People are flying in from all over the world to attend, Mr. Wagner says, including keynote speaker Gavin Andresen from the Bitcoin Project; Jed McCaleb, founder of MtGox, the founders of TradeHill.com and other Bitcoin start-ups. The agenda includes meals at Bitcoin-friendly eateries, breakout sessions on mining, trading and merchant solutions, as well as time set aside for networking.

"All the biggest names in the world of Bitcoin are going to be here," the conference site says. "People have announced that they are flying in from China.... from Europe... from South America... even chartering private jets to get them here."