Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 9A65BD12 for ; Tue, 11 Sep 2018 17:27:24 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-ua1-f53.google.com (mail-ua1-f53.google.com [209.85.222.53]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 3652B766 for ; Tue, 11 Sep 2018 17:27:24 +0000 (UTC) Received: by mail-ua1-f53.google.com with SMTP id r15-v6so21440365uao.1 for ; Tue, 11 Sep 2018 10:27:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=v5DH7OnMRWSeynyeOoSVczW6IrigS0LoFtynKfr61v4=; b=D7jbe8gvSH3nPWQumoVjsCWClCw071yabQxeck2yRsF++wG7oFC8Gd/X34KihVsIGF Awr2/ZlLuU8upcxwbjGbr56XKAObDWi8DwsLHiMs9sprVQzTzMFOopG61EJBRR6B0acJ MDw+HAmDdJXx01f8J8YPToo0IlacXOb19ofuK5+NYUpEFqIdpOgT9Ja/iLhgwDIejk37 AK920I4kpGCrfaGRRyuEzooHnAlL7w6VRJ3L+orWTIu7ykAd9JmfjfNoAlKvHwxJxNfj ZFCSy57yGEOS6Rt3dOTKncqgL5BJT7vVneP6lt7PLGqbHuCte/JkhlTBd1OiVU/HfJQJ 7u9A== X-Gm-Message-State: APzg51CIOU5pWWm1DT2xbJcGQm/VRhl/EEFM2hM8zi2M/BJcaGjGOaib Jm4ivFVuyie9OlRTiewZcplKbwxjXJ7ZjxquI3w= X-Google-Smtp-Source: ANB0VdZ6ZWgdJfA9vuLspeGSqPXJvs9y6l0SiUq2/rdYNjJuFcGDWQeLxisU+++UXIFIjhNsaJa3wiWKqsNsZsozY04= X-Received: by 2002:a9f:2065:: with SMTP id 92-v6mr9880203uam.5.1536686843355; Tue, 11 Sep 2018 10:27:23 -0700 (PDT) MIME-Version: 1.0 References: <2e620d305c86f65cbff44b5fba548dc85c118f84.camel@timruffing.de> <20180812163734.GV499@boulet.lan> <20180903000518.GB18522@boulet.lan> In-Reply-To: From: Gregory Maxwell Date: Tue, 11 Sep 2018 17:27:09 +0000 Message-ID: To: Erik Aronesty Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Wed, 12 Sep 2018 13:40:01 +0000 Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] Schnorr signatures BIP X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Sep 2018 17:27:24 -0000 On Tue, Sep 11, 2018 at 5:20 PM Erik Aronesty wrote: > The security advantages of a redistributable threshold system are huge. If a system isn't redistributable, then a single lost or compromised key results in lost coins... meaning the system is essetntially unusable. > > I'm actually worried that Bitcoin releases a multisig that encourages loss. There is no "non- edistributiable multisig" proposed for Bitcoin anywhere that I am aware of.