[2021] in cryptography@c2.net mail archive
Re: Mobile phones used as trackers
daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Tue Dec 30 18:30:23 1997
To: Simon Spero <ses@tipper.oit.unc.edu>
cc: cryptography@c2.net
In-reply-to: Your message of "Tue, 30 Dec 1997 18:07:50 EST."
<Pine.SUN.3.96.971230180415.29872A-100000@tipper.oit.unc.edu>
Reply-To: perry@piermont.com
Date: Tue, 30 Dec 1997 18:24:19 -0500
From: "Perry E. Metzger" <perry@piermont.com>
Simon Spero writes:
> What about (somewhat) ephemeral blinded IDs, using pre-paid ecash to pay
> unit charges. Could almost be done just by changing the way SIMs are
> generated.
As I noted in my message, this can certainly help with making calls,
but not with receiving them.
Perry
