Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id C4E049452 for ; Mon, 4 Feb 2019 21:06:09 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 4BF06854 for ; Mon, 4 Feb 2019 21:06:09 +0000 (UTC) Received: by mail-wr1-f48.google.com with SMTP id t27so1422138wra.6 for ; Mon, 04 Feb 2019 13:06:09 -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; bh=5EKlw7QqLBycDXV0CWf+VjF5sPtGbiMsyGijcXRcZwg=; b=liX8HFZYgmkOJ2wyfOsAiIZOfOy9l2DpgztQFBKPJN3L9TaW0esL/TrRWc4PAARCnd kLcjYNvGZQKh9wWvp0saq4bf7MPB8p/MVDEBIHkB0oOx616EmUMMcGUGgW0fqAZr8OCN sfF5OTsMkRZENpKMtDPZB1S+ZlJ8kI//63KkXwUk7HAiUMBhe89jb/sN/nTYT6TcKTc0 TcKP8PFcMPbjDBpjm/LHRj0AX1NfrXx4qDsTBUSSgPQSdg6fv98G/tsfinv5TBXmO+zI EMM9OvKfkON/oJTvuaPtvs5pWbrn93PyDsekQzBDru6Wq3RzEnOiOlZO1CB9Sqoi12sD BGTw== 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; bh=5EKlw7QqLBycDXV0CWf+VjF5sPtGbiMsyGijcXRcZwg=; b=IbDYCbG4DlMyBWTZ2zWq/55sQg+gBp/Dn0kRVsVGmbHgeIZr+CuGMGC0BJPfF3enZN 5B5cT/KzgHmDPQM/H3etDOnMGLOQO2yZv4y94OAewYAcK66T7dQcSia0RxrqvXcJX0ly 4dLiVLR+icOQoqkl0kDvwmBS3+xCELRRVhCDk0wJhhkDMu6mx4K6ZVbkAz7HzYlCnb92 z0BkHWOQ5oQwxNGdvZAgVr6GYorGeHudekT3QKbMhxfIeaNjLvAsVPDxBnRhcz5yGzSA 5WUOdnlIkDR+nn4XXu4p/v0WgBIDL+jeqIZ6Xwq3zDx4Tm5KPgLPwSyX7jaUOEoLQgVd JL/g== X-Gm-Message-State: AHQUAuacrsCZIis3unuUW1f70xnS5D5xDTzLB06xXppO18+pYyMozT5o YOjvpaa8+PKvKv78+dTtd+lOQgxsrhtuGXR5kec= X-Google-Smtp-Source: AHgI3Ia7BtZa/plaoGymijg6Y8T7QFJnXwtsFD6Dp6lF5NX83gWZa02EGhwurR3FQNnoCVRoqyYCRnZGgrVWTFN2kDM= X-Received: by 2002:adf:92a4:: with SMTP id 33mr945526wrn.11.1549314367685; Mon, 04 Feb 2019 13:06:07 -0800 (PST) MIME-Version: 1.0 References: <2s__WN8iJ71DEJxYfCGbJpcp3lVLuOV95To49v3xc9XxyHod7ikfJU3EjYt2bSReGlKpjLxny0fR8KkEGjZynH8OFBoy_aCfWaScv9Vw5I4=@protonmail.com> In-Reply-To: <2s__WN8iJ71DEJxYfCGbJpcp3lVLuOV95To49v3xc9XxyHod7ikfJU3EjYt2bSReGlKpjLxny0fR8KkEGjZynH8OFBoy_aCfWaScv9Vw5I4=@protonmail.com> From: James MacWhyte Date: Mon, 4 Feb 2019 13:05:41 -0800 Message-ID: To: rhavar@protonmail.com, Bitcoin Protocol Discussion Content-Type: multipart/alternative; boundary="000000000000880ae1058117dc65" 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: Mon, 04 Feb 2019 22:28:21 +0000 Subject: Re: [bitcoin-dev] Card Shuffle To Bitcoin Seed 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: Mon, 04 Feb 2019 21:06:09 -0000 --000000000000880ae1058117dc65 Content-Type: text/plain; charset="UTF-8" James On Sun, Feb 3, 2019 at 10:27 AM Ryan Havar via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Conveniently a shuffled deck of cards also can serve as a physical backup > which is easy to hide in plain sight with great plausible deniability. > To make sure someone doesn't play with your cards and mix up the order, use a permanent marker to draw a diagonal line on the side of the deck from corner to corner. If the cards ever get mixed up, you can put them back in order by making sure the diagonal line matches up. --000000000000880ae1058117dc65 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

James


On Sun, Feb 3, 2019 at 10:27 AM= Ryan Havar via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
Conveniently a shuf= fled deck of cards also can serve as a physical backup which is easy to hid= e in plain sight with great plausible deniability.
<= br>
To make sure someone doesn't play with your cards and mix= up the order, use a permanent marker to draw a diagonal line on the side o= f the deck from corner to corner. If the cards ever get mixed up, you can p= ut them back in order by making sure the diagonal line matches up.=C2=A0
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