DFINITY highlights WebAssembly’s role in Internet Computer development
DFINITY founder Dominic Williams has highlighted the foundation’s long-term involvement in WebAssembly (Wasm) and its role in shaping the technical foundations of the Internet Computer.
Wasm is a portable, low-level code format designed for secure and efficient execution across different environments. While it was initially developed for web applications, the technology is increasingly being explored for uses beyond browsers, including distributed systems and edge computing. Carnegie Mellon University’s WebAssembly Research Center describes Wasm as a potential universal execution platform because of its security properties, performance and support for multiple programming languages.
Williams pointed to Andreas Rossberg, an early member of the DFINITY team and one of WebAssembly’s co-designers, as an important influence on the decision to build the Internet Computer around the standard. Rossberg was among the authors of the original WebAssembly paper and has been involved in the development of the technology through the wider Wasm community.
On the Internet Computer, canisters are executed as WebAssembly modules. Developers can write canister software in languages including Motoko and Rust before compiling it to Wasm, while additional community-supported languages can also be used where they target the Wasm environment.
The architecture allows the network to execute Wasm-based canisters in a sandboxed environment. Canisters combine compiled code with persistent state, with the network replicating execution across nodes. The model is designed around deterministic execution, which is important for maintaining consistent results across the decentralised network.
Wasm also provides the foundation for features available to developers on the Internet Computer. Motoko, the platform’s purpose-built programming language, supports orthogonal persistence, allowing program state to be retained across canister upgrades without requiring developers to manage a separate database or manually serialise the data.
DFINITY has also been involved in research into the next stages of the Wasm ecosystem. The foundation is an affiliate member of Carnegie Mellon University’s WebAssembly Research Center, which was established to bring academic and industry researchers together to explore longer-term applications of WebAssembly. CMU lists DFINITY among the centre’s affiliate members.
The research centre is examining Wasm applications beyond conventional browser environments, including distributed computing and edge systems. Its current research programme includes work on Wasm engines, language support, benchmarking, security and interfaces that could extend the technology to new types of software and hardware.
DFINITY has also explored the WebAssembly Component Model and WASI for the Internet Computer. A DFINITY developer forum discussion outlined potential support for combining libraries and code written in different languages, including Motoko and Rust, within the same canister environment. The work remains an area of exploration and development rather than a completed platform feature.
The continuing work around Wasm reflects the technology’s broader evolution from a browser-focused execution format towards a platform being explored for a wider range of computing environments. For DFINITY, that development remains closely connected to the technical architecture of the Internet Computer and its efforts to support software written in multiple programming languages.
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