UPCX - Beyond Payments “An open-source payment system based on a high-speed blockchain optimized for payments and financial services." UPCX is a super app-enabled open source payment system employing: 1.a blockchain that enables high-speed payment settlement at the same level as existing financial institutions 2.an ecosystem that makes financial transactions more efficient and multi-functional 3.an integrated development and usage environment that makes it easy for anyone to participate.