English

Blockchain is an emerging industry moving at a lightning pace, even after 10 years since bitcoin was born. It shares a similar philosophy with open-source culture and tried to bring these values into the financial area. This sharing is going to cover why open-source plays an important role in blockchain business as well as how consensus in the community affects the whole industry.

The Linux Foundation launched the Civil Infrastructure Platform (CIP) project to develop base layer, open source industrial-grade software for civil infrastructure projects, the CIP supports electrical and power grids, railway, shipping, and transportation systems, among other applications that are imperative to human life. Currently, there're several active workgroups in this project, such as Linux kernel, real-time, testing, security, and software update.

Kotlin is not only for mobile development but also for backend (it could be used everywhere actually!). In JetBrains, we build Ktor framework for backend development such as website, API, microservice. In this talk, I will introduce what Ktor is, how to integrated with Exposed SQL library, demonstrate how to build a RESTful API service in just a few lines of code. After listening to this talk, you will learn how to build API with Ktor rapidly.

What we learned from our previous vote4.hk project, and how we design wars.vote4.hk to optimize cost and workflow of an opensource project.