Revision as of 20:15, 1 December 2020 edit Thumperward (talk \| contribs) Administrators 123,444 edits retarget merge ← Previous edit		Revision as of 20:35, 1 December 2020 edit undo AnomieBOT (talk \| contribs) Bots 6,857,570 edits m Dating maintenance tags: {{Mergeto}} {{Unreferenced section}} Next edit →
Line 1: {{mergeto\|One-time password\|date=December 2020}} 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]]. Line 6: ==Classic TAN== {{unreferenced section\|date=December 2020}} TANs often function as follows:

Transaction authentication number: Difference between revisions