Path: utzoo!attcan!uunet!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!rpi!wrf From: wrf@mab.ecse.rpi.edu (Wm Randolph Franklin) Newsgroups: sci.electronics Subject: Re: credit-card encoding (was Re: Wiegand wires?) Message-ID: Date: 1 Oct 90 22:23:30 GMT References: <1990Sep25.153854.2812@zoo.toronto.edu> <34388@cup.portal.com> Organization: Rensselaer Polytechnic Institute, Troy NY Lines: 20 In article <34388@cup.portal.com> mmm@cup.portal.com (Mark Robert Thorson) writes: > >WRT non-hacker types doing this, I heard about the iron technique several >years ago, when it was rumored that tickets for the Bay Area Rapid Transit >(BART) system were being duplicated in this way by the average citizens >of places like Oakland. Note that BART tickets are heavy paper, like a >postcard; this technique probably wouldn't work with a plastic credit >card because of the thickness. There was a story a year or two ago about people being convicted of counterfeiting BART tickets. How could this be detected since the individual tickets aren't serial numbered, are they? What difference is there between a ticket that BART added $10 to, and a copy of such a ticket? -- Wm. Randolph Franklin Internet: wrf@ecse.rpi.edu (or @cs.rpi.edu) Bitnet: Wrfrankl@Rpitsmts Telephone: (518) 276-6077; Telex: 6716050 RPI TROU; Fax: (518) 276-6261 Paper: ECSE Dept., 6026 JEC, Rensselaer Polytechnic Inst, Troy NY, 12180