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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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--f46d04428f3e13bf07050e5d76cf
Content-Type: text/plain; charset=UTF-8

>
> I'm imagining myself walking around broadcasting my photo and MAC
> address while hucksters push payment requests to me for approval


I hate to break it to you, but you broadcast a photo of your face every
time you walk outside ;)

Bluetooth MAC addresses are random, they aren't useful identifiers. If
someone can see you, a face is a far more uniquely identifying thing than a
MAC.

"Payment spam" might be a problem. I can imagine a wallet requiring that
such requests are signed and then spammers can be blacklisted in 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.

--f46d04428f3e13bf07050e5d76cf
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex">I&#39;m imagining myself walking around broadcas=
ting my photo and MAC<br>
address while hucksters push payment requests to me for approval</blockquot=
e><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>Blueto=
oth MAC addresses are random, they aren&#39;t useful identifiers. If someon=
e can see you, a face is a far more uniquely identifying thing than a MAC.<=
/div><div><br></div><div>&quot;Payment spam&quot; might be a problem. I can=
 imagine a wallet requiring that such requests are signed and then spammers=
 can be blacklisted in the usual fashion so they can&#39;t push things to y=
our phone anymore. Anyway, a hurdle that can be jumped if/when it becomes a=
n issue.</div></div></div></div>

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