Samsung Pay is Samsung's mobile payment service. It uses Near Field Communication (NFC) technology to process payments at tap-to-pay terminals. The system also works with almost all other magnetic stripe terminals. These older systems are widely available throughout retailers in the U.S. Samsung Pay uses Magnetic Secure Transmission (MST) when the phone is held against one of the these registers. The phone emits a magnetic signal that stimulates the magnetic strip found on the back of the debit or credit card.
Overall Samsung Pay is a great tool for anyone who doesn't want to go through the hassle of paying with a physical debit or credit card.
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