15Mb Ltd. is a professional services company that provides advice, commentary and narrative on the future of digital financial services. The principal is David G.W. Birch, a recognised international thought leader in digital identity, digital money and digital diligence.

Dave speaking at TedX 2015, Woking


Dave has authored 3 books on the topics of Bitcoin, Identity and Digital Currency and is currently writing a fourth book about the Identity of Things. Please visit Dave’s Educate page to find out more and purchase these books.

Dave signing books at Sibos 2019, London


To find out more about the types of events Dave speaks and presents at please visit his Inform and Entertain pages.

If you are trying to contact Dave with a speaking request, please contact his agent Jay Kemp at Provoke Management directly.

“Thanks a lot Dave for today’s conversation.

It was extremely inspiring!”

Dominika Blaszak, Net Guru, 2021