Explore the potential of WebAssembly as a universal runtime for serverless functions in this informative conference talk. Discover why WebAssembly, originally designed as a lightweight and portable sandbox for the web, is gaining traction in desktop and cloud applications. Learn about the advantages of using WebAssembly for building serverless functions, including its compatibility with various programming languages. Compare WebAssembly to Docker and other runtimes, focusing on improved portability and faster startup times. Witness a practical demonstration of creating functions in different languages, compiling them to portable WebAssembly binaries, and deploying them using OpenFaaS, showcasing the seamless management of these functions alongside traditional ones.