This page loads csmt-verify.wasm, a pure-Haskell
verifier compiled with the GHC WASM backend, and runs it under
a WASI polyfill. No server, no Haskell runtime on the page — the
entire verification happens in the sandboxed WebAssembly module.
Artifact: csmt-verify.wasm
(... bytes).
Source:
lambdasistemi/haskell-mts.