Sam, a year-old working at a bodega in Bedford-Stuyvesant said that he has seen 15 people use their ATM in just a half hour. Presumably it gets a lot of its traffic from the school. The ATMs make Bitcoin available within 30 minutes, whereas online transactions can take days to become available. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading. Support Gothamist and keep local news strong in New York. Other people use it for investments.