Imagine a world in which
such devices are widespread, and the user has to juggle tens of
The Internet experience
is just too
diverse for offering
clues that are consistent
across
websites
The use of hard
tokens does not
entail, as of today, a
uniform user experience
across models
and vendors
82 The Problem
them for managing many different accounts (we discussed the
possibility toward the end of the section ???Hard Tokens???). The
many different user experiences would compete for the user??™s
pro?¬?ciency and recognition abilities, without common grounds
through the different interaction patterns. Just as for the Web UI
for usernames and passwords, there would be no selective pressure
forcing the device vendors to converge on a common experience.
It is again a problem in which it does not really matter
how good individual solutions are because the issue lies in the
sheer number of solutions rather than in their speci?¬?c merits.
So, users cannot make trust decisions just on the basis of what a
UI looks like. So what? you may say; in the of?¬‚ine world, you
don??™t make decisions about what your bank clerk looks like. The
metaphor is not entirely accurate, but let??™s assume for the sake
of argument that it makes a good point.
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