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Date: Fri, 6 Feb 2015 08:59:23 +0000
From: Roy Badami <roy@gnomon.org.uk>
To: Eric Voskuil <eric@voskuil.org>
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User-Agent: Mutt/1.5.20 (2009-06-14)
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
Precedence: list

> In this case there is no need for P2P communication, just pay to an
> address you already have for the other party. If you want to avoid
> address reuse, use stealth addressing.
> 
> But yes, if you don't have a stealth address for the other party you can
> certainly communicate in private as peers where you trust that you share
> a public key. The core issue here is really bootstrapping of that trust
> in an ad hoc manner.

Something interactive might still be nicer, though, to avoid the risk
of paying to an address that the payee no longer has the private key
for.  "Nooo!! Don't pay to that address.  I lost my old phone so I
generated a new wallet."

roy