1. Introduction to WebAssembly Cross-platform: it can run on any platform that supports WebAssembly, including web browsers, servers, and mobile devices High performance: it uses a compact binary format that can be loaded and parsed quickly in the browser, improving application performance Security: it uses a sandbox model that isolates the code running inside it, protecting the system from malicious code

1. Container-Based Serverless Cannot Support the Next Generation of Applications As the figure above shows, we are going through a change in runtime form. From bare metal to virtual machines, applications are no longer limited by the number of local servers or the stability of the data center, and gain better elasticity and availability.