WasmCert-Coq
A mechanized formalization of WebAssembly 2.0 in Coq (Rocq) with soundness proofs and an extracted interpreter.
What is WasmCert-Coq?
WasmCert-Coq is a formal, machine-checked mechanization of the WebAssembly 2.0 specification in the Coq proof assistant. It defines Wasm's core semantics, typing rules, and execution model, and provides proven soundness properties and an extracted interpreter. The project solves the problem of establishing a rigorous, verifiable foundation for Wasm to enable high-assurance analysis and implementation.
Programming language researchers, formal methods practitioners, and developers working on verified WebAssembly toolchains or needing certified Wasm semantics.
Developers choose WasmCert-Coq for its comprehensive, proven formalization of Wasm 2.0 with extensions, its extracted conformance-tested interpreter, and its integration with proof frameworks like Iris for advanced verification.
Overview
A mechanisation of Wasm in Rocq
Use Cases
Best For
- Verifying correctness properties of WebAssembly semantics
- Building formally verified compilers or interpreters for Wasm
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