He gets status points which can be redeemed for dinner party and conference invites.
I am afraid that the only conferences that would host presentantions about bitcoin are those organized by bitcoiners, who would never invite a critic, much less a hard skeptic.
As for dinners, my dinner friends won't let me talk about bitcoin for more than 30 seconds each night. And they are as surprised as you are that I be wasting so much time with this [ expletive deleted by self-censorship subroutine ].
Apr 30-May 1, 2015 AML Compliance Bootcamp for Digital Currency New York, USA
May 4, 2015 Techcrunch NY 2015 New York, USA
May 18, 2015 Digital Currencies: Where To From Here Singapore
May 18-20, 2015 All Payments Expo Europe Marbella, Spain
May 25, 2015 Finance 2.0: Konferenz Zurich, Switzerland
May 26-29, 2015 Symposium on Electronic Crime Research (eCrime 2015) Barcelona, Spain
Jun 1, 2015 Fintech Storm Digital Money & CryptoCurrencies Special London, UK
Jun 10, 2015 The Payment Services of the Future Moscow, Russia
Jul 8, 2015 Wired Money London, UK
Aug 12, 2015 Sports Betting & iGaming Asia - Bitcoinvention Masterclass Manila, Phillipines
October 25-28, 2015 Money 20/20 Las Vegas, USA
these are just a handful....