Any reason this can't be compiled to wasm and run in browsers that way? Networking (protocol) issues?

Ed: I guess you'd need a way to run wasm in wasm, and a way to author wasm contracts - and there's not yet a wasm-hosted rust compiler?

Ed2: I'm not up to date on the state of self-hosted wasm compiler/languages... But I did come across:

https://github.com/remko/waforth

I guess it's time to dig out the thesis[t] again and look at movable code and p2p classifications again ...

[t] https://ics.uci.edu/~fielding/pubs/dissertation/net_arch_sty...