Date: Wed, 29 Jun 2016 11:17:28 +0000
From: Alfie John <alfie@alfie.wtf>
To: Eric Voskuil <eric@voskuil.org>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Message-ID: <20160629111728.GO13338@dosf1.alfie.wtf>
References: <87h9cecad5.fsf@rustcorp.com.au>
	<1E86A00F-0609-4DBC-9543-94AE04CC13C9@voskuil.org>
	<577234A4.3030808@jonasschnelli.ch>
	<360EF9B8-A174-41CA-AFDD-2BC2C0B4DECB@voskuil.org>
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Subject: Re: [bitcoin-dev] BIP 151
Precedence: list

On Tue, Jun 28, 2016 at 06:45:58PM +0200, Eric Voskuil via bitcoin-dev wrote:
> > then we should definitively use a form of end-to-end encryption between
> > nodes. Built into the network layer.
> 
> Widespread application of this model is potentially problematic. It is a
> non-trivial problem to design a distributed system that requires authentication
> but without identity and without central control. In fact this may be more
> challenging than Bitcoin itself. Trust on first use (TOFU) does not solve this
> problem.

Maybe the following paper can feed into this discussion:

  "Decentralized Anonymous Credentials" by Christina Garman, Matthew Green, Ian Miers
	https://eprint.iacr.org/2013/622.pdf

Alfie

-- 
Alfie John
https://www.alfie.wtf