Journalist & Blogger resources provides a verifiable timestamp service for printed documents using the Bitcoin Blockchain, it is probably the first non-currency application of the Blockchain that is targeted at non-technical users - you don't need to know about Bitcoin to use the service. was created by Ink Factory, a British printer supplies retailer that has been accepting Bitcoin as a payment method since November 2013 and recently suggested it might not be right for retail.

Useful Links

Who to contact

Tim Johnson is the owner of and creator of, he will see any tweet @inkfactory, but for more formal enquiries you can call the switchboard on 01522 833 344 Mon-Fri 9am-5pm. For the fastest response, use this form:

Downloadable Media Assets

The "Social Network" cartoon featured on the homepage is available in a high-resolution CMYK print ready JPG in both horizontal and vertical formats:

It is provided under an Attribution-ShareAlike licence, you are free to publish it in print or on your own website or share on social media - if you want more permission, please email us ([email protected] )

Ink Factory logo if you'd like to use our logo in a print editorial or blog post about you are free to do so