Content deleted Content added
Thumperward (talk | contribs) tag |
Thumperward (talk | contribs) this isn't a separate topic, it's a minor nomenclature difference |
||
Line 1:
{{mergeto|Multi-factor authentication}}
A '''transaction authentication number''' ('''TAN''') is used by some [[online banking]] services as a form of ''single use'' [[one-time password]]s (OTPs) to authorize [[financial transaction]]s. TANs are a second layer of security above and beyond the traditional single-password [[Authentication protocol|authentication]].
| |||