Secure client-side WASM container to execute sandboxed WASM applications


Is there any cross-platform open source WebAssembly container for securely executing untrusted WASM applications on the client-side in some sort of a sandbox container? Without exposing your computer to security risks associated with running untrusted wasm executables?

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1 Answer

Some links to consider:


From a Bytecode Alliance - there is a WASM runtime project called Wasmtime:

Wasmtime is a standalone wasm-only optimizing runtime for WebAssembly and WASI. It runs WebAssembly code outside of the Web, and can be used both as a command-line utility or as a library embedded in a larger application.


Lucet is a project by Fastly, targeting the edge-computing usecase on the cloud. It will be using Wasmtime as its wasm runtime.

WebAssembly Micro Runtime (WAMR)

The WAMR runtime is targeting small embedded devices that have extremely limited resources, like micro-controllers. It is designed using a wasm interpreter

WASI common

WASI common is a standalone implementation of the WebAssembly System Interface that runtimes can use.


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