From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 877E31031 for ; Sun, 27 Dec 2015 04:33:46 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-qg0-f51.google.com (mail-qg0-f51.google.com [209.85.192.51]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id E01E4A7 for ; Sun, 27 Dec 2015 04:33:45 +0000 (UTC) Received: by mail-qg0-f51.google.com with SMTP id 6so51594428qgy.1 for ; Sat, 26 Dec 2015 20:33:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=H8iHkKwRhHmQwCrip/18hrqOWoolZ/l3ybxZPNxaC9M=; b=CAfRMSLBKoe+o5MbmT9ZIr5du+l7KNO+5ZGNUV1L8tDAHBuOKPadTfs6zpOxSr2Jgb 80EPpg8vJ1uHZSqaFmm4GT24KtwA8tczJi7Sp9EJe4agqWysQExnpOw1fi52LdgP3Wod BbGjha3a9uT2iabBDWhmOGyRY8cp6MxwJqK/8R16NgVh5+4JIqsRbSAaCudFJ1CFUmwi lfH7UawRS/wCpTtZwhyLbPXbuxDyh6VL8tAW1WI7bfCVICNRBQTDljmV8QSVvGiMoZ4Z acd7GwqZk76ZyJkJ/335E82eW2OGFOIhQJbN2XG+lCYKqkKpJzTvROnB/WLFF2lNMSv5 ZyIw== X-Received: by 10.140.80.166 with SMTP id c35mr62598694qgd.20.1451190825185; Sat, 26 Dec 2015 20:33:45 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.29.73 with HTTP; Sat, 26 Dec 2015 20:33:25 -0800 (PST) In-Reply-To: References: From: =?UTF-8?Q?Emin_G=C3=BCn_Sirer?= Date: Sat, 26 Dec 2015 23:33:25 -0500 Message-ID: To: Bitcoin Dev Content-Type: multipart/alternative; boundary=001a11c135d4a2fb680527d9b18c X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] We need to fix the block withholding attack X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Development Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Dec 2015 04:33:46 -0000 --001a11c135d4a2fb680527d9b18c Content-Type: text/plain; charset=UTF-8 >Another option for how to deal with block withholding attacks: Give the miner who finds the block a bonus. ... >This must have been proposed before, right? Anyone know of a good analysis of the game theory math? Yes, Section 8.D. in Ittay's paper discusses this countermeasure, as well as a few others: https://www.cs.cornell.edu/~ie53/publications/btcPoolsSP15.pdf - egs --001a11c135d4a2fb680527d9b18c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
>Another option for how to deal with block withhol= ding attacks: Give the miner who finds the block a bonus.
...
>This must have been proposed before, right? Anyone know of a goo= d analysis of the game theory math?

Yes, Section 8.D. i= n Ittay's paper discusses=C2=A0this countermeasure, as well as a few ot= hers:

<= div>- egs

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