纸币发达的时候流行流行精密雕版印刷，特种纸张，特种油墨，激光防伪。和现在流行电子货币区块链，加密又有什么区别呢？

来源: HBW 于 2025-09-28 15:52:31 [旧帖] [给我悄悄话] 本文已被阅读：次

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