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From: Andy Parkins <andyparkins@gmail•com>
To: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] Fwd: [BIP 15] Aliases
Date: Thu, 15 Dec 2011 10:01:14 +0000	[thread overview]
Message-ID: <201112151001.23274.andyparkins@gmail.com> (raw)
In-Reply-To: <CACwuEiMu1iMnrv2zubqUugSwxu_jWmNxJtPuhdNoqJPgRHhKhg@mail.gmail.com>

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On 2011 December 15 Thursday, Walter Stanish wrote:

> > Andy sounded very convincing when talking in favor of URLs. What's
> > wrong with his proposal?
> 
> A URI identifies a resource and is in effect an alias itself.
> Identifying a resource is different from interacting with it. So,
> while <resource-type>://<resource-type-specific-alias> will work
> sufficiently for the identification, it does not explain the
> interaction.

Quite so; the BIP15 standard shouldn't be setting the format of the URI; it 
should be setting what the format of the client-server conversation is.  
Effectively, what headers will a requesting client send?  What headers should 
a server require?  What will a server respond?

> Interaction is a requirement, since there seems to be a widely felt
> need to preserve anonymity through the use of temporary addresses.

I think that's missing the point; any aliasing scheme is definitely reducing 
your anonymity, neccessarily so -- the alias has to be looked up somewhere, 
that somewhere reduces anonymity.  If anonymity is what you want, stick with 
just a bitcoin address.  The point of an aliasing server is surely to be able 
to give a single, unchanging, well known label to a transacting party, but 
still enable that party to generate a new address per transaction.

I want my webshop to be able to say "please pay 3.20 BTC to 
https://mywebshop.com/payments/orderid=27282" to enable the automatic 
connection from orderid to bitcoin address (which my payment system can then 
monitor for payment receipt).  (This is just one example).

> Generating a temporary address requires some actual processing to
> achieve, since the issuing of the new address cannot be done without
> interacting with the entity hosting the wallet (unless I'm missing
> something?).

Well yes; but then the client has no idea what address to send to unless it 
connects to that URI... interaction/address generation is done when that 
connection is made.

In short: I don't really think that this aliasing system should be concerning 
itself with preserving anonymity of the receiving party.  That is almost 
certainly already gone (I'm hardly likely to send money to someone I don't 
know unless I like gifting random cash).  The sending party loses a little 
anonymity because their IP is revealed when they connect to the aliasing 
system.  But there is very little anonymity in a supplier-client relationship 
anyway (you have to say what goods you want, and where you want them, and you 
had to interact with a website when you were ordering already).



Andy
-- 
Dr Andy Parkins
andyparkins@gmail•com

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  reply	other threads:[~2011-12-15 10:01 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-12 23:16 [Bitcoin-development] " Zell Faze
2011-12-12 23:37 ` Jorge Timón
2011-12-12 23:41   ` Luke-Jr
     [not found]     ` <CAGQP0AGBKKEqhaJZj-Rw400AjrVHE9_EMve=RWdqoaOaDsTgtw@mail.gmail.com>
2011-12-13  0:00       ` [Bitcoin-development] Fwd: " Jorge Timón
2011-12-13  0:42         ` Amir Taaki
2011-12-13  2:32           ` Daniel F
2011-12-13  2:37             ` Amir Taaki
2011-12-13  2:43               ` Luke-Jr
2011-12-13  2:52               ` Daniel F
2011-12-13 10:55           ` Mike Hearn
2011-12-13 11:42             ` Christian Decker
2011-12-13 12:32               ` Jorge Timón
2011-12-13 13:06                 ` Gavin Andresen
2011-12-13 15:46                   ` Amir Taaki
2011-12-13 16:22                     ` Andy Parkins
2011-12-14 19:22                       ` D.H.
2011-12-14 20:07                         ` Luke-Jr
2011-12-14 20:17                           ` D.H.
2011-12-14 20:21                           ` Joel Joonatan Kaartinen
2011-12-14 22:51                             ` Jorge Timón
2011-12-14 23:02                               ` Rick Wesson
2011-12-14 23:27                                 ` Luke-Jr
2011-12-15  1:22                                   ` Rick Wesson
2011-12-15  3:57                                     ` Zell Faze
2011-12-15  4:56                                       ` Kyle Henderson
2011-12-15  6:04                                         ` Zell Faze
2011-12-15  6:41                                           ` Walter Stanish
2011-12-15  7:45                                             ` Jordan Mack
2011-12-15  7:52                                               ` Jorge Timón
2011-12-15  7:48                                             ` Jorge Timón
2011-12-15  8:26                                               ` Walter Stanish
2011-12-15 10:01                                                 ` Andy Parkins [this message]
2011-12-15 11:08                                                 ` Jorge Timón
2011-12-15 11:22                                                   ` Christian Decker
2011-12-16  5:42                                                   ` Walter Stanish
2011-12-16  8:46                                                 ` Pieter Wuille
2011-12-15 15:44                                               ` Rick Wesson
2011-12-15 15:42                                           ` Rick Wesson
2011-12-16  0:07                       ` slush
2011-12-16 15:52                         ` Rick Wesson
2011-12-16 16:36                           ` slush
2011-12-16 17:10                           ` Andy Parkins
2011-12-16 17:41                             ` Rick Wesson
2011-12-16 18:29                               ` Amir Taaki
2011-12-16 19:06                                 ` Gavin Andresen
2011-12-16 19:22                                   ` Rick Wesson
2011-12-16 20:58                                   ` Andy Parkins
2011-12-16 20:54                               ` Andy Parkins
2011-12-16 21:50                                 ` Rick Wesson
2011-12-13 15:47                   ` Luke-Jr
2011-12-16 17:36                   ` Khalahan
2011-12-16 17:48                     ` Gregory Maxwell
2011-12-13 15:55               ` Walter Stanish
2011-12-13 16:15                 ` Jorge Timón
2011-12-13 16:48                 ` Gavin Andresen
2011-12-14  2:30                   ` Walter Stanish
2011-12-13  2:39     ` [Bitcoin-development] " Stefan Thomas
2011-12-12 23:52   ` Matt Corallo
2011-12-12 23:37 ` Will
     [not found] <9109000381434268897@unknownmsgid>
2011-12-13  8:55 ` [Bitcoin-development] Fwd: " Cameron Garnham

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