[maxgraey]

Yeah, WebAssembly have i64/u64 types as first class citizens unlike JavaScript which should emulate it or use BigInt which drastically slower than native 64-bit types. That's why crypto algorithms got a lot of speed benefits. AssemblyScript also show this. See this:

https://github.com/FriendlyCaptcha/friendly-pow https://github.com/hugomrdias/rabin-wasm