From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YL8k0-0004ko-Ro for bitcoin-development@lists.sourceforge.net; Tue, 10 Feb 2015 11:12:28 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.212.169 as permitted sender) client-ip=209.85.212.169; envelope-from=natanael.l@gmail.com; helo=mail-wi0-f169.google.com; Received: from mail-wi0-f169.google.com ([209.85.212.169]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YL8jy-0006GI-Py for bitcoin-development@lists.sourceforge.net; Tue, 10 Feb 2015 11:12:28 +0000 Received: by mail-wi0-f169.google.com with SMTP id z2so12204662wiv.0 for ; Tue, 10 Feb 2015 03:12:20 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.180.90.177 with SMTP id bx17mr43963326wib.36.1423566740625; Tue, 10 Feb 2015 03:12:20 -0800 (PST) Received: by 10.194.92.208 with HTTP; Tue, 10 Feb 2015 03:12:20 -0800 (PST) Received: by 10.194.92.208 with HTTP; Tue, 10 Feb 2015 03:12:20 -0800 (PST) In-Reply-To: References: Date: Tue, 10 Feb 2015 12:12:20 +0100 Message-ID: From: Natanael To: =?UTF-8?B?TeKStnJ0aW4gSOKStmJv4pOLxaF0aWFr?= Content-Type: multipart/alternative; boundary=f46d043c7dd2e39e76050eb9f53f X-Spam-Score: 0.4 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (natanael.l[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 1.0 FREEMAIL_REPLY From and body contain different freemails X-Headers-End: 1YL8jy-0006GI-Py Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Standardizing automatic pre-negotiation of transaction terms with BIP70? (Emulating Amazon one-click purchase at all merchants) X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Feb 2015 11:12:29 -0000 --f46d043c7dd2e39e76050eb9f53f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Den 10 feb 2015 11:48 skrev "M=E2=92=B6rtin H=E2=92=B6bo=E2=93=8B=C5=A1tiak= " : > > I still don't understand. The website can have this information > available. This is exactly what e-bay does - it displays shipping > information to my country before I do anything. What's the problem? > > Also with other stuff, website can do it and browser extension can do > it too without messing with Bitcoin. 1: IP isn't guaranteed to work correctly both because you might be using a VPN out Tor. 2: Yes, the site can display all options right away, but are you willing to read all of them too? 3: Detailed information is not necessary, nor does it have to be unprompted. It doesn't need to tell you more than which country you are in. It can even prompt you with a popup that has a slider that shows exactly how much information and of what kind you're about to share (including none, if that's your choice). 4: It doesn't need to share raw data. Take a look at anonymous credentials: http://www.zurich.ibm.com/idemix/ https://eprint.iacr.org/2013/622.pdf 5: It can wait for prompting until you add the first item to the cart. --f46d043c7dd2e39e76050eb9f53f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Den 10 feb 2015 11:48 skrev "M=E2=92=B6rtin H=E2=92=B6b= o=E2=93=8B=C5=A1tiak" <martin.habovstiak@gmail.com>:
>
> I still don't understand. The website can have this information > available. This is exactly what e-bay does - it displays shipping
> information to my country before I do anything. What's the problem= ?
>
> Also with other stuff, website can do it and browser extension can do<= br> > it too without messing with Bitcoin.

1: IP isn't guaranteed to work correctly both because yo= u might be using a VPN out Tor.

2: Yes, the site can display all options right away, but are= you willing to read all of them too?

3: Detailed information is not necessary, nor does it have t= o be unprompted. It doesn't need to tell you more than which country yo= u are in. It can even prompt you with a popup that has a slider that shows = exactly how much information and of what kind you're about to share (in= cluding none, if that's your choice).

4: It doesn't need to share raw data. Take a look at ano= nymous credentials:
http://www.zurich.ibm.com/ide= mix/
https://eprint.iacr.org/20= 13/622.pdf

5: It can wait for prompting until you add the first item to= the cart.

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