The Brief The bars say Patronscan can help identify people involved in serious incidents and prevent them from returning. Two San Francisco Castro bars are pausing their use of Patronscan, a security technology that scans IDs and takes a photo of people entering the venues, following backlash from customers and LGBTQ+ and privacy rights groups. The decision follows a petition from digital rights group Fight for the Future calling on Castro bars to remove the technology. Bars say technology provides an added layer of securityThe other side:Badlands and Toad Hall said they have used electronic ID verification systems for years for ID authentication, age verification and safety. "There have been situations where an incident was captured by our security system, but we did not know the identity of the person involved," said Brian Aranda, director of operations for Badlands.