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 C639CE22 for ; Wed, 26 Dec 2018 18:54:54 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 488C7189 for ; Wed, 26 Dec 2018 18:54:54 +0000 (UTC) Received: by mail-wr1-f44.google.com with SMTP id x10so16341311wrs.8 for ; Wed, 26 Dec 2018 10:54:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=kHuLPXGO9b7tfNbhpHHEDZ4p2YLu9j/cYFgaIIwtH6g=; b=XRFGO6CPFoWqGP0ZzUZRC5JaPTKKUW/9TY0MT51i8YYDbI75HTkjAuO7+IY5vCIhob S37VAdB++XPStugFcM4PRH0dAs7cDMojazh4SDT7JuWtXG6qAU8CMluqmI7XSPQsCDBq 0CVOLyopuNETcsxjJjHgUDFJw6tI2JmK9dIXP08I0CnSJC7A+bgJlj+YwrwaG6JoqGPV mbtvwNvo17sY1gr/fPZwU+83XopDil58hgXhsJJsk/YAsFHm5EG+uDl8gVNo4x3hueom azzGh0TKz9G/SGpmspOyBeQika6deXZ/qLDSuhzSNH8STriazJMyIxYytihAQMycVHVm iqQA== 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=kHuLPXGO9b7tfNbhpHHEDZ4p2YLu9j/cYFgaIIwtH6g=; b=HjZM/zuIo4u42v6p7DCN7qxt40d2surKIbxg2QbWhbOE12AD1Vt6Z7o2hHs255J9Ie ycaf2d4FGJWWk1wA4U3N4UrGGgUB0SAw48R6CrxsgUf0vs081LFQwd+546YCz4v93yqv oltro0ejIqRL+kSfSkNsDWEVkgbcpU8WlazWhElYdJ4ngftGylPGQSypeEEaS4io+XrP ek820XzkqMpf9004K4cerrPgEPXTfp2PFT2ARdfhbI8nU9mAidpKDWCiU9G80EIqww+K sn6fCGtFw6VusovMEt+uFBLUr1w2lHEwKf05ACbkx+bAtpsjAa24WevukxTzOavw4naT aDng== X-Gm-Message-State: AJcUukedUw5h5pWvlsrvDn5RsUjatJsRbEZco/g3V4zlmvavKO+ZF9b4 jTU0ORWpzanOEB9YyzVwe5soxkdl3SFWLBPBtSY= X-Google-Smtp-Source: ALg8bN5oRu+uPutKShJzbiCNB8Lg0K+ms1G9eM5caXkuiotBVoTO4qljYPaNIwWV4GxFG6Z3UrD+AjdgJrKsLxfSOXI= X-Received: by 2002:adf:e707:: with SMTP id c7mr18267321wrm.196.1545850492659; Wed, 26 Dec 2018 10:54:52 -0800 (PST) MIME-Version: 1.0 References: <68330522-7e7c-c3b4-99a9-1c68ddb56f23@gmail.com> <743fb106-977e-1f34-47af-9fb3b8621e72@gmail.com> In-Reply-To: <743fb106-977e-1f34-47af-9fb3b8621e72@gmail.com> From: James MacWhyte Date: Wed, 26 Dec 2018 18:54:25 +0000 Message-ID: To: Aymeric VITTE Content-Type: multipart/alternative; boundary="0000000000007dae87057df15d7c" 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, 27 Dec 2018 14:59:24 +0000 Cc: Bitcoin Protocol Discussion Subject: Re: [bitcoin-dev] BIP39 seeds 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: Wed, 26 Dec 2018 18:54:54 -0000 --0000000000007dae87057df15d7c Content-Type: text/plain; charset="UTF-8" On Wed, Dec 26, 2018 at 11:33 AM Aymeric Vitte wrote: > so, even with a tool like yours, they can be misleaded, for example trying > a few words to replace the missing/incorrect one, get a valid seed and stay > stuck with it forever trying to play with BIP44/49 to find their keys > Just a small detail, but my tool actually looks up all the possible combinations and then finds which one has been used before by looking for past transactions on the blockchain. Therefore, it won't tell you your phrase is correct unless it is a phrase that has actually been used before (preventing what you described). Using some algorithm to take some input and generate a bip39 phrase that you can use with any bip39 wallet sounds perfectly reasonable. --0000000000007dae87057df15d7c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

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