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Date: Tue, 28 Feb 2017 20:56:16 -0500
From: Peter Todd <pete@petertodd.org>
To: Bram Cohen <bram@bittorrent.com>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Subject: Re: [bitcoin-dev] A Better MMR Definition
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On Tue, Feb 28, 2017 at 05:47:30PM -0800, Bram Cohen via bitcoin-dev wrote:
> On Tue, Feb 28, 2017 at 3:24 PM, Pieter Wuille <pieter.wuille@gmail.com>
> wrote:
>=20
> >
> > Yes, someone needs to have a lookup table from prevouts to TXO tree
> > positions. But because an insertion-ordered TXO tree does not rebalance,
> > that table can be maintained by wallets or service providers for just t=
heir
> > own coins, instead of by every full node and miner individually for
> > everyone's coins.
> >
>=20
> That falls apart if you want to support proofs of non-spend, which is the
> point of the whole exercise

Can you explain in more detail what you mean there?

--=20
https://petertodd.org 'peter'[:-1]@petertodd.org

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