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 8236089C for ; Tue, 14 Feb 2017 21:01:54 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from server3 (server3.include7.ch [144.76.194.38]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id E181D164 for ; Tue, 14 Feb 2017 21:01:53 +0000 (UTC) Received: by server3 (Postfix, from userid 115) id 283532E6010C; Tue, 14 Feb 2017 22:01:53 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, FSL_HELO_NON_FQDN_1 autolearn=ham version=3.3.1 Received: from Jonass-MacBook-Pro.local (cable-static-140-182.teleport.ch [87.102.140.182]) by server3 (Postfix) with ESMTPSA id A64512D0022C for ; Tue, 14 Feb 2017 22:01:52 +0100 (CET) To: bitcoin-dev@lists.linuxfoundation.org References: <1850609.e9N5m2HcLf@strawberry> From: Jonas Schnelli Message-ID: <302c0b13-1951-faec-7266-f42bf748163d@jonasschnelli.ch> Date: Tue, 14 Feb 2017 22:01:51 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <1850609.e9N5m2HcLf@strawberry> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mClRfs9j73EJUWs9wxXoujcTacX9lWvKn" Subject: Re: [bitcoin-dev] BIP150/151 concerns and some comments 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, 14 Feb 2017 21:01:54 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --mClRfs9j73EJUWs9wxXoujcTacX9lWvKn Content-Type: multipart/mixed; boundary="lq1gxLcAigooCXpBraNK0Is7aD5PoojHK"; protected-headers="v1" From: Jonas Schnelli To: bitcoin-dev@lists.linuxfoundation.org Message-ID: <302c0b13-1951-faec-7266-f42bf748163d@jonasschnelli.ch> Subject: Re: [bitcoin-dev] BIP150/151 concerns and some comments References: <1850609.e9N5m2HcLf@strawberry> In-Reply-To: <1850609.e9N5m2HcLf@strawberry> --lq1gxLcAigooCXpBraNK0Is7aD5PoojHK Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable >> - If you use one of the todays available SPV clients, you will reveal >> your complete wallet content (=E2=80=9E~all your addresses") to every = network >> observer between you and the node you have connected to. This means, i= f >> you pay for a coffee (while being on the owners WIFI), the coffee owne= r >> and all the involved ISPs can correlate your wallet with your other >> internet behavior. Same is true for your cellphone provider if you use= >> cellular. > What about allowing trusted users connecting on a different connection.= Much=20 > like the RPC one. > Make that one encrypted. Different usecase, different connection. > - What protocol would you use? The same p2p protocol but different port and/or different process? Why? - If not the p2p protocol, how would you form a standard? Would it be worth doing a standard? - Could you fall back to the current SPV model against random untrusted peers if you additional channel is not available? - What are the downsides using current p2p network? - Would this also solve the security problem of creating designated channels between peers (the "addnode" thing is based on IPs)? --lq1gxLcAigooCXpBraNK0Is7aD5PoojHK-- --mClRfs9j73EJUWs9wxXoujcTacX9lWvKn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEMu5cTD+hXMrbRqvlKdS8tkFvU+wFAlijcEAACgkQKdS8tkFv U+wpQBAAuXUt3PFGzeP1ZUDJj3+w7VfPrVMPrIi1XZ17pOehvz6nfG2ZGzNOzy/y 7i8dYXvIHT2zl51EH+0kwWcLA6o4iuYuwqZtgRoG7+G7hvTSl8loDWqOv8yJEI6e 7NYnHgmkkAOON1oIQPRxs/h36MsidnV1mbD437GfvRcQ81uH6+kxtIvzKUgEHcZ4 nqG6DRhrLUr8a7y+R9jgaZRm2s1gkEILky+ELUQHTdkXSY65x5YyC3mJh8m87iYU so1NrVgHyU8iy3svR8osiKvWqhWOaldHQ6zINBKhzG8ZHbAjjPXAHjEq2+1tmm8N J+XkbjzhE9815jmShh4S1oULxapJRdxd3pBcgqHIREcQRwrRt9jnbUuR8fo9hM3x DK/aXzqbJ+9W5oGrpKPqk9wuzn8Y/Y7IWRGIReRnVZub4ft5Hpxr0xrURDaGluhe HZ4X0G3gIqWwCPLuOe+P8bBzShmAnLcgNUHmwlbRXRXWnRjZOMAR12n3FZdL1ayy b9qJZY6I2e9/U3eVlSh0MWypOzI0Mlw/NpdZPwKWrsK6BO2Yf1skJF6yKUNImahp Q3VIeRsXpCoLqdGU1reyBFJW29idMmMVjcKGWamo4VKAskd51EeVMH8lVA9nCErR SXrrlMELqLc+KO+xyFMvHoO2h6T8DHuWqEiLgXAThtviZs4Oy2k= =BGY7 -----END PGP SIGNATURE----- --mClRfs9j73EJUWs9wxXoujcTacX9lWvKn--