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From: Tom Zander <tomz@freedommail.ch>
To: bitcoin-dev@lists.linuxfoundation.org
Subject: Re: [bitcoin-dev] A Small Modification to Segwit
Date: Tue, 11 Apr 2017 09:59:33 +0200	[thread overview]
Message-ID: <2151650.Y6dYBXdtR5@strawberry> (raw)
In-Reply-To: <CAJR7vkpRhNsQsem-nFkeubX04xx1y7aHwCENfg0d1266oOsXMw@mail.gmail.com>

The version field is still needed to actually allow future block version 
upgrades. We would cut off our road forward if that were to be blocked.


On Friday, 7 April 2017 22:06:39 CEST Jimmy Song via bitcoin-dev wrote:
> Currently, the version bits (currently 4 bytes, or 32 bits) in the header
> are used for BIP9 signaling. We change the version bits to a nonce-space
> so the miners can use it for overt ASICBoost. The 32-bits are now moved
> over to the Coinbase transaction as part of the witness commitment. The
> witness commitment goes from 38 bytes to 42 bytes, with the last 4 bytes
> being used as the version bits in the block header previously. The
> witness commitment becomes required as per Gregory Maxwell’s proposal.
> Reasoning


-- 
Tom Zander
Blog: https://zander.github.io
Vlog: https://vimeo.com/channels/tomscryptochannel


  parent reply	other threads:[~2017-04-11  7:59 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-07 20:06 [bitcoin-dev] A Small Modification to Segwit Jimmy Song
2017-04-08  0:05 ` Jimmy Song
2017-04-08 14:59   ` Luke Dashjr
2017-04-08 15:17     ` Jimmy Song
2017-04-08 16:05       ` Luke Dashjr
2017-04-08 16:16         ` Jimmy Song
2017-04-08 16:19   ` Timo Hanke
2017-04-08  1:48 ` praxeology_guy
2017-04-08  2:46   ` Jimmy Song
2017-04-08  8:33     ` Pavel Moravec
2017-04-08 14:35       ` Jimmy Song
2017-04-08 16:38         ` Pavel Moravec
2017-04-08 22:19           ` Jimmy Song
2017-04-08 18:15         ` praxeology_guy
2017-04-08 18:51           ` Eric Voskuil
2017-04-08 20:38             ` praxeology_guy
2017-04-09 11:46           ` Jorge Timón
2017-04-08 16:27     ` Jorge Timón
2017-04-08 17:22       ` Jorge Timón
2017-04-08 22:26         ` Jimmy Song
2017-04-09 11:48           ` Jorge Timón
2017-04-09 14:01             ` Jimmy Song
     [not found]               ` <CABm2gDqfsBREj2x5Uz9hxwt-Y6m=KHd2-hRw4gV0CbO+-8B0dg@mail.gmail.com>
2017-04-10  9:16                 ` Jorge Timón
2017-04-09 18:44   ` Erik Aronesty
2017-04-09 21:16     ` Jared Lee Richardson
2017-04-09 23:51       ` David Vorick
2017-04-10  0:20         ` Erik Aronesty
2017-04-10  1:45           ` Thomas Daede
2017-04-10 14:34     ` Bram Cohen
2017-04-10 14:46     ` Bram Cohen
2017-04-10 15:25     ` g
2017-04-10 18:17       ` Erik Aronesty
2017-04-11  2:39         ` g
2017-04-11 18:39           ` Staf Verhaegen
2017-04-11  9:31       ` Sancho Panza
2017-04-11 13:00         ` Jorge Timón
2017-04-11  7:59 ` Tom Zander [this message]
2017-04-11 13:25   ` Sancho Panza
2017-04-11 14:40     ` Jimmy Song
2017-04-11 21:25       ` Jorge Timón
2017-04-11 23:42         ` Jimmy Song

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