algo

algo
 n.— «More sophisticated thieves will seek out a vendor of encoding devices, and others who sell “plastic,” or blank credit cards, and “algos,” algorithms that are needed to properly encode the magnetic strip and produce a usable card.» —“Black Market in Stolen Credit Card Data Thrives on Internet” by Tom Zeller New York Times June 21, 2005. (source: Double-Tongued Dictionary)