[Bitcoin-development] Chain pruning

Brian Hoffman brianchoffman at gmail.com
Thu Apr 10 16:56:03 UTC 2014


Okay...will let myself out now ;P


On Thu, Apr 10, 2014 at 12:54 PM, Ricardo Filipe
<ricardojdfilipe at gmail.com>wrote:

> that's what blockchain pruning is all about :)
>
> 2014-04-10 17:47 GMT+01:00 Brian Hoffman <brianchoffman at gmail.com>:
> > Looks like only about ~30% disk space savings so I see your point. Is
> there
> > a critical reason why blocks couldn't be formed into "superblocks" that
> are
> > chained together and nodes could serve a specific superblock, which
> could be
> > pieced together from different nodes to get the full blockchain? This
> would
> > allow participants with limited resources to serve full portions of the
> > blockchain rather than limited pieces of the entire blockchain.
> >
> >
> > On Thu, Apr 10, 2014 at 12:28 PM, Mike Hearn <mike at plan99.net> wrote:
> >>
> >> Suggestions always welcome!
> >>
> >> The main problem with this is that the block chain is mostly random
> bytes
> >> (hashes, keys) so it doesn't compress that well. It compresses a bit,
> but
> >> not enough to change the fundamental physics.
> >>
> >> However, that does not mean the entire chain has to be stored on
> expensive
> >> rotating platters. I've suggested that in some star trek future where
> the
> >> chain really is gigantic, it could be stored on tape and spooled off at
> high
> >> speed. Literally a direct DMA from tape drive to NIC. But we're not
> there
> >> yet :)
> >
> >
> >
> >
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