[bitcoin-dev] Using a storage engine without UTXO-index

Tom Harding tomh at thinlink.com
Sat Apr 8 18:27:19 UTC 2017


On Apr 7, 2017 12:42, "Gregory Maxwell" <greg at xiph.org> wrote:

On Fri, Apr 7, 2017 at 6:52 PM, Tom Harding via bitcoin-dev
<bitcoin-dev at lists.linuxfoundation.org> wrote:
> A network in which many nodes maintain a transaction index also enables a
> class of light node applications that ask peers to prove existence and
> spentness of TXO's.

Only with the additional commitment structure such as those proposed
by Peter Todd in his stxo/txo commitment designs, e.g.
https://petertodd.org/2016/delayed-txo-commitments


Light nodes are improved by detecting invalid transactions, even before
they are mined.
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