Revision as of 07:09, 17 January 2009 edit Runtime (talk \| contribs) Extended confirmed users 1,711 edits mNo edit summary ← Previous edit		Revision as of 17:04, 19 January 2009 edit undo 68.0.124.33 (talk) more specifically, a kind of one-time password 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'' [[one-time 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