San Francisco-based iPad point-of-sale solution provider Revel Systems announced that its merchant customers can now accept bitcoins as payment. Merchants can elect to receive bitcoin via any of Revel‘s more than 7,000 terminals, which are in use at a variety of merchants from Popeyes Louisiana Kitchen to Goodwill thrift stores. Founded in 2010, Revel Systems offers a range of POS solutions for quick-service restaurants, self-service kiosks, grocery stores and retail outlets, among other merchants.