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 8E882360 for ; Sat, 14 May 2016 12:26:38 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wm0-f53.google.com (mail-wm0-f53.google.com [74.125.82.53]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 0341A90 for ; Sat, 14 May 2016 12:26:37 +0000 (UTC) Received: by mail-wm0-f53.google.com with SMTP id g17so68002141wme.1 for ; Sat, 14 May 2016 05:26:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=I4aHnrb4EQtmtzm0zLBqVekVQlrOSOuaxWNZVShEj8o=; b=PMgH9DQhkGKnbn5Q2imntaLK8GcRHk7pe978qeT9yqP0xpt1+b3r3W9jThjiBqJkgk 4Y8tyc3Yf6+0yaWwJ0S4pdv6I9kZEDXS3xodGr5RaI6+D/rsm4v3qmn5lG+F6WOT9Ie/ oI9JYqLaXaCaZxYWX4E702uNhA1eW4RiPTBDfQAP9nZAPGTY6v64qR8GIxcwNaR+VfDc QK2YulskGwidGdWmWNdTtG6apq1BXIDG+ovibQv4nPX4jY6zSGk2bKqT7VCxj60Xcf4A /CkloYv0cGtmzhOWjVjEJFNJCkxZPlulIl5+JFvtfubb8eRpWsv2lRasXzXqaBrENkcQ aohg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=I4aHnrb4EQtmtzm0zLBqVekVQlrOSOuaxWNZVShEj8o=; b=CZapK9ycvIMfwrntlFWKUL17FJTEKIdSkPE9c6ApvmLWNLNe46YbSllR2PSuQDoaTF yuDKxjsm782tIabSiWIN1UiiWN8O7mF+df5CO1qYyHhsWYV8z7Np4oaWGa4/XbisIpbk 3WOzyNa5wbSY6+IQegHOx+utfCFCWzU5rFWfj5Xmv57Hv6EX5iRK4+1B5ALhqlGtE8yV Cyxl0+sR1RO8mQJ4I1ijKGInWy9pqzWonP9lOaRemBs8G+iZ23s7dj/DY236/rWlI0O8 eJ9DW8mF9wEn7yzyql4/uIaniB4P+k6aCnq3Fp/kPzmcrM6ooZs6PrsAN9jEwXc6cSlt PpwQ== X-Gm-Message-State: AOPr4FWG0tXxeFSuPQ0Tq2RDeBIh/wRLIM6/naG36gIj0NuvL3QBEO1hcLOFZQBD+xd/QQ== X-Received: by 10.28.37.129 with SMTP id l123mr9162301wml.1.1463228796752; Sat, 14 May 2016 05:26:36 -0700 (PDT) Received: from ?IPv6:2001:4dd0:ff00:8a0a:c68e:8fff:fef3:22ad? ([2001:4dd0:ff00:8a0a:c68e:8fff:fef3:22ad]) by smtp.googlemail.com with ESMTPSA id g197sm8137569wme.15.2016.05.14.05.26.35 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 14 May 2016 05:26:35 -0700 (PDT) To: Jonas Schnelli , Bitcoin Protocol Discussion References: <5735D3A4.7090608@mycelium.com> <5735EC17.5040901@satoshilabs.com> <5735FC99.5090001@satoshilabs.com> <57361577.7060207@satoshilabs.com> <5736DEEA.5030603@jonasschnelli.ch> From: Jochen Hoenicke Message-ID: <5737197A.6020101@gmail.com> Date: Sat, 14 May 2016 14:26:34 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: <5736DEEA.5030603@jonasschnelli.ch> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, 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] Bip44 extension for P2SH/P2WSH/... 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: Sat, 14 May 2016 12:26:38 -0000 Am 14.05.2016 um 10:16 schrieb Jonas Schnelli via bitcoin-dev: > > Importing a bip32 wallet (bip44 or not) is still an expert job IMO. > Also importing can lead to bad security practice (especially without a > sweep). One important use case is importing xpubs for watch-only accounts. This is necessary for hardware wallets and there are other valid use cases for this. > > Users will send around xpriv or import an seed over a compromised > computer to a cold storage, etc. > > I don't think users want to import private keys. > They probably want to import the transaction history and send all funds > covered by that seed to a new wallet. > Yes, in general it is not a good idea to import private keys and many wallets don't even have an option to give out the xprv (except indirectly via the backup mechanism). But even when sweeping a bip-44+segwit wallet you need to know where the segwit addresses are. Jochen