This article discusses how Bluetooth Low Energy (BLE) technology could enable new contactless payment methods at retail stores. BLE allows smartphones to detect signals from antennas installed at stores. Partnerships between stores and payment companies like Apple or PayPal could allow customers to pay for in-store purchases by authorizing payments through mobile apps on their BLE-enabled phones without physical card interaction. The technology has potential benefits for customers, merchants, and payment providers in driving new payment and marketing ecosystems. However, payment networks may view it as a threat if it bypasses their existing models.