David G.W. Birch is a Director of Consult Hyperion, the IT management consultancy that specialises in electronic transactions, where he provides specialist consultancy support to clients around the world. Before helping to found Consult Hyperion in 1986, he spent several years working as a consultant in Europe, the Far East and North America. He graduated from the University of Southampton with a B.Sc (Hons.) in Physics.
Described by The Independent newspaper in 2004 as a “grade-A geek”, by the Centre for the Study of Financial Innovation in 2005 as “one of the most user-friendly of the UK’s uber-techies” and by Financial World in 2006 as “mad”, Dave is a member of the editorial board of the E-Finance & Payments Law and Policy Journal and of the advisory board for European Business Review, a columnist for SPEED and UK correspondent to the Journal of Internet Banking and Commerce.

In today's world the value of people talking about your product is sometimes higher than the money you would get for it. ‘Pay with a Tweet’ is the first social payment system, where people pay with the value of their social network.

It’s simple, every time somebody pays with a tweet, he or she tells all their friends about the product. Boom.

Bitcoin is a peer-to-peer currency. Peer-to-peer means that no central authority issues new money or tracks transactions. These tasks are managed collectively by the network.