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From: Peter Todd <pete@petertodd.org>
To: Mike Hearn <mike@plan99.net>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Committing to extra block data/a better merge-mine standard
Date: Mon, 4 Nov 2013 13:32:12 -0500	[thread overview]
Message-ID: <20131104183212.GB3994@petertodd.org> (raw)
In-Reply-To: <20131104181649.GA3847@petertodd.org>

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On Mon, Nov 04, 2013 at 01:16:49PM -0500, Peter Todd wrote:
> You'll want to put some "reasonable" limit on actual path lengths, just
> pick something like 32 levels; if applications pick their UUIDs honestly
> a collision will be very unlikely. You can also make the allowed paths
> block specific by defining them as H(uuid | nonce), with nonce as an

This could be H(uuid | nLockTime) Coinbase transactions still have a
nLockTime, and while it's generally left at zero it can be any value
valid for a transaction in the block.

-- 
'peter'[:-1]@petertodd.org
00000000000000086d6d5b17d979d44a24a68bcf92eb9aea18351e4f6bc485b6

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  reply	other threads:[~2013-11-04 18:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-04 11:26 [Bitcoin-development] Auto-generated miner backbone Mike Hearn
2013-11-04 11:53 ` Peter Todd
2013-11-04 12:00   ` Mike Hearn
2013-11-04 18:16     ` [Bitcoin-development] Committing to extra block data/a better merge-mine standard Peter Todd
2013-11-04 18:32       ` Peter Todd [this message]
2013-11-04 19:11       ` Mark Friedenbach
2013-11-15 22:06         ` Peter Todd
2013-11-04 19:38       ` Mike Hearn
2013-11-04 19:53         ` Mark Friedenbach
2013-11-04 20:10           ` Mike Hearn
2013-11-04 11:58 ` [Bitcoin-development] Auto-generated miner backbone Michael Gronager
2013-11-04 12:03   ` Mike Hearn
2013-11-04 12:20     ` Peter Todd
2013-11-04 12:40     ` Michael Gronager
2013-11-04 15:58   ` Gregory Maxwell
2013-11-04 14:26 ` Peter Todd
2013-11-04 14:34   ` Pieter Wuille
2013-11-04 14:46     ` Peter Todd
     [not found]   ` <CABT1wWm1NzKSS9H=Qh3Z6pFmNHbOFKC12WaE=b3kE0mNsRgfmw@mail.gmail.com>
2013-11-04 15:04     ` Peter Todd
     [not found]       ` <CABT1wWmONUeOWRg-=FKr88bgBQf0un4bvjYW2h8d-10ys-VKtA@mail.gmail.com>
2013-11-04 15:46         ` Peter Todd
     [not found]           ` <CABT1wWmM466jWWdWAo5GmzP58xJFT70Vcr74ta+2QF2fWT+1SA@mail.gmail.com>
2013-11-04 16:07             ` Peter Todd
     [not found]               ` <CABT1wWm5BDZf7U40pOqZvTqdOKeTWUTekjUNckq5McMV=LDu_g@mail.gmail.com>
2013-11-04 16:51                 ` Peter Todd
     [not found]         ` <CABT1wWmwb17b4ACHMmDKqd94tUSKsvwAPx344mZ0VS+47myeWg@mail.gmail.com>
2013-11-04 21:04           ` Peter Todd
2013-11-04 21:45             ` Alan Reiner
2013-11-04 22:03               ` Peter Todd
2013-11-04 15:27   ` Mike Hearn
2013-11-04 17:36     ` Peter Todd
2013-11-04 15:51 ` Gregory Maxwell

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