STMicroelectronics and Fidesmo have created a turnkey active solution for secure contactless payments on smartwatches and other wearable technology.   The complete payment system-on-chip (SoC) is based on ST’s STPay-Boost IC, which combines a hardware secure element to protect transactions and a contactless controller featuring proprietary active-boost technology that maintains reliable NFC connections even in devices made with metallic materials. Its single-chip footprint fits easily within wea...