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, > > 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. > > The simplest version goes like this: > > 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. > > 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. > > Any thoughts about this? > > -wendell > > grabhive.com | twitter.com/grabhive | gpg: 6C0C9411 > > ------------------------------------------------------------------------------ > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! > Discover the easy way to master current and previous Microsoft technologies > and advance your career. Get an incredible 1,500+ hours of step-by-step > tutorial videos with LearnDevNow. Subscribe today and save! > http://pubads.g.doubleclick.net/gampad/clk?id=58041391&iu=/4140/ostg.clktrk_______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development
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