Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WN2qd-0001Uf-2Z for bitcoin-development@lists.sourceforge.net; Mon, 10 Mar 2014 16:14:39 +0000 Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of me.com designates 17.172.220.237 as permitted sender) client-ip=17.172.220.237; envelope-from=jeanpaulkogelman@me.com; helo=st11p02mm-asmtp002.mac.com; Received: from st11p02mm-asmtpout002.mac.com ([17.172.220.237] helo=st11p02mm-asmtp002.mac.com) by sog-mx-3.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1WN2qb-0002Ws-Mb for bitcoin-development@lists.sourceforge.net; Mon, 10 Mar 2014 16:14:39 +0000 Received: from [10.0.1.102] (216-19-182-8.dyn.novuscom.net [216.19.182.8]) by st11p02mm-asmtp002.mac.com (Oracle Communications Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013)) with ESMTPSA id <0N28004Z6AFMGQA0@st11p02mm-asmtp002.mac.com> for bitcoin-development@lists.sourceforge.net; Mon, 10 Mar 2014 16:14:12 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.87,1.0.14,0.0.0000 definitions=2014-03-10_02:2014-03-10, 2014-03-10, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=2 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1401130000 definitions=main-1403100082 Content-type: multipart/alternative; boundary=Apple-Mail-A9D9B22E-9ABD-43D5-BB5F-A6F552205F95 MIME-version: 1.0 (1.0) From: Jean-Paul Kogelman X-Mailer: iPhone Mail (11B651) In-reply-to: Date: Mon, 10 Mar 2014 09:14:10 -0700 Content-transfer-encoding: 7bit Message-id: References: To: Mike Hearn X-Spam-Score: -0.5 (/) 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 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message 0.0 MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars X-Headers-End: 1WN2qb-0002Ws-Mb Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Instant / contactless payments 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: Mon, 10 Mar 2014 16:14:39 -0000 --Apple-Mail-A9D9B22E-9ABD-43D5-BB5F-A6F552205F95 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Just to add some more numbers, in Canada, the maximum is $50 and I've used i= t for transactions of $5, even less. I use it every day to pay for breakfast and it works through my wallet, even= with multiple NFC enabled cards in there (though not overlapping). The expe= rience is quite smooth; simply tap my wallet on the POS and a few seconds la= ter it's approved. jp On Mar 10, 2014, at 9:04 AM, Mike Hearn wrote: >> I just did my first contactless nfc payment with a MasterCard. It worked v= ery well and was quite delightful - definitely want to be doing more of thes= e in future. >=20 > A bit more competitive intelligence - turns out that the experience isn't q= uite so good after all. After trying a few more times to use contactless pay= ments, I found it has a ~75% failure rate based on my usage. >=20 > By far the biggest problem is also the most predictable - it's very common= here for merchants to require minimum payment sizes before they'll accept c= redit cards, often quite high, like 20 CHF or more. But the PIN-less mode on= ly works for payments below a certain threshold, I haven't quite figured out= what it is yet, but in the UK it's 20 GBP so maybe it's about 30 CHF. So th= ere turns out to be an incredibly thin price range in which the simple touch= -to-pay system actually works. Most of the time, either they: >=20 > a) Reject cards entirely because the payment is too small > b) Don't have the right hardware, or the hardware just mysteriously fails t= o work. > c) Require a PIN because the payment is too large >=20 > I'm sure Bitcoin can do better than this. >=20 > --------------------------------------------------------------------------= ---- > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and their= > applications. Written by three acclaimed leaders in the field, > this first edition is now available. Download your free book today! > http://p.sf.net/sfu/13534_NeoTech > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development --Apple-Mail-A9D9B22E-9ABD-43D5-BB5F-A6F552205F95 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

Just to add some more n= umbers, in Canada, the maximum is $50 and I've used it for transactions of $= 5, even less.

I use it every day to pay for breakfa= st and it works through my wallet, even with multiple NFC enabled cards in t= here (though not overlapping). The experience is quite smooth; simply tap my= wallet on the POS and a few seconds later it's approved.

jp

On Mar 10, 2014, at 9:04 AM, Mike Hearn &= lt;mike@plan99.net> wrote:

=
I just did my first contactless nfc payment with a MasterCard. It worked v= ery well and was quite delightful - definitely want to be doing more of thes= e in future.

A bit more competitive intelligence - turns= out that the experience isn't quite so good after all. After trying a few m= ore times to use contactless payments, I found it has a ~75% failure rate ba= sed on my usage.

By far the biggest problem is also the most predictable -= it's very common here for merchants to require minimum payment sizes before= they'll accept credit cards, often quite high, like 20 CHF or more. But the= PIN-less mode only works for payments below a certain threshold, I haven't q= uite figured out what it is yet, but in the UK it's 20 GBP so maybe it's abo= ut 30 CHF. So there turns out to be an incredibly thin price range in which t= he simple touch-to-pay system actually works. Most of the time, either they:=

a) Reject cards entirely because the payment is too smal= l
b) Don't have the right hardware, or the hardware just mysteriou= sly fails to work.
c) Require a PIN because the payment is too lar= ge

I'm sure Bitcoin can do better than this.

=
--------------------= ----------------------------------------------------------
L= earn Graph Databases - Download FREE O'Reilly Book
"Graph Da= tabases" is the definitive new guide to graph databases and their
= applications. Written by three acclaimed leaders in the field,<= br>this first edition is now available. Download your free book today!=
http://p.sf.n= et/sfu/13534_NeoTech
=
_______________________________________________
B= itcoin-development mailing list
Bitcoin-development@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bitcoin-dev= elopment
= --Apple-Mail-A9D9B22E-9ABD-43D5-BB5F-A6F552205F95--