Pure PHP implementation of Hashcash 1.
PHP Shell
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.



PHP implementation of Hashcash 1.


The preferred method of installation is via Packagist and Composer. Run the following command to install the package and add it as a requirement to composer.json:

composer.phar require "thefox/hashcash=~1.6"


See examples.php for more examples.

require 'vendor/autoload.php';
use TheFox\Pow\Hashcash;
$stamp = Hashcash::newInstance(20, 'example@example.com')->mint();
print "hashcash stamp: '".$stamp."'\n";

Alternative Usage

require 'vendor/autoload.php';
use TheFox\Pow\Hashcash;
$hashcash = new Hashcash(20, 'example@example.com');
print "hashcash stamp: '".$hashcash->mint()."'\n";



You're welcome to contribute to this project. Fork this project at https://github.com/TheFox/hashcash. You should read GitHub's How to Fork a Repo.


Copyright (C) 2014 Christian Mayer https://fox21.at

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.