joe031102

Chinese Comment Spam Protection asks the visitor making the comment to key in/copy a simple chinese word. This is intended to prove that the visitor is a human being but a spam robot.
Example: 成长？路 请输入“之”字
This plugin does not require JavaScript or cookies. The result of the question is being passed via a hidden field. The result is being compared with the value entered by the visitor.
Please visit <a href="http://iibetter.com/12198.html" title="Chinese Comment Spam Protection" rel="nofollow ugc">the official website</a> for further details and the latest information on this plugin.

Chinese Comment Spam Protection

Asks the visitor making the comment to key in the disappeared chinese word. This is intended to prove that the visitor is a human being but a spam rob …

bingu

这是为用为中文写作的朋友准备的一款防御spam插件。 
它可以有效地拦截内容中不带有中文字的comment和trackback(pingback)，不写入数据库中，可有效地减小spam对blog服务器的无谓使用。

Some Chinese Please!

用中文写作的blog必备的防御spam插件

Chinese Comment Spam Protection vs Some Chinese Please!