এটিএম পিন কেন চার সংখ্যারই হয়?

চার ডিজিট বা সংখ্যার পিন নম্বর দিয়ে এটিএম থেকে টাকা তুলতে হয়৷

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কিন্তু কখনও ভেবে দেখেছেন এটিএম পিন কেন চার সংখ্যারই হয়?

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প্রথমে এটিএম পিন ৬ সংখ্যার করার কথা ভাবা হয়েছিল

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কারণ ৬ সংখ্যার এটিএম পিন অনেক বেশি নিরাপদ

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৬ সংখ্যার নম্বর হ্যাক ব করা তুলনায় বেশি কঠিন

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কিন্তু এটিএম পিন ৬ সংখ্যার হলে ব্যবহারকারীদের অসুবিধা বেশি

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বড় পিন নম্বর ভুলে যাওয়ার সম্ভাবনা বেশি থাকে৷ এই কারণেই এটিএম পিন চার সংখ্যার রাখা হয়

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যদিও বিশ্বের অনেক দেশে ৬ সংখ্যার এটিএম পিন ব্যবহার করা হয়

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