StarkExpress, built by Three Sigma, is a B2B SaaS platform that leverages STARK technology to provide a scalable, non-custodial, and low-cost solution for blockchain ecosystems. It enables the deployment of ZK-based ecosystems, exposing simple APIs that allow for seamless integration of applications with minimal changes to existing solutions. The platform provides seamless non-custodial operations with configurable interoperability, while abstracting all blockchain infrastructure and complexity associated with it.