https://medium.com/@ETHW/ethw-core-%E8%87%B4%E4%BB%A5%E5%A4%AA%E5%9D%8A%E7%A4%BE%E5%8C%BA%E7%9A%84%E5%85%AC%E5%BC%80%E4%BF%A13-9-%E4%B8%BB%E9%93%BE%E5%90%AF%E5%8A%A8%E5%92%8C-ethw-%E7%9F%BF%E6%B1%A0-ff4143c805c8
