Revision as of 22:36, 5 November 2007 edit 68.229.115.137 (talk) Undid revision 167236705 by 194.179.126.140 (talk) ← Previous edit		Revision as of 09:34, 23 January 2008 edit undo 125.99.102.158 (talk) No edit summary Next edit →
Line 1: {{Cleanup\|date=August 2007}} A ~~'''transaction authentication number''', or~~ '''TAN''', is used by some [[online banking]] services as a form of ''single use'' [[password]]s to authorize [[financial transaction]]s. TANs are a second layer of security above and beyond the traditional single-password [[authentication]]. An outline of how TANs function:

Transaction authentication number: Difference between revisions