知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。あいうえお表（ひらがな表）：シンプル文字のみ（やゆよ・わをん版）ピンクBitcoin makes use of peer-to-peer technological innovation to function without any central authority or banking institutions; handling transactions and also the issuing of bitcoins is carried out collectively via t