Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of m.gmane.org
	designates 80.91.229.3 as permitted sender)
	client-ip=80.91.229.3;
	envelope-from=gcbd-bitcoin-development@m.gmane.org;
	helo=plane.gmane.org; 
To: bitcoin-development@lists.sourceforge.net
From: Andreas Schildbach <andreas@schildbach.de>
Date: Fri, 07 Mar 2014 09:59:43 +0100
Message-ID: <lfc1ph$1dg$1@ger.gmane.org>
References: <CANEZrP3w9c_UX3dd+7LdWNXCEwjnAG+bYWxqKYo_fzakWQu=Bg@mail.gmail.com>	<CALDj+BZE1KtMGpMH3UHtxjN2vXxu39o_hAWPdg==KLsWpe1zqA@mail.gmail.com>	<lfa8pf$ckc$1@ger.gmane.org>
	<CALDj+Bbe_rCfAoA1PDX5AXSvhYauObYh7Y6nAD3EbhfHX7exQg@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
User-Agent: Mozilla/5.0 (X11; Linux x86_64;
	rv:24.0) Gecko/20100101 Thunderbird/24.3.0
In-Reply-To: <CALDj+Bbe_rCfAoA1PDX5AXSvhYauObYh7Y6nAD3EbhfHX7exQg@mail.gmail.com>
Subject: Re: [Bitcoin-development] Instant / contactless payments
Precedence: list

On 03/06/2014 07:03 PM, Alex Kotenko wrote:

>     Supporting Bluetooth is optional in the sense that if a wallet should
>     not support it, you will still receive the transaction via the P2P
>     network. So I'd say definately go for Bluetooth.
> 
> ​Yes, it's part of the​ plan. Just again - I need to make sure we
> support all major wallets. And no other wallets actually support NFC by
> now, not talking about bluetooth. So I imagine we will decide and
> implement together some solution here, both on the wallet and POS sides,
> but I will have to keep URI method and even QR codes for backwards
> compatibility, and wait for other main wallets to accept innovations
> before we will be able to completely switch to it.
> As I said earlier - bluetooth support for my POS is not a problem, we
> can plug it in easily and make it work. Support among all
> hardware/software and polished user experience - this is a main thing
> here really.

Sure, take all the time you need.

All I wanted to say is you don't need to break Bitcoin URI compatibility
in order to support direct payments via Bluetooth. It's simply an
add-on, both in the BIP21 and the BIP70 cases.