WASM sandbox is miles better than the JVM WASI is a standard on where to poke holes on the sandbox for your specific use-case WASM+WASI as a compilation targe

WASM sandbox is miles better than the JVM WASI is a standard on where to poke holes on the sandbox for your specific use-case WASM+WASI as a compilation target allows any program written for modern operating systems to work on any WASM runtime