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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> cryptography <cryptography-bounces+mkapilkov=pace.edu@metzdowd.com> <b>On Behalf Of </b>Stephan Kinsella<br><b>Sent:</b> Friday, January 22, 2021 7:09 PM<br><b>To:</b> Osman Kuzucu <bizbucaliyiz@hotmail.com><br><b>Cc:</b> bit <bit@ungeared.com>; cryptography@metzdowd.com<br><b>Subject:</b> Re: [Cryptography] A Thought Experiment: Proof of Satoshi<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Jan 22, 2021 at 4:39 PM Osman Kuzucu <<a href="mailto:bizbucaliyiz@hotmail.com">bizbucaliyiz@hotmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal><b><span style='color:black'>Gönderen:</span></b><span style='color:black'> bit <<a href="mailto:bit@ungeared.com" target="_blank">bit@ungeared.com</a>> adına cryptography <cryptography-bounces+bizbucaliyiz=<a href="mailto:hotmail.com@metzdowd.com" target="_blank">hotmail.com@metzdowd.com</a>></span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div><div><div id="gmail-m_-9082146695089323435divRplyFwdMsg"><p class=MsoNormal><b><span style='color:black'>Gönderildi:</span></b><span style='color:black'> 21 Ocak 2021 Perşembe 00:16<br><b>Kime:</b> <a href="mailto:cryptography@metzdowd.com" target="_blank">cryptography@metzdowd.com</a> <<a href="mailto:cryptography@metzdowd.com" target="_blank">cryptography@metzdowd.com</a>><br><b>Konu:</b> [Cryptography] A Thought Experiment: Proof of Satoshi</span> <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><blockquote style='border:none #C8C8C8 1.0pt;border-left:solid #C8C8C8 2.25pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-bottom:5.0pt'><p style='margin:0in'><span style='color:#666666'>Since I don’t believe that a cryptographic signature or a transfer would constitute definitive proof (let me clarify my position, I do believe that such actions would present a very strong claim, just not bulletproof), what would? Let’s have a thought experiment, we are approached by X who claims to be Satoshi, privately they have presented us with convincing enough evidence to take them seriously and now, they are asking our advice on how to reveal themselves to the world without recreating Craig Wright’s ensued bedlam? <o:p></o:p></span></p></blockquote><p style='margin:0in'> What do we know about satoshi? His e-mail was hacked, and other social media account of his also could be hacked too. You mentioned that the cryptographic signature can't be bulletproof too, so what else would be? Since we don't know anything about who he was, or he didn't have any witnesses at the time he deployed Bitcoin (who could verify his identity) and no one came forward so far, I believe at this point we can't take anything as a bulletproof. <o:p></o:p></p><p style='margin:0in'><o:p> </o:p></p><p style='margin:0in'>I personally tend to think it would take a combination of on-chain and off-chain evidence to serve as the ultimate proof.<o:p></o:p></p></div></div></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Maybe testimony from a credible contemporaneous witness would be believable. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Personally, I don’t think testimony alone would be enough. Not even sure what this testimony would look like. Someone saying that such and such told them that they were Satoshi? Or they saw something. I just don’t think it would be definitive. <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><div><p style='margin:0in'><o:p> </o:p></p><p style='margin:0in'>Also, the chances of his cryptographic keys getting leaked is less than someone impersonating his writing style to be claimed as Satoshi. I believe now there is no bulletproof way of knowing who they were. Only exception could be if he didn't use a VPN, the IP logs of the first bitcoin node could be retrieved or maybe some logs on the bitcointalk could be searched from the ISP to reveal his identity. <o:p></o:p></p><p style='margin:0in'><o:p> </o:p></p><p style='margin:0in'>I think Satoshi was using Tor.<o:p></o:p></p></div></div></div></div><p class=MsoNormal>_______________________________________________<br>The cryptography mailing list<br><a href="mailto:cryptography@metzdowd.com" target="_blank">cryptography@metzdowd.com</a><br><a href="https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.metzdowd.com%2Fmailman%2Flistinfo%2Fcryptography&data=04%7C01%7Cmkapilkov%40pace.edu%7Cb8d18c48575b409071a008d8bf3f8227%7C0799c53eca9a49e88901064a6412a41d%7C1%7C0%7C637469626771840117%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=YZV3PI70YxCucfZbEn3aS8Kd1P8VLNspwFiZ3dPvLKQ%3D&reserved=0" target="_blank">https://www.metzdowd.com/mailman/listinfo/cryptography</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><div><div><p class=MsoNormal><br>Stephan Kinsella<br><a href="mailto:nskinsella@gmail.com" target="_blank">nskinsella@gmail.com</a><br>(+1) 713-416-0006 (mobile)<o:p></o:p></p></div></div></div></div></div></body></html>