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From: Zac Greenwood <zachgrw@gmail.com>
To: ZmnSCPxj <ZmnSCPxj@protonmail.com>
Cc: Bitcoin Protocol Discussion
	<bitcoin-dev@lists.linuxfoundation.org>,
	SatoshiSingh <SatoshiSingh@protonmail.com>
Subject: Re: [bitcoin-dev] Opinion on proof of stake in future
Date: Tue, 18 May 2021 16:02:18 +0200	[thread overview]
Message-ID: <CAJ4-pECb9QSUDPax8SU+-KGwPgVju=YKax9eb-iRwAmZGcMcPg@mail.gmail.com> (raw)
In-Reply-To: <hASF-iYeGlsq3EhNWY0EWhk5S8R1Wwn534cWsrwLInd8K7f7bUDCAP4GgTj8_ZNsKtgv8y09GJovcS6KXhYRHODC5N_88fvCAF1Z-r2TUFg=@protonmail.com>

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Hi ZmnSCPxj,

Please note that I am not suggesting VDFs as a means to save energy, but
solely as a means to make the time between blocks more constant.

Zac


On Tue, 18 May 2021 at 12:42, ZmnSCPxj <ZmnSCPxj@protonmail.com> wrote:

> Good morning Zac,
>
> > VDFs might enable more constant block times, for instance by having a
> two-step PoW:
> >
> > 1. Use a VDF that takes say 9 minutes to resolve (VDF being subject to
> difficulty adjustments similar to the as-is). As per the property of VDFs,
> miners are able show proof of work.
> >
> > 2. Use current PoW mechanism with lower difficulty so finding a block
> takes 1 minute on average, again subject to as-is difficulty adjustments.
> >
> > As a result, variation in block times will be greatly reduced.
>
> As I understand it, another weakness of VDFs is that they are not
> inherently progress-free (their sequential nature prevents that; they are
> inherently progress-requiring).
>
> Thus, a miner which focuses on improving the amount of energy that it can
> pump into the VDF circuitry (by overclocking and freezing the circuitry),
> could potentially get into a winner-takes-all situation, possibly leading
> to even *worse* competition and even *more* energy consumption.
> After all, if you can start mining 0.1s faster than the competition, that
> is a 0.1s advantage where *only you* can mine *in the entire world*.
>
> Regards,
> ZmnSCPxj
>

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  reply	other threads:[~2021-05-18 14:02 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-07 17:17 [bitcoin-dev] Opinion on proof of stake in future SatoshiSingh
2021-05-07 23:04 ` Eric Voskuil
2021-05-08 14:33   ` Karl
2021-05-09 10:21     ` R E Broadley
2021-05-09 10:59       ` Karl
2021-05-07 23:19 ` Jeremy
2021-05-08  2:40   ` honest69abe
2021-05-08 14:42     ` Karl
2021-05-09 19:07       ` Cloud Strife
2021-05-08 13:44 ` Eric Martindale
2021-05-09 11:30   ` R E Broadley
2021-05-10 14:08 ` Erik Aronesty
2021-05-10 15:01   ` Keagan McClelland
2021-05-10 21:22     ` LORD HIS EXCELLENCY JAMES HRMH
2021-05-10 21:51     ` Jeremy
2021-05-17 16:58       ` Erik Aronesty
2021-05-18  7:06         ` ZmnSCPxj
2021-05-18 10:16           ` Zac Greenwood
2021-05-18 10:42             ` ZmnSCPxj
2021-05-18 14:02               ` Zac Greenwood [this message]
2021-05-18 18:52                 ` Erik Aronesty
2021-05-19 14:07                   ` Michael Dubrovsky
2021-05-19 15:30                     ` Michael Dubrovsky
2021-05-21  0:04                       ` Billy Tetrud
2021-05-21  9:42                         ` vizeet srivastava
2021-05-21 20:57                         ` Erik Aronesty
2021-05-21 21:45                           ` Billy Tetrud
2021-05-23  3:41                         ` Lloyd Fournier
2021-05-23 19:10                           ` Billy Tetrud
2021-05-23 19:28                             ` Billy Tetrud
2021-05-24 13:47                           ` Erik Aronesty
2021-05-24 20:43                             ` Billy Tetrud
2021-05-24 21:49                               ` Erik Aronesty
2021-05-25  1:52                                 ` Billy Tetrud
2021-05-25 13:00                                   ` Erik Aronesty
2021-05-25 20:01                                     ` Billy Tetrud
2021-05-25 21:10                                       ` befreeandopen
2021-05-26  6:53                                         ` Billy Tetrud
2021-05-26 13:11                                           ` befreeandopen
2021-05-26 22:07                                             ` Erik Aronesty
2021-05-28 14:40                                               ` befreeandopen
2021-05-28 20:06                                                 ` Erik Aronesty
2021-05-28 21:40                                                   ` Billy Tetrud
2021-06-01  8:21                                                   ` befreeandopen
2021-06-01 16:33                                                     ` Erik Aronesty
2021-06-01 19:26                                                       ` befreeandopen
2021-06-01 20:28                                                         ` Erik Aronesty
2021-06-03  5:30                                                           ` SatoshiSingh
2021-06-07  6:15                                                             ` Billy Tetrud
2021-05-27 10:08                                             ` Billy Tetrud
2021-05-27 13:11                                               ` Erik Aronesty
2021-05-28 14:36                                               ` befreeandopen
2021-05-25  8:22                               ` befreeandopen
2021-06-15 11:13                           ` James MacWhyte
2021-06-17  1:48                             ` Lloyd Fournier
2021-06-17  3:31                             ` Cloud Strife
2021-06-22 17:45                               ` Billy Tetrud
2021-06-23 18:14                                 ` Keagan McClelland
2021-06-24  0:14                                   ` Billy Tetrud
2021-06-24  0:37                                     ` Keagan McClelland
2021-06-24 17:34                                     ` yanmaani
2021-06-24 21:50                                       ` Erik Aronesty
2021-06-25  0:29                                         ` yanmaani
2021-06-25 16:08                                           ` Ruben Somsen
     [not found]                                             ` <MN2PR10MB4030EBD14EF82E29CFEDD00FB1069@MN2PR10MB4030.namprd10.prod.outlook.com>
2021-06-26 16:26                                               ` Billy Tetrud
2021-05-08 10:21 Prayank
     [not found] <mailman.100801.1624522329.32591.bitcoin-dev@lists.linuxfoundation.org>
2021-06-24  8:59 ` Carlo Spiller

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