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Date: Tue, 10 Feb 2015 02:59:21 -0800
From: Eric Voskuil <eric@voskuil.org>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Standardizing automatic pre-negotiation
of transaction terms with BIP70? (Emulating Amazon one-click purchase at
all merchants)
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On 02/10/2015 02:41 AM, Natanael wrote:
> Den 10 feb 2015 11:34 skrev "M=E2=92=B6rtin H=E2=92=B6bo=E2=93=8B=C5=A1=
tiak"
> <martin.habovstiak@gmail.com <mailto:martin.habovstiak@gmail.com>>:
>>
>> Why would anyone want to do anything about payment before choosing
>> what he wants to buy and for what price? I've never used Amazon but
>> isn't filling a form with shipping information enough?
>=20
> That's not what this is about.
>=20
> BIP70 isn't just payment, it is about communication the terms of the sa=
le.
Hi Natanael,
BIP70 exists for seller non-repudiation (i.e. a cryptographically signed
receipt for payment) and establishing strong seller identity in a
face-to-face or other non-web scenario (since TLS doesn't help).
Anything else is incidental.
> Let's say you're visiting an international webshop. But they don't ship=
> to your country. Wouldn't you want to know that before your start
> filling the cart? With this, your wallet / browser extension could tell=
> you right away that you can't shop there. No time wasted!
>=20
> That's just one requirement of many where you would benefit from being
> told right away if it is acceptable for both parties or not.
There's quite a bit that can be done with wallets and web sites, but
personally I'd freak out if my wallet prompted me because I visited a
web site.
e
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