For a couple of years, it looked as if SecurTech was going to overtake the CardTech portion of the annual conference in terms of numbers of participants, but with last year's rollout of contactless payments by the big three card issuers, the pendulum is swinging the other way.

"It used to be we were split 50-50, now we're 70% financial, 30% security," said Bill Rutledge, program manager for SourceMedia which is producing the 16th annual CardTech/SecurTech Conference May 2-4 at the Moscone Center, San Francisco, Calif.