紙幣發達的時候流行流行精密雕版印刷，特種紙張，特種油墨，激光防偽。和現在流行電子貨幣區塊鏈，加密又有什麽區別呢？

來源: HBW 於 2025-09-28 15:52:31 [舊帖] [給我悄悄話] 本文已被閱讀：次

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