99% of spam and abuse attempts
Invisible for users: frictionless protection, no puzzles or CAPTCHAs
Works everywhere: plugin-agnostic Request Interceptor integrates with any form plugin
Handles heavy traffic: stay online with Under Attack Mode
Stops abuse at scale: firewall and rate limiting included
Privacy-first: 100% GDPR-compliant and fully accessible
Unlimited: no external services, unlimited verifications
Learn more about ALTCHA at altcha.org.
ALTCHA provides a free, open-source Captcha alternative utilizing a proof-of-work mechanism to safeguard your website against spam and unwanted content. Our anti-spam solution ensures robust spam protection without compromising user privacy.
Unlike other solutions, ALTCHA is free, open-source, and self-hosted. It operates independently without external services, avoids the use of cookies and fingerprinting, refrains from user tracking, and maintains full compliance with GDPR regulations.
Free Mode
The free self-hosted mode is enabled by default after installation. No additional setup is required, except enabling the integrations you need in the plugin settings.
Privacy
No cookies, no tracking
ALTCHA prioritizes user privacy by avoiding the use of cookies and fingerprinting techniques.
No external service
Operating in Self-hosted mode (the default setting), this plugin remains fully contained within your WordPress installation, eliminating any reliance on external services. You can opt-in for our SaaS version to utilize the Spam Filter API. For more information visit https://altcha.org.
Modes of Operation
This plugin operates in two modes, you can select which mode you want in the settings (see API Region):
Self-hosted – free, fully self-contained without external services.
Custom or SaaS API – requires a server such as ALTCHA Sentinel.
REST API
This plugin requires the WordPress REST API. If you are using any “Disable REST API” plugins, ensure that the endpoint /altcha/v1/challenge is allowed.
Supported Integrations
CoBlocks
Contact Form 7
Elementor Pro Forms
Enfold Theme
Formidable Forms
Forminator
GravityForms
HTML Forms
WPDiscuz
WPForms
WP-Members
WordPress Login, Register, Password reset
WordPress Comments
WooCommerce
Custom HTML (with a short code [altcha])
Source Code
All source code for the plugin, and the ALTCHA widget is available on GitHub. In the repository, you’ll also find versions of non-minified JavaScript and CSS assets:
Plugin: https://github.com/altcha-org/wordpress-plugin
ALTCHA Widget: https://github.com/altcha-org/altcha
Terms of Service And Privacy Policy for SaaS
Privacy Policy: https://altcha.org/privacy-policy
Terms of Service: https://altcha.org/terms-of-service
