diff options
author | ZmnSCPxj <ZmnSCPxj@protonmail.com> | 2021-05-18 12:22:09 +0000 |
---|---|---|
committer | bitcoindev <bitcoindev@gnusha.org> | 2021-05-18 12:22:20 +0000 |
commit | fe7c9b7a9e597ee227843997f4f831f5a568a30e (patch) | |
tree | 71489487113ca9a1a3f4cb3a219c14673cb0433b | |
parent | d53a5cc1a076bfb9dfd5b2afe2289a11c00d7398 (diff) | |
download | pi-bitcoindev-fe7c9b7a9e597ee227843997f4f831f5a568a30e.tar.gz pi-bitcoindev-fe7c9b7a9e597ee227843997f4f831f5a568a30e.zip |
Re: [bitcoin-dev] Proposal: Low Energy Bitcoin PoW
-rw-r--r-- | 98/60f9a4c008f49f41ad2d50dfeabf1fd3f67cb4 | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/98/60f9a4c008f49f41ad2d50dfeabf1fd3f67cb4 b/98/60f9a4c008f49f41ad2d50dfeabf1fd3f67cb4 new file mode 100644 index 000000000..48df2fa58 --- /dev/null +++ b/98/60f9a4c008f49f41ad2d50dfeabf1fd3f67cb4 @@ -0,0 +1,99 @@ +Return-Path: <ZmnSCPxj@protonmail.com> +Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) + by lists.linuxfoundation.org (Postfix) with ESMTP id 8CF18C0001 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 18 May 2021 12:22:20 +0000 (UTC) +Received: from localhost (localhost [127.0.0.1]) + by smtp2.osuosl.org (Postfix) with ESMTP id 8178B401AD + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 18 May 2021 12:22:20 +0000 (UTC) +X-Virus-Scanned: amavisd-new at osuosl.org +X-Spam-Flag: NO +X-Spam-Score: -2.299 +X-Spam-Level: +X-Spam-Status: No, score=-2.299 tagged_above=-999 required=5 + tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, + DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, + FROM_LOCAL_NOVOWEL=0.5, RCVD_IN_DNSWL_LOW=-0.7, + RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, + SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] + autolearn=ham autolearn_force=no +Authentication-Results: smtp2.osuosl.org (amavisd-new); + dkim=pass (1024-bit key) header.d=protonmail.com +Received: from smtp2.osuosl.org ([127.0.0.1]) + by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id KEE6x72ekUnE + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 18 May 2021 12:22:19 +0000 (UTC) +X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 +Received: from mail-40140.protonmail.ch (mail-40140.protonmail.ch + [185.70.40.140]) + by smtp2.osuosl.org (Postfix) with ESMTPS id 0D94E400EA + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 18 May 2021 12:22:18 +0000 (UTC) +Date: Tue, 18 May 2021 12:22:09 +0000 +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; + s=protonmail; t=1621340536; + bh=1h8+SXKycYqz3AoesCbFvHYzvHBn4c1X9NIO8Et3qC4=; + h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; + b=auTS5vc+U+et9sUjZIx7KhUZFIxguM2XY/k2uW5Syrzlvqxx5obN8Q60Rie1m+1Ch + vtPNUfAOCbDRAPhrQN19sZvk5n1aGDKgkMBbrwXhWUlEG0+dgp/GzHE6xlmZqKBUZR + xRzmder55pQXtAVcIn7wmLIF+H6JkPXJH3bPuhuA= +To: "mike@powx.org" <mike@powx.org> +From: ZmnSCPxj <ZmnSCPxj@protonmail.com> +Reply-To: ZmnSCPxj <ZmnSCPxj@protonmail.com> +Message-ID: <gU6IuHMWVlb0523voCPVfZjdgWD2XSKyF73j2fbBC-YKQH9QKfoNkOmxxOU2tR1YMh0yiGrTRWvGAtn_MPhLx-GREUUsOYZ3rJkvYjSKSZs=@protonmail.com> +In-Reply-To: <864F983C-841D-4334-94F4-5A9F7D617B70@powx.org> +References: <vTGmO3qpvd7XawxARg2vvWmeP2LOCLAIBgMRWmNNmf7mok0DRhIes5JsBnooflSNk4DX2vQCuOB7hBmSjcUT_RvtF6l8gJ9Tt69TWEeowmg=@protonmail.com> + <864F983C-841D-4334-94F4-5A9F7D617B70@powx.org> +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: quoted-printable +Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>, + marshall ball <marshallball@gmail.com> +Subject: Re: [bitcoin-dev] Proposal: Low Energy Bitcoin PoW +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.15 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Tue, 18 May 2021 12:22:20 -0000 + +Good morning Michael, + +> Nothing in a dynamic system like PoW mining can be 100% anticipated, for = +example there might be advanced in manufacturing of chips which are patente= +d and so on.=C2=A0 +> +> It sounds like your take is that this means no improvements can ever be m= +ade by any mechanism, however conservative. + +Not at all. + +Small-enough improvements over long-enough periods of time are expected and= + anticipated --- that is why there exists a difficulty adjustment mechanism= +. +What is risky if a large-enough improvement over a short-enough time that o= +verwhelms the difficulty adjustment mechanism. +ASICBOOST was a massive enough improvement that it could be argued to poten= +tially overwhelm this mechanism if it was not openly allowed for all miners= +. + +> +> We do go into a fair amount of detail about Minimum Effective Hardness in= + our paper=C2=A0https://assets.pubpub.org/xi9h9rps/01581688887859.pdf=C2= +=A0, which is actually a special case of hardness that we invented for the = +context of adding an operation to a PoW, and how it applies to random matri= +x mults. =C2=A0=C2=A0 + +This certainly helps as well. + +Regards, +ZmnSCPxj + |