WebHashcash
Beta

Introduction

Installation

Compatible Browsers

Sites That Use It

WebHashcash Form Demo

On this page you can experiment with several parameters of WebHashcash and immediately see their effect in real time on the interactive form. Then you can submit the form to see the results.

Sample HTML

Form Target:
Postage Amount: ()

<form name="WebHashcashDemo" method="post" action="demo-post.php">
<script type="text/javascript" src="http://www.davidsj.com/webhashcash/embed-before.js"></script>
<p><input type="submit" value="Submit" name="submit">
<script type="text/javascript"><!--
    function WHCConfig() {
        WHCResource = "webhashcash_demo";
        WHCSubmitButton = document.WebHashcashDemo.submit;
        WHCPostage = WHCDefaultPostage - 2;
    }
//--></script>

Interactive Form

Current 'WHCStamp' input value:

WebHashcash by David Schneider-Joseph. I invite all feedback.
Based on Hashcash by Adam Back.