[5.1 電子錢包的架構](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85%E7%9A%84%E6%9E%B6%E6%9E%84.md) [5.2 電子賬戶](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E7%94%B5%E5%AD%90%E8%B4%A6%E6%88%B7.md) [5.3 交易系統](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E4%BA%A4%E6%98%93%E7%B3%BB%E7%BB%9F.md) [5.4 支付結算](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E6%94%AF%E4%BB%98%E7%BB%93%E7%AE%97.md) [5.5 會計憑證](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E4%BC%9A%E8%AE%A1%E5%87%AD%E8%AF%81.md) [5.6 清算對賬](%E7%94%B5%E5%AD%90%E9%92%B1%E5%8C%85/%E6%B8%85%E7%AE%97%E5%AF%B9%E8%B4%A6.md)