3 ms·
It is widely used. At least in several parts of Europe I've been to and/or lived. With some variations such security measures are ubiquitous here. SMS tokens,
by skeptical 15y ago
It is widely used. At least in several parts of Europe I've been to and/or lived.
With some variations such security measures are ubiquitous here. SMS tokens, an electronic device that generates numbers. A card full of numbers of which a couple of them are asked before each transaction, etc.