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Question
A One Time Password B Odd Transaction Password C Owner's Trading Passcode D One Time Pincode
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Solution
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An OTP or one-time password or one-time pin is a password that is valid for only one login session or transaction, on a computer system or other digital device. It avoids a number of shortcomings that were associated with traditional password-based authentications. The most important advantage of OTP is that it is not vulnerable to replay attacks. This implies that an intruder who records an OTP that was already used to conduct a transaction will not be able to abuse it, as it will be no longer valid. Hence, option (C) is the correct answer.
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