This plugin gives you a widget that displays a different Chinese character every day. The characters are randomly plucked from a list that includes all the commonly-used characters plus a few somewhat rare characters.
<h3>Uninstallation</h3>
<ol>
<li>Delete the hanzi-of-the-day folder from your site’s wp-content/plugins directory.</li>
<li>Delete the ($table_prefix)hanzi_of_the_day_ordinals table from your database.</li>
</ol>

Hanzi of the Day

A widget that displays a different Chinese character every day.

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 …

Hanzi of the Day vs Chinese Comment Spam Protection