A one-time password (OTP) token can be a mobile app, a computer program or a security hardware device that produces a single-use password or a PIN code.
OTPs are passwords that are valid for only one transaction, or one login session, and are more secure than static passwords. OTP authenticators are often used as one part of a two-factor (2FA) or multifactor authentication. Nexus offers OTP display cards as an OTP authenticator.
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