Transaction Authentication Number

A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single-password authentication.


Travel

Travel is defined as the progress of people between two distant locations. Travel could be done by foot, bicycle, vehicle, train, boat, bus, airplane, ship or further means, with or without baggage, and could be one way or round trip.