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Re: [saag] Direct trust between users

Ben Laurie <benl@google.com> Fri, 26 April 2019 08:44 UTC

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From: Ben Laurie <benl@google.com>
Date: Fri, 26 Apr 2019 09:44:23 +0100
Message-ID: <CABrd9SSS_KDbv9_2zQTGb7rXgtj15eKVkMAqwfKOcY5GEsP2Ng@mail.gmail.com>
To: Nico Williams <nico@cryptonector.com>
Cc: Phillip Hallam-Baker <phill@hallambaker.com>, IETF SAAG <saag@ietf.org>
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Subject: Re: [saag] Direct trust between users
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On Wed, 24 Apr 2019 at 19:27, Nico Williams <nico@cryptonector.com> wrote:

> On Wed, Apr 24, 2019 at 01:56:40PM -0400, Phillip Hallam-Baker wrote:
> > So we have an assertion that my public key is MC23-... dated 2019-Jul-18.
> > It would have cost $1000 to forge that assertion before that date and
> > $infinity to forge afterwards.
>
> ISTM that it's $1000 (or whatever) the first and _every_ time.  That's
> because the blockchain will have to support the "help, I've lost my one
> and only device!" or "help, I've lost all my devices!" cases.
>

No, after the first time it costs $infinity. Better not lose your key.

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