books
"I read David because I can never accurately predict his opinion, which means either it's all signal, or he is in fact a natural source of randomness, both of which are highly valuable", Danny O'Brien (July 2009).
"He is an expert, engaging and witty writer. What he writes is worth reading and amusing", Financial World, p.48 (May 2007).
edited
Edited Digital Identity Management, Gower (May 2007).
authored
Author of the "blooks" The Digital Money Reader 2006, 2007, 2008 and 2009
Author of the "blooks" The Digital Identity Reader 2006, 2007 and 2008.
contributed to
With Neil A. McEvoy: The Moneychangers, Currency reform from Aristotle to E-Cash, edited by David Boyle, Earthscan (2002).