クレジットカードのＩＣ化 対応端末の普及に遅れ – 日本経済新聞
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クレジットカードのＩＣ化 対応端末の普及に遅れ
日本経済新聞 クレジットカード本体に集積回路（ＩＣ）チップを埋め込むこと。ＩＣは従来の磁気ストライプに比べ膨大な情報を記憶でき、情報を暗号に変えることもできる。そのため、変造や解析が難しく、偽造や不正利用対策として優れているとされる。日本では本人確認に暗証番号を使うのが … |
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