Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Xi6hA-00024j-AV for bitcoin-development@lists.sourceforge.net; Sat, 25 Oct 2014 19:08:12 +0000 Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.214.181 as permitted sender) client-ip=209.85.214.181; envelope-from=alex.mizrahi@gmail.com; helo=mail-ob0-f181.google.com; Received: from mail-ob0-f181.google.com ([209.85.214.181]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Xi6h8-0006bt-KR for bitcoin-development@lists.sourceforge.net; Sat, 25 Oct 2014 19:08:12 +0000 Received: by mail-ob0-f181.google.com with SMTP id uy5so391489obc.26 for ; Sat, 25 Oct 2014 12:08:05 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.60.34.1 with SMTP id v1mr2240732oei.34.1414264085130; Sat, 25 Oct 2014 12:08:05 -0700 (PDT) Received: by 10.202.168.142 with HTTP; Sat, 25 Oct 2014 12:08:05 -0700 (PDT) In-Reply-To: References: Date: Sat, 25 Oct 2014 22:08:05 +0300 Message-ID: From: Alex Mizrahi To: Bitcoin Dev Content-Type: multipart/alternative; boundary=089e011765cd69b3b9050644040e X-Spam-Score: -0.6 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (alex.mizrahi[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1Xi6h8-0006bt-KR Subject: Re: [Bitcoin-development] death by halving X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Oct 2014 19:08:12 -0000 --089e011765cd69b3b9050644040e Content-Type: text/plain; charset=UTF-8 > The hashpower market is maturing in the direction of > financial instruments, where the owner of the hashpower is not > necessarily the one receiving income. These are becoming tradeable instruments, Meni Rosenfeld issued tradeable mining bonds back in 2012: https://bitcointalk.org/index.php?topic=65569.0 So this is hardly new stuff. But it definitely won't help. The contract specifies how many bitcoins bondholder would get depending on difficulty and other factors. But, usually, bondholder doesn't care (and cannot check) where these bitcoins come from. Thus the owner of the mining equipment can temporarily turn off that equipment off, and instead buy them on the market, as he needs to spend less money than he would spend on electricity. Then he can pocket the difference. > Simplistic models cannot predict what hashpower does in the face of > business-to-business medium- and long-term contracts. > Ah, yes, let's forget game theory, business people know it better! --089e011765cd69b3b9050644040e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
=C2=A0
The hashpower market is maturing in the direc= tion of
financial instruments, where the owner of the hashpower is not
necessarily the one receiving income.=C2=A0 These are becoming tradeable
instruments,

Meni Rosenfeld issued tradeabl= e mining bonds back in 2012:


So this is hardly new stuf= f. But it definitely won't help.
The contract specifies how m= any bitcoins bondholder would get depending on difficulty and other factors= .
But, usually, bondholder doesn't care (and cannot check) wh= ere these bitcoins come from.

Thus the owner of th= e mining equipment can temporarily turn off that equipment off, and instead= buy them on the market, as he needs to spend less money than he would spen= d on electricity. Then he can pocket the difference.
=C2=A0
Simplistic models cannot predict what hashpower does i= n the face of
business-to-business medium- and long-term contracts.
=
Ah, yes, let's forget game theory, business people know = it better!
--089e011765cd69b3b9050644040e--