That's something different. Blazor compiles c# to webassembly to run in the browser.
This software (Wasmtime) allows you to run webassembly code from within .net.
This software (Wasmtime) allows you to run webassembly code from within .net.
Last time I looked, blazor compiles c# to MSIL just like normal, but also provides a wasm runtime for MSIL.
At least that is part of what was communicated so far.
Though I agree it could be a nice way to make software avaiable on all platforms.
Kind of like using Google translate to go from English -> Something -> English. In theory a perfect translation would give you back your original input exactly.
Of course this should be more feasible with programming languages than with human languages.