Ramblings & ephemera

Subway’s frequent-eater program killed because of fraud

From Bruce Schneier’s “Forging Low-Value Paper Certificates“:

Both Subway and Cold Stone Creamery have discontinued their frequent-purchaser programs because the paper documentation is too easy to forge. (The article says that forged Subway stamps are for sale on eBay.)

… Subway is implementing a system based on magnetic stripe cards instead.

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