From lojban+bncCNTPpI2KGxDW4O7jBBoEfJTmTA@googlegroups.com Mon Aug 30 06:22:07 2010 Received: from mail-pz0-f61.google.com ([209.85.210.61]) by chain.digitalkingdom.org with esmtp (Exim 4.72) (envelope-from ) id 1Oq4Iw-000887-GT; Mon, 30 Aug 2010 06:22:06 -0700 Received: by pzk7 with SMTP id 7sf496558pzk.16 for ; Mon, 30 Aug 2010 06:21:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=beta; h=domainkey-signature:received:x-beenthere:received:received:received :received:received-spf:x-authority-analysis:x-cloudmark-score :x-originating-ip:received:received:from:to:subject:date:user-agent :references:in-reply-to:mime-version:message-id:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:sender:list-subscribe :list-unsubscribe:content-type:content-disposition; bh=yCcf8HblfwSJU/gXRP8PLEFxSWobuYabeW5Gl5dfRKw=; b=ODBFUlY31NnVVT6AbZrIRI+MJ4wlT2ouHUhMXS0ulCEZ4SoZB78MS0D9D/og+psHJ1 pInkQNYo62ynXImiDsaM+Uj2bEIQ2WtXSmQaleIQOubFTDEU4Gha02jjo9CBSfyMr7mh k94dxJKIhICN2UDEkPZks27RylSv25FIn/ycI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlegroups.com; s=beta; h=x-beenthere:received-spf:x-authority-analysis:x-cloudmark-score :x-originating-ip:from:to:subject:date:user-agent:references :in-reply-to:mime-version:message-id:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:sender:list-subscribe :list-unsubscribe:content-type:content-disposition; b=RxDva3NATXjSHAxp9AxnuOmIxkG4tLlfPKGijnNzLKR8wf4gC/iMjviUsK2XYWxxfl +P8J8AJL8Pn6NsHbOWQ5PbU2Lz18XYpi+jcwfV14cHUmEz4d/fnK2ZGryWCk/FOPeFF7 yyx7+TSl7QmqMdGHsjOHysH0YpFlxA8G+03Jo= Received: by 10.142.62.4 with SMTP id k4mr172517wfa.10.1283174486453; Mon, 30 Aug 2010 06:21:26 -0700 (PDT) X-BeenThere: lojban@googlegroups.com Received: by 10.142.195.11 with SMTP id s11ls3160753wff.0.p; Mon, 30 Aug 2010 06:21:25 -0700 (PDT) Received: by 10.142.187.20 with SMTP id k20mr652956wff.5.1283174485295; Mon, 30 Aug 2010 06:21:25 -0700 (PDT) Received: by 10.142.187.20 with SMTP id k20mr652955wff.5.1283174485269; Mon, 30 Aug 2010 06:21:25 -0700 (PDT) Received: from cdptpa-omtalb.mail.rr.com (cdptpa-omtalb.mail.rr.com [75.180.132.120]) by gmr-mx.google.com with ESMTP id e14si4533844wfh.0.2010.08.30.06.21.24; Mon, 30 Aug 2010 06:21:25 -0700 (PDT) Received-SPF: neutral (google.com: 75.180.132.120 is neither permitted nor denied by best guess record for domain of phma@phma.optus.nu) client-ip=75.180.132.120; X-Authority-Analysis: v=1.1 cv=BrL3DIBw+19QtfxS5GttJBZpXo8jMabXug6i0sk4HaI= c=1 sm=0 a=1O9VHpee860A:10 a=ORa4HqFjfvEA:10 a=8nJEP1OIZ-IA:10 a=ITGCJgwGTuG7H/gKGaarIQ==:17 a=7AZBXlwzl5OrlvORFKYA:9 a=wWyGerhigt1_qoBBdEAA:7 a=-4dSX6uFFuMCkYMAOen8sS8YwhgA:4 a=wPNLvfGTeEIA:10 a=ITGCJgwGTuG7H/gKGaarIQ==:117 X-Cloudmark-Score: 0 X-Originating-IP: 71.71.198.100 Received: from [71.71.198.100] ([71.71.198.100:45642] helo=chausie) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 71/FA-19624-450BB7C4; Mon, 30 Aug 2010 13:21:24 +0000 Received: from localhost (localhost [127.0.0.1]) by chausie (Postfix) with ESMTP id D7EC1141C6 for ; Mon, 30 Aug 2010 09:21:23 -0400 (EDT) From: Pierre Abbat To: lojban@googlegroups.com Subject: Re: [lojban] Lojban Kids Show - economy Date: Mon, 30 Aug 2010 09:21:18 -0400 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <201008292322.53179.phma@phma.optus.nu> In-Reply-To: MIME-Version: 1.0 Message-Id: <201008300921.20919.phma@phma.optus.nu> X-Original-Sender: phma@phma.optus.nu X-Original-Authentication-Results: gmr-mx.google.com; spf=neutral (google.com: 75.180.132.120 is neither permitted nor denied by best guess record for domain of phma@phma.optus.nu) smtp.mail=phma@phma.optus.nu Reply-To: lojban@googlegroups.com Precedence: list Mailing-list: list lojban@googlegroups.com; contact lojban+owners@googlegroups.com List-ID: List-Post: , List-Help: , List-Archive: Sender: lojban@googlegroups.com List-Subscribe: , List-Unsubscribe: , Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline On Monday 30 August 2010 00:47:03 Ross Ogilvie wrote: > Coins sounds good and all, but my first thought was "they live on a > space station, wouldn't their finances be done with some system of > electronic funds transfer?" They mine asteroids; that's where they get metals from. An EFT system is vulnerable to cosmic rays flipping bits. > On the actual question posed, the metals in the coins needs to be > cheaper than the value of the coin to avoid people melting them down. > If the coins are to represent small amounts like on earth then > palladium is probably out. At current prices 5.6 grams of palladium > (the mass of a US quarter) is about US$90. Including a small amount in > an alloy coin might still be possible though. The other metals should be cheaper than the face value, but one metal (I'm picking silver) has to be at face value to provide a standard of value. Instead of palladium, I'm using rhodium for the coin with most value. Pierre -- The Black Garden on the Mountain is not on the Black Mountain. -- You received this message because you are subscribed to the Google Groups "lojban" group. To post to this group, send email to lojban@googlegroups.com. To unsubscribe from this group, send email to lojban+unsubscribe@googlegroups.com. For more options, visit this group at http://groups.google.com/group/lojban?hl=en.