With analyzing the current electronic cash system,this paper describes an electronic cash protocol based on e- wallet ,which makes use of hybrid crytosystem and digital signature scheme on the basis of electronic wallet.是什么意思_With analyzing the current electronic cash system,this paper describes an electronic cash protocol based on e- wallet ,which makes use of hybrid crytosystem and digital signature scheme on the basis of electronic wallet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句