From owner-freebsd-hackers@freebsd.org Fri Jun 28 13:39:21 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 473A915C1915 for ; Fri, 28 Jun 2019 13:39:21 +0000 (UTC) (envelope-from marcdraco@protonmail.com) Received: from mail-40136.protonmail.ch (mail-40136.protonmail.ch [185.70.40.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.protonmail.ch", Issuer "SwissSign Server Silver CA 2014 - G22" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 336FE720C3 for ; Fri, 28 Jun 2019 13:39:19 +0000 (UTC) (envelope-from marcdraco@protonmail.com) Date: Fri, 28 Jun 2019 13:39:08 +0000 To: "freebsd-hackers@freebsd.org" From: Marc Draco Reply-To: Marc Draco Subject: Idea: Blockchain CAPTCHA Message-ID: Feedback-ID: TVAtyvzPgrZjDX92EFiEq2ju3ruDPj3hMOqgxFujxTmwlS8C0Uvt_X5pZBiCMOgQ_qQW-vlhc6PsIzvRAArI7w==:Ext:ProtonMail MIME-Version: 1.0 X-Spam-Status: No, score=-1.2 required=7.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.protonmail.ch X-Rspamd-Queue-Id: 336FE720C3 X-Spamd-Bar: ------- X-Spamd-Result: default: False [-7.74 / 15.00]; HAS_REPLYTO(0.00)[marcdraco@protonmail.com]; R_SPF_ALLOW(-0.20)[+ip4:185.70.40.0/24]; FREEMAIL_FROM(0.00)[protonmail.com]; DKIM_TRACE(0.00)[protonmail.com:+]; MIME_BASE64_TEXT(0.10)[]; DMARC_POLICY_ALLOW(-0.50)[protonmail.com,quarantine]; MX_GOOD(-0.01)[mailsec.protonmail.ch,mail.protonmail.ch]; NEURAL_HAM_SHORT(-0.99)[-0.993,0]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[protonmail.com]; ASN(0.00)[asn:19905, ipnet:185.70.40.0/24, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[136.40.70.185.list.dnswl.org : 127.0.5.1]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[protonmail.com:s=default]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; FREEMAIL_REPLYTO(0.00)[protonmail.com]; HAS_PHPMAILER_SIG(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-3.73)[ip: (-9.80), ipnet: 185.70.40.0/24(-4.89), asn: 19905(-3.91), country: US(-0.06)]; TO_DN_EQ_ADDR_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Jun 2019 13:39:21 -0000 QXBvbG9naWVzIGlmIHRoaXMgaXMgdGhlIHdyb25nIGxpc3QsIGJ1dCB5b3Ugc2VlbSB0aGUgbW9z dCBsaWtlbHkgY2FuZGlkYXRlcyB0byBrbm93IGhvdyBwb3NzaWJsZS9wcmFjdGljYWwgdGhpcyBp cy4KCkkgaGF0ZSBjYXB0Y2hhcyBhcyBtdWNoIGFzIHRoZSBuZXh0IGd1eSBhbmQgcHJvYmFibHkg bW9yZSB0aGFuIGEgbG90IG9mIHBlb3BsZSBiZWNhdXNlIG15IHNpZ2h0IGlzbid0IHdoYXQgaXQg dXNlZCB0byBiZS4gSG93ZXZlciwgcHJpdmFjeSBpcyBtb3JlIG9mIGEgY29uY2VybiBhbmQgSSBo YXZlIGEgaGF0ZS1oYXRlIHJlbGF0aW9uc2hpcCB3aXRoIEdvb2dsZSB0aGF0IGdldHMgZGVlcGVy IHdpdGggZXZlcnkgcGllY2Ugb2Ygd2ViIGl0IHN0ZWFscy9idXlzLgoKU2luY2UgaXQgYm91Z2h0 IFJlQ2FwdGNoYSBJJ3ZlIGZvdW5kIG15c2VsZiBpbmNyZWFzaW5nbHkgaW4gYSBwb3NpdGlvbiB3 aGVyZSBJIGNhbid0IGF2b2lkIEdvb2dsZSBhcyBpdCdzIHByZXZlbnRpbmcgYWNjZXNzIHRvIHNp dGVzIEkgbmVlZCB0byBhY2Nlc3MgKGluY2x1ZGluZyBzb21lIGdvdmVybm1lbnQgb25lcykuCgpI ZW5jZSBpdCBzZWVtcyB3ZSBuZWVkIGEgbW9yZSBvcGVuIGFuZCBwcml2YWN5IHJlc3BlY3Rpbmcg c29sdXRpb24gZm9yICJlc3NlbnRpYWwiIHNlcnZpY2VzLiBJIGRvbid0IHVuZGVyc3RhbmQgZW5v dWdoIG9mIGJsb2NrY2hhaW4gdG8gIGtub3cgaG93IHByYWN0aWNhdCB0aGlzIGlzIGJ1dCBpdCBk b2VzIGFwcGVhciB0byBvZmZlciBhIHBvdGVudGlhbCBzb2x1dGlvbiB0byB0aGUgcHJvYmxlbSBv ZiBhbm9ueW1vdXMgKGFub255bWlzaW5nKSAgVHVyaW5nIHRlc3RzLgoKSSBob3BlIHdlIGNhbiBn ZXQgc29tZSBwb3NpdGl2ZSBpZGVhcyBoZXJlIC0gaWYgaXQncyBub3QgcG9zc2libGUgb3IgcHJh Y3RpY2FsLCB0aGVuIHRoYXQncyBncmVhdCBidXQgSSd2ZSBiZWVuIHVwZnJvbnQgYWJvdXQgaG93 IEkgZmVlbCBhYm91dCBHb29nbGUgKGFuZCBvdGhlcnMpIGFuZCBJIGZlZWwgc3Ryb25nbHkgdGhh dCB3ZSBuZWVkIHRvIHRha2UgYmFjayB0aGUgd2ViIGEgbGl0dGxlIGJpdCBhdCBhIHRpbWU6IHRo ZSB3YXkgdGhhdCBUaW0gQi1MIGludGVuZGVkLgoKU2VudCB3aXRoIFtQcm90b25NYWlsXShodHRw czovL3Byb3Rvbm1haWwuY29tKSBTZWN1cmUgRW1haWwu