On Thu, May 09, 2013 at 04:10:52PM -0400, Vitalik Buterin wrote:
> Hmm, would it be possible to change IMEIs even more rapidly, eg. once every 10min and/or every time the signal drops?

E.g. after every call. The problem is that your IMSI (SIM card) is the same
even you change your IMEI frequently, so I think mobile operators are able
to detect a crazy guy with the same IMSI who changes his IMEI frequently
(for them it looks like you put your SIM card to a new phone after every call:)

So from this point of view, it is necessary to change IMSI frequently
(and cloning SIM cards is not easy now - like it was in the past) what can be
a problem (it's necessary to have many anonymous SIM cards).

> Although then I suppoose you could get caught simply because lots of disappearing IMEIs would be located to your home address.

You can make a pool of IMEI of your neighbours and use them frequently :-)

Pavol
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[Pavol Luptak, Nethemba s.r.o.] [http://www.nethemba.com] [tel: +421905400542]