It's a silly proposition. Whether you follow the argument that the number 666 referred to Nero and that for a time he controlled the entire Roman economy or that it refers more popularly to a late stage tyrannical economic system by which people are required to buy and sell, the thinking person has to realize you cannot control people with a decentralized money (or is that too much nuance for most people to understand?).
You know, 25 years ago, Mark Knoll wrote a book called "The Scandal of the Evangelical Mind." This is the sort of thing that proves him correct.