The act of swiping your card demonstrates its presence. The fact that there is no signature or PIN requirement is a result of the type of business that Starbuck

The act of swiping your card demonstrates its presence. The fact that there is no signature or PIN requirement is a result of the type of business that Starbucks is (Mechant Classification Code), and the typically low transaction amount. This thread is full of misconceptions about payment processing which appear to be simple assumptions stated as facts. Having worked for one of the largest merchant acquirers in the world, it reminds me of glad I am not deal with any of that any longer.