Chris Tyrrell stood in front of a screen that read “Blessed are the Blockchains?!?” and addressed an eclectic crowd of about 200 that included hedge fund managers, small-town doctors and online evangelists. They had traveled from all over the country to the Sheraton Valley Forge in King of Prussia, Pa., on Nov. 17. A few were already millionaires. Others were perhaps hoping to be. But they were all there to engage a peculiar intersection of cultures and interests: the Catholic Church and crypto technology.