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	<CANEZrP3v=ySS4gragaWuBMWi_swocRRRq_kw2edo6+9kifgrFQ@mail.gmail.com>
	<54D3D636.1030308@voskuil.org>
	<CANEZrP3ekWQWeV=Yw_E=n0grORBLHaXLUh3w0EFQdz=HsjWvZw@mail.gmail.com>
	<279489A5-1E46-48A2-8F58-1A25821D4D96@gmail.com>
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From: Eric Voskuil <eric@voskuil.org>
Date: Thu, 5 Feb 2015 13:23:48 -0800
To: Brian Hoffman <brianchoffman@gmail.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>,
	Paul Puey <paul@airbitz.co>
Subject: Re: [Bitcoin-development] Proposal for P2P Wireless (Bluetooth LE)
	transfer of Payment URI
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Yes, a stellar device for mass surveillance coupled with transaction taintin=
g.

e


> On Feb 5, 2015, at 1:19 PM, Brian Hoffman <brianchoffman@gmail.com> wrote:=

>=20
> This sounds horrible. You could basically monitor anyone with a wallet in a=
 highly populated area and track them super easily by doing facial recogniti=
on. Yes you could photograph people but it's way more burdensome. Sorry to g=
o off topic a little.
>=20
>=20
> On Feb 5, 2015, at 3:50 PM, Mike Hearn <mike@plan99.net> wrote:
>=20
>>> I'm imagining myself walking around broadcasting my photo and MAC
>>> address while hucksters push payment requests to me for approval
>>=20
>> I hate to break it to you, but you broadcast a photo of your face every t=
ime you walk outside ;)
>>=20
>> Bluetooth MAC addresses are random, they aren't useful identifiers. If so=
meone can see you, a face is a far more uniquely identifying thing than a MA=
C.
>>=20
>> "Payment spam" might be a problem. I can imagine a wallet requiring that s=
uch requests are signed and then spammers can be blacklisted in the usual fa=
shion so they can't push things to your phone anymore. Anyway, a hurdle that=
 can be jumped if/when it becomes an issue.
>> -------------------------------------------------------------------------=
-----
>> Dive into the World of Parallel Programming. The Go Parallel Website,
>> sponsored by Intel and developed in partnership with Slashdot Media, is y=
our
>> hub for all things parallel software development, from weekly thought
>> leadership blogs to news, videos, case studies, tutorials and more. Take a=

>> look and join the conversation now. http://goparallel.sourceforge.net/
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Yes, a stellar device for mass surveil=
lance coupled with transaction tainting.</div><div><br></div><div>e<br><br><=
/div><div><br>On Feb 5, 2015, at 1:19 PM, Brian Hoffman &lt;<a href=3D"mailt=
o:brianchoffman@gmail.com">brianchoffman@gmail.com</a>&gt; wrote:<br><br></d=
iv><blockquote type=3D"cite"><div><meta http-equiv=3D"content-type" content=3D=
"text/html; charset=3Dutf-8"><div>This sounds horrible. You could basically m=
onitor anyone with a wallet in a highly populated area and track them super e=
asily by doing facial recognition. Yes you could photograph people but it's w=
ay more burdensome. Sorry to go off topic a little.</div><div><br></div><div=
><br></div><div>On Feb 5, 2015, at 3:50 PM, Mike Hearn &lt;<a href=3D"mailto=
:mike@plan99.net">mike@plan99.net</a>&gt; wrote:<br><br></div><blockquote ty=
pe=3D"cite"><div><div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"g=
mail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex">I'm imagining myself walking aroun=
d broadcasting my photo and MAC<br>
address while hucksters push payment requests to me for approval</blockquote=
><div><br></div><div>I hate to break it to you, but you broadcast a photo of=
 your face every time you walk outside ;)</div><div><br></div><div>Bluetooth=
 MAC addresses are random, they aren't useful identifiers. If someone can se=
e you, a face is a far more uniquely identifying thing than a MAC.</div><div=
><br></div><div>"Payment spam" might be a problem. I can imagine a wallet re=
quiring that such requests are signed and then spammers can be blacklisted i=
n the usual fashion so they can't push things to your phone anymore. Anyway,=
 a hurdle that can be jumped if/when it becomes an issue.</div></div></div><=
/div>
</div></blockquote><blockquote type=3D"cite"><div><span>--------------------=
----------------------------------------------------------</span><br><span>D=
ive into the World of Parallel Programming. The Go Parallel Website,</span><=
br><span>sponsored by Intel and developed in partnership with Slashdot Media=
, is your</span><br><span>hub for all things parallel software development, f=
rom weekly thought</span><br><span>leadership blogs to news, videos, case st=
udies, tutorials and more. Take a</span><br><span>look and join the conversa=
tion now. <a href=3D"http://goparallel.sourceforge.net/">http://goparallel.s=
ourceforge.net/</a></span></div></blockquote><blockquote type=3D"cite"><div>=
<span>_______________________________________________</span><br><span>Bitcoi=
n-development mailing list</span><br><span><a href=3D"mailto:Bitcoin-develop=
ment@lists.sourceforge.net">Bitcoin-development@lists.sourceforge.net</a></s=
pan><br><span><a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoi=
n-development">https://lists.sourceforge.net/lists/listinfo/bitcoin-developm=
ent</a></span><br></div></blockquote></div></blockquote></body></html>=

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