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Date: Thu, 10 Apr 2014 17:54:18 +0100
Message-ID: <CALC81COfHg-xcwOPB2qGuF494KCwWNL3H7UrRB-uhL4wEdkOJQ@mail.gmail.com>
From: Ricardo Filipe <ricardojdfilipe@gmail.com>
To: Brian Hoffman <brianchoffman@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Chain pruning
Precedence: list

that's what blockchain pruning is all about :)

2014-04-10 17:47 GMT+01:00 Brian Hoffman <brianchoffman@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@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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