Xcure Corp

QuantumRail Inc. provides smart card and mobile security platform technology in South Korea and internationally. Its offerings include USIM cards for mobile banking, transportation/payment, ID, loyalty management, smart card web servers, smart card management systems, and trusted service managers; eSIMs for IoT devices, connected cards, and smart factories; e-SIM management and USIM-based services; banking IC and mobile POS cards; the CoolWallet S card-type cryptocurrency hardware wallet; and micro SD cards for secure tokens and payments. The company also offers mobile security platform products such as secure MicroSD for hardware-backed isolation, trusted application kits, and secure industry visibility solutions. It serves the telecommunications, finance/banking, and mobile banking industries. Formerly known as Xcure Corp., it changed its name to QuantumRail Inc. in August 2026. QuantumRail Inc. was incorporated in 2000 and is headquartered in Gwacheon-si, South Korea.