https://github.com/larshp/scrypt-rs-wasm
npm test
https://surma.dev/things/rust-to-webassembly/
https://github.com/typed-io/cryptoxide
https://github.com/MyEtherWallet/scrypt-wasm
https://rustwasm.github.io/wasm-bindgen/contributing/design/exporting-rust.html