Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id B9D2BF5A for ; Thu, 18 Jan 2018 20:50:07 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-it0-f42.google.com (mail-it0-f42.google.com [209.85.214.42]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id B240DF3 for ; Thu, 18 Jan 2018 20:50:06 +0000 (UTC) Received: by mail-it0-f42.google.com with SMTP id q8so15155761itb.2 for ; Thu, 18 Jan 2018 12:50:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=SLdAod2r9gvQsFBspKI6Lt7riXy3qmghbnOvU1696NY=; b=sri4yqAkb2kssxXNcl9ce/AF6nRjMHGZka9CHH45BX2N/M/XuiOTuArp2+s6Rc6biO NC9db4r7a1iFE6Nn/gtGJhoDU94EqmmCNIru6XqezYqPeDWtSQhRmfNT/t0dDllZDI93 du491hZP3qLza1s24dhuuVrAudsKfvjig9Egm6He1/+7GEBIqwXRe8MZnaZBeocns9kZ S2YbmTHuf3MBcfo3X0wWewSityiItpuw7f2QM2ot/43CIvYI9y/WjOSV2+xOvHXq4S4v 0JavpwaxnaXRPbsUYBbHEYUwxkruJiuIk455X6pcLrFXUMXUCZwI5kE19wXuVzxitwQn 5Czw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=SLdAod2r9gvQsFBspKI6Lt7riXy3qmghbnOvU1696NY=; b=jIYxrSOaiK/HdI/AQGLI36IsIOKDZHnkunLx7EKxc5qevXxla34ofvCAC9h9vr5jU4 d6X2h64mhqyW0BvMsnz8BGyppKyN+I9nwZD8Gv4EEF/PREflEkf3imzmvBq5L4i++Ap+ PfspHceorLYXeI7QD7Pt2lK5XzGi7DCN4rPBvL/uCx4GmK0SZDtIZDhI5so/0T4Bcjbe +xCHCM542M0gBu1pEuZELWDI2caUbcP9wGYlhjwe5IfAe53xYFAi51wg4RToX5dFNiA3 QmzAFlkyLjiN/dumcYv6VZ0cP47Dgp6Xn3nno/XMaBCxPzC/GIKLgG43bIW1HgGjrX9m FDbg== X-Gm-Message-State: AKwxytfiVb/2Xr6gL1FEqAsP4z3CL4f/IyxMpza/UeJ9pRXP47WKE6/6 c1oq1+F6kIl/53HeRIocpTueXAhYO1fIwO8t9cE= X-Google-Smtp-Source: ACJfBotrq87+R5TK3d+xt5ANMghD1TEr2lgoD4ruzp0e5BkmfyhcPWs0SPu23QIX4CF4AolYxqdmBgXuOvb/9tBpStc= X-Received: by 10.36.43.67 with SMTP id h64mr27766305ita.121.1516308605948; Thu, 18 Jan 2018 12:50:05 -0800 (PST) MIME-Version: 1.0 Received: by 10.2.138.102 with HTTP; Thu, 18 Jan 2018 12:49:35 -0800 (PST) From: Matthew Clancy Date: Thu, 18 Jan 2018 15:49:35 -0500 Message-ID: To: thealanevans@gmail.com, bitcoin-dev@lists.linuxfoundation.org Content-Type: multipart/alternative; boundary="001a1146f166d3d7a10563131b18" X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, HTML_MESSAGE, 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: Thu, 18 Jan 2018 20:53:32 +0000 Subject: Re: [bitcoin-dev] Suggestion to remove word from BIP39 English wordlist 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: Thu, 18 Jan 2018 20:50:07 -0000 --001a1146f166d3d7a10563131b18 Content-Type: text/plain; charset="UTF-8" I would disagree here: >But most of all: >7. Removing a word or changing a list *is impossible* as verification of an >existing mnemonic requires the list. To change one word, you would need to >provide an alternative to BIP0039 to cope with alternative words, or change >all the words to a completely new set of 2048 English words so that it is >clear which wordlist is in use. All that really would need to be done is select another word that is not on the 2048 list, and then agree that by convention, the words 'satoshi' or the alternative word will represent the same number on the list. It seems to be to be a fairly simple thing to implement. --001a1146f166d3d7a10563131b18 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I would disagree here:

>But most of all:
>7. Removing a word or changing a list *is impossible* as ver= ification of an
>ex= isting mnemonic requires the list. To change one word, you would need to
>provide an alternati= ve to BIP0039 to cope with alternative words, or change
>all the words to a completely new set= of 2048 English words so that it is
>clear which wordlist is in use.

All that really would need = to be done is select another word that is not on the 2048 list, and then ag= ree that by convention,=C2=A0 the words 'satoshi' or the alternativ= e word will represent the same number on the list. It seems to be to be a f= airly simple thing to implement.=C2=A0


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