The thought of Bitcoin Las Vegas is getting one more novelty. Starting this week, patrons will be able to use the online currency Bitcoin to pay for rooms, food and drinks at two downtown casinos. The D casino and the city’s oldest casino, the Golden Gate, will accept bitcoins at hotel front desks beginning Wednesday. The Cyber currency will also be accepted at the D’s gift shop and two restaurants. U.S. dollars will remain the only currency accepted on the gambling floor. Derek Stevens, the co-owner of the two casinos, said he’s been intrigued by Bitcoin for years and had…