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Date: Mon, 8 Jun 2015 18:28:16 -0400
From: Peter Todd <pete@petertodd.org>
To: Bob McElrath <bob_bitcoin@mcelrath.org>
Message-ID: <20150608222815.GB10819@muck>
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In-Reply-To: <F0732D02-2452-46FC-BBAD-9DFDA95D2EFB@mcelrath.org>
Cc: "Patrick Mccorry \(PGR\)" <patrick.mccorry@newcastle.ac.uk>,
	Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] New attack identified and potential
 solution	described: Dropped-transaction spam attack against the block	size
 limit
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On Mon, Jun 08, 2015 at 06:06:00PM -0400, Bob McElrath wrote:
> There was this wonderful technology invented a few years ago to deal with=
 spam. It's called Hashcash. All these hacky heuristics like block size are=
 just dancing around the problem, and the natural solution is already prese=
nt in bitcoin: smaller blocks, (down to the point of individual transaction=
s) each mined. Don't relay things that haven't been mined. As spam or trans=
action levels go up, mining targets for submission go up too.

You know, you can think of Bitcoin as a system that maintains a ledger
for transferrable hashcash... Which means transaction fees *are* paid in
hashcash.

--=20
'peter'[:-1]@petertodd.org
0000000000000000127ab1d576dc851f374424f1269c4700ccaba2c42d97e778

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