Last updated November 24, 2008. Created by sdrycroft on April 22, 2008.
Edited by keith.smith. Log in to edit this page.
The Hashcash module implements the Hashcash algorithm, which was originally created as a means of preventing spam emails.
Installing this module is all that needs to be done to help prevent spam form submissions from robot scripts. There is limited configuration, although it will work perfectly out of the box.