SEC (Service Chain) is a native digital token of the service chain developed by the Service technology team under Canadian company, Stellar. The Service Chain (SEC) proposes a solution using a hierarchical consensus stack technology, which can deploy distributed systems in large networks, attract more participants, while maintaining high throughput and low latency times. SEC aims to build a hub for service application scenarios, representing the companys products and services in the form of digital tokens on the service chain, not just as information, but also as a representation of value.