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From: Eric Lombrozo <elombrozo@gmail.com>
In-Reply-To: <9179D240-EE7E-41A4-AA59-7C96246D8CFB@grabhive.com>
Date: Fri, 6 Sep 2013 15:47:50 -0700
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References: <9179D240-EE7E-41A4-AA59-7C96246D8CFB@grabhive.com>
To: Wendell <w@grabhive.com>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Simple contacts exchange (was: Social
	network integration (brainstorm))
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Why not just use the transaction hash itself for the lookup? Also, =
presumably you'd want to encrypt the data so that only the recipient of =
the transaction can do this lookup.

-Eric

On Sep 6, 2013, at 8:07 AM, Wendell <w@grabhive.com> wrote:

> Hi all,
>=20
> We're thinking about ways of automatically exchanging contact details =
between wallets, in order to encourage the proliferation of identifiable =
names and photos rather than long and hard-to-verify addresses.
>=20
> The simplest version goes like this:
>=20
> 2 BTC Bitcoin is sent to someone, and a data lookup hash is inserted =
into the transaction. When it arrives on the other end, it is indeed =
looked up, and instead of being presented with a dialogue that says "you =
received 2 BTC from 13Y94z43Nbbb6wevRyk82CeDoYQ5S28zmA", it's "You =
received 2 BTC from Frank Jones" including a nice photo.
>=20
> Now. We can simply delete this data in reference to the transaction ID =
after it happens (or delete it after a time), but is there any more =
decentralized way to do it? I would prefer us to run no dedicated =
servers that would ever put us in a position of being coerced into =
giving data, or otherwise altering our system to store it.
>=20
> Any thoughts about this?
>=20
> -wendell
>=20
> grabhive.com | twitter.com/grabhive | gpg: 6C0C9411
>=20
> =
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