信用卡，作為現(xiàn)代社會中不可或缺的支付工具之一，在人們日常生活中扮演著重要角色。然而，隨著人們對于金融知識的需求逐漸增加，關于信用卡有效期這個看似簡單但又隱藏玄機的問題也引起了廣泛關注。

在我們日常使用信用卡時，很多人都可能注意到每張信用卡上都有一個"Valid Thru"（有效至）日期。那么究竟什么是信用卡的有效期？它又通常是多久呢？

首先, 讓我們來揭開這個謎題：所謂“Valid Thru”即表示該張銀行卡被激活后可以正常使用直至指定月份結束。換言之，“Valid Thru”的截止日期就是該張銀行賦予其持有者使用權力維持到某年某月底最后一天。

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同時, 在我國當前已經開始流傳起微型芯片IC身份識別驗證碼CVV/CVC生成器編號PIN碼序列概念，并通過RFID/NFC無線射頻技術進行支付認證授權功能?！昂诳萍肌痹丛床粩嗟貫閺V大用戶帶來便利和安全。

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