[bitcoin-dev] A Better MMR Definition
pete at petertodd.org
Thu Feb 23 18:19:29 UTC 2017
On Thu, Feb 23, 2017 at 09:53:58AM -0800, Chris Priest wrote:
> On 2/22/17, Peter Todd via bitcoin-dev
> <bitcoin-dev at lists.linuxfoundation.org> wrote:
> > Reposting something that came up recently in a private discussion with some
> > academics:
> > Concretely, let's define a prunable MMR with the following grammar. This
> > definition is an improvement on whats in the python-proofmarshal by
> > committing
> > to the number of items in the tree implicitly; an obvious max-log2(n)-sized
> > proof-of-tree-size can be obtained by following the right-most nodes:
> What problem does this try to solve, and what does it have to do with bitcoin?
See the discussion on TXO commitments for how MMR's could be used; a better MMR
makes for a better TXO commitment.
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