From: Gregory Maxwell <gmaxwell@gmail•com>
To: Gavin Andresen <gavinandresen@gmail•com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Detecting OP_EVAL scriptPubKeys that are to you
Date: Tue, 25 Oct 2011 10:49:45 -0400 [thread overview]
Message-ID: <CAAS2fgSYwUdiyY2XfHhWn+aN_6a72XRKs-8W7ibZM5t0tZ28rg@mail.gmail.com> (raw)
In-Reply-To: <CABsx9T3WKv3RLWT+Q6s7cCLzDL3sVRCWfmPiKcSp=_Re05m+zQ@mail.gmail.com>
On Tue, Oct 25, 2011 at 9:21 AM, Gavin Andresen <gavinandresen@gmail•com> wrote:
> You give the hash to whoever is paying you, and store the hash -->
> script mapping when you do that (assuming you're not using a
> deterministic wallet; if you are, you probably just increment a
> counter in the wallet).
If anyone finds that solution unsatisfying, consider— It's already the
case that I could take one of your disclosed public keys and create an
infinite series of secondary keys out of it for which only you could
decode, and the only way for you to find them in the blockchain would
be to have performed the same procedure and made a note of the
addresses you're watching for.
... or really, more simply I could generate a private key on your
behalf and send funds there. ("What do you mean you didn't get the
funds? I sent them to the private key defined by the cryptographic
hash of the lyrics of your favorite song!")
So it's already the case that if I didn't get your address from you
(or through a negotiation with you), I can't expect you to receive
them.
next prev parent reply other threads:[~2011-10-25 14:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 10:49 Mike Hearn
2011-10-25 13:21 ` Gavin Andresen
2011-10-25 14:49 ` Gregory Maxwell [this message]
2011-10-25 16:47 ` Alan Reiner
2011-10-26 8:58 ` Michael Grønager
2011-10-26 14:03 ` Gregory Maxwell
2011-10-26 15:00 ` Gavin Andresen
2011-10-27 7:32 ` Michael Grønager
2011-10-27 9:08 ` Gregory Maxwell
2011-10-28 10:24 ` Michael Grønager
2011-10-29 17:01 ` Gavin Andresen
2011-10-31 8:50 ` Michael Grønager
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