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<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet type="text/xsl" href="../assets/xml/rss.xsl" media="all"?> <rss version= "2.0" xmlns:dc= "http://purl.org/dc/elements/1.1/" xmlns:atom= "http://www.w3.org/2005/Atom" > <channel > <title > Caught in the Net (Posts about satoshi nakamoto scam)</title> <link > francescomecca.eu</link> <description > </description> <atom:link href= "francescomecca.eu/categories/satoshi-nakamoto-scam.xml" rel= "self" type= "application/rss+xml" > </atom:link> <language > en</language> <copyright > Contents © 2023 < a href="mailto:francescomecca.eu"> Francesco Mecca< /a> </copyright> <lastBuildDate > Wed, 30 Aug 2023 15:57:17 GMT</lastBuildDate> <generator > Nikola (getnikola.com)</generator> <docs > http://blogs.law.harvard.edu/tech/rss</docs> <item > <title > Why Wright's proof is a fake</title> <link > francescomecca.eu/blog/2016/5/3/satoshisignature/</link> <dc:creator > Francesco Mecca</dc:creator> <description > < p> I explained in my previous < a href="http://francescomecca.eu/pescewanda/2016/04/17/wright-nakamoto/"> post< /a> (in italian) that the signature that Wright provided as a public proof is in fact invalid.
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I want to explain briefly how you could check this claim.
The key in Wright's < a href="http://www.drcraigwright.net/jean-paul-sartre-signing-significance/"> post< /a> is this:< /p>
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< pre class="code literal-block"> < span class="nb"> -------------------------< /span> < span class="c"> Signature File < /span> < span class="nb"> -------------------------< /span> < span class="c"> < /span>
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< span class="c"> MEUCIQDBKn1Uly8m0UyzETObUSL4wYdBfd4ejvtoQfVcNCIK4AIgZmMsXNQWHvo6KDd2Tu6euEl1< /span>
< span class="c"> 3VTC3ihl6XUlhcU< /span> < span class="nb"> +< /span> < span class="c"> fM4=< /span>
< span class="nb"> -------------------------< /span> < span class="c"> End Signature < /span> < span class="nb"> --------------------------< /span> < span class="c"> < /span>
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< /pre>
< p> Now we can use some bash utilities:< /p>
< ul>
< li> base64, that translates encoded ASCII text;< /li>
< li> hexdump, that displays hexadecimal contents from the input;< /li>
< li> cut, used to remove the binary part of the input;< /li>
< li> tr, used to delete spaces and carriage return from the input;< /li>
< /ul>
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< pre class="code literal-block"> base64 -d & lt;& lt;& lt;'MEUCIQDBKn1Uly8m0UyzETObUSL4wYdBfd4ejvtoQfVcNCIK4AIgZmMsXNQWHvo6KDd2Tu6euEl13VTC3ihl6XUlhcU+fM4=' | hexdump -C| cut -b 11-60| tr -d ' \n'
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3045022100c12a7d54972f26d14cb311339b5122f8c187417dde1e8efb6841f55c34220ae0022066632c5cd4161efa3a2837764eee9eb84975dd54c2de2865e9752585c53e7cce
< /pre>
< p> Let's analyze the command one by one:< /p>
< ul>
< li> < code> base64 -d< /code> decodes the redirected string, the output is some gibberish characters so I won't display them here;< /li>
< li> < code> hexdump -C< /code> is used with a pipe to convert to hexadecimal:< /li>
< /ul>
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< pre class="code literal-block"> < span class="mf"> 00000000< /span> < span class="w"> < /span> < span class="mf"> 30< /span> < span class="w"> < /span> < span class="mf"> 45< /span> < span class="w"> < /span> < span class="mf"> 02< /span> < span class="w"> < /span> < span class="mf"> 21< /span> < span class="w"> < /span> < span class="mf"> 00< /span> < span class="w"> < /span> < span class="n"> c1< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> a< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> d< /span> < span class="w"> < /span> < span class="mf"> 54< /span> < span class="w"> < /span> < span class="mf"> 97< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> f< /span> < span class="w"> < /span> < span class="mf"> 26< /span> < span class="w"> < /span> < span class="n"> d1< /span> < span class="w"> < /span> < span class="mf"> 4< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> b3< /span> < span class="w"> < /span> < span class="mf"> 11< /span> < span class="w"> < /span> < span class="err"> |< /span> < span class="mf"> 0< /span> < span class="n"> E< /span> < span class="mf"> .< /span> < span class="err"> !< /span> < span class="mf"> ..< /span> < span class="o"> *< /span> < span class="err"> }< /span> < span class="n"> T< /span> < span class="mf"> .< /span> < span class="o"> /< /span> < span class="err"> & amp;< /span> < span class="mf"> .< /span> < span class="n"> L< /span> < span class="mf"> ..< /span> < span class="err"> |< /span> < span class="w"> < /span>
< span class="mf"> 00000010< /span> < span class="w"> < /span> < span class="mf"> 33< /span> < span class="w"> < /span> < span class="mf"> 9< /span> < span class="n"> b< /span> < span class="w"> < /span> < span class="mf"> 51< /span> < span class="w"> < /span> < span class="mf"> 22< /span> < span class="w"> < /span> < span class="n"> f8< /span> < span class="w"> < /span> < span class="n"> c1< /span> < span class="w"> < /span> < span class="mf"> 87< /span> < span class="w"> < /span> < span class="mf"> 41< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> d< /span> < span class="w"> < /span> < span class="n"> de< /span> < span class="w"> < /span> < span class="mf"> 1< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="mf"> 8< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> fb< /span> < span class="w"> < /span> < span class="mf"> 68< /span> < span class="w"> < /span> < span class="mf"> 41< /span> < span class="w"> < /span> < span class="n"> f5< /span> < span class="w"> < /span> < span class="err"> |< /span> < span class="mf"> 3.< /span> < span class="n"> Q< /span> < span class="s"> "...A}....hA.|< /span> < span class="w"> < /span>
< span class="mf"> 00000020< /span> < span class="w"> < /span> < span class="mf"> 5< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="mf"> 34< /span> < span class="w"> < /span> < span class="mf"> 22< /span> < span class="w"> < /span> < span class="mf"> 0< /span> < span class="n"> a< /span> < span class="w"> < /span> < span class="n"> e0< /span> < span class="w"> < /span> < span class="mf"> 02< /span> < span class="w"> < /span> < span class="mf"> 20< /span> < span class="w"> < /span> < span class="mf"> 66< /span> < span class="w"> < /span> < span class="mf"> 63< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="mf"> 5< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> d4< /span> < span class="w"> < /span> < span class="mf"> 16< /span> < span class="w"> < /span> < span class="mf"> 1< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> fa< /span> < span class="w"> < /span> < span class="mf"> 3< /span> < span class="n"> a< /span> < span class="w"> < /span> < span class="err"> |\< /span> < span class="mf"> 4< /span> < span class="s"> "... fc,\....:|< /span> < span class="w"> < /span>
< span class="mf"> 00000030< /span> < span class="w"> < /span> < span class="mf"> 28< /span> < span class="w"> < /span> < span class="mf"> 37< /span> < span class="w"> < /span> < span class="mf"> 76< /span> < span class="w"> < /span> < span class="mf"> 4< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> ee< /span> < span class="w"> < /span> < span class="mf"> 9< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> b8< /span> < span class="w"> < /span> < span class="mf"> 49< /span> < span class="w"> < /span> < span class="mf"> 75< /span> < span class="w"> < /span> < span class="n"> dd< /span> < span class="w"> < /span> < span class="mf"> 54< /span> < span class="w"> < /span> < span class="n"> c2< /span> < span class="w"> < /span> < span class="n"> de< /span> < span class="w"> < /span> < span class="mf"> 28< /span> < span class="w"> < /span> < span class="mf"> 65< /span> < span class="w"> < /span> < span class="n"> e9< /span> < span class="w"> < /span> < span class="err"> |< /span> < span class="p"> (< /span> < span class="mf"> 7< /span> < span class="n"> vN< /span> < span class="mf"> ...< /span> < span class="n"> Iu< /span> < span class="mf"> .< /span> < span class="n"> T< /span> < span class="mf"> ..< /span> < span class="p"> (< /span> < span class="n"> e< /span> < span class="mf"> .< /span> < span class="err"> |< /span> < span class="w"> < /span>
< span class="mf"> 00000040< /span> < span class="w"> < /span> < span class="mf"> 75< /span> < span class="w"> < /span> < span class="mf"> 25< /span> < span class="w"> < /span> < span class="mf"> 85< /span> < span class="w"> < /span> < span class="n"> c5< /span> < span class="w"> < /span> < span class="mf"> 3< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> ce< /span> < span class="w"> < /span> < span class="err"> |< /span> < span class="n"> u%< /span> < span class="mf"> ..< /span> < span class="o"> & gt;< /span> < span class="err"> |< /span> < span class="mf"> .< /span> < span class="err"> |< /span> < span class="w"> < /span>
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< /pre>
< ul>
< li> cut -b 11-60 displays only the characters from column 11 to 60:< /li>
< /ul>
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< pre class="code literal-block"> < span class="mf"> 30< /span> < span class="w"> < /span> < span class="mf"> 45< /span> < span class="w"> < /span> < span class="mf"> 02< /span> < span class="w"> < /span> < span class="mf"> 21< /span> < span class="w"> < /span> < span class="mf"> 00< /span> < span class="w"> < /span> < span class="n"> c1< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> a< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> d< /span> < span class="w"> < /span> < span class="mf"> 54< /span> < span class="w"> < /span> < span class="mf"> 97< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> f< /span> < span class="w"> < /span> < span class="mf"> 26< /span> < span class="w"> < /span> < span class="n"> d1< /span> < span class="w"> < /span> < span class="mf"> 4< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> b3< /span> < span class="w"> < /span> < span class="mf"> 11< /span> < span class="w"> < /span>
< span class="mf"> 33< /span> < span class="w"> < /span> < span class="mf"> 9< /span> < span class="n"> b< /span> < span class="w"> < /span> < span class="mf"> 51< /span> < span class="w"> < /span> < span class="mf"> 22< /span> < span class="w"> < /span> < span class="n"> f8< /span> < span class="w"> < /span> < span class="n"> c1< /span> < span class="w"> < /span> < span class="mf"> 87< /span> < span class="w"> < /span> < span class="mf"> 41< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> d< /span> < span class="w"> < /span> < span class="n"> de< /span> < span class="w"> < /span> < span class="mf"> 1< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="mf"> 8< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> fb< /span> < span class="w"> < /span> < span class="mf"> 68< /span> < span class="w"> < /span> < span class="mf"> 41< /span> < span class="w"> < /span> < span class="n"> f5< /span> < span class="w"> < /span>
< span class="mf"> 5< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="mf"> 34< /span> < span class="w"> < /span> < span class="mf"> 22< /span> < span class="w"> < /span> < span class="mf"> 0< /span> < span class="n"> a< /span> < span class="w"> < /span> < span class="n"> e0< /span> < span class="w"> < /span> < span class="mf"> 02< /span> < span class="w"> < /span> < span class="mf"> 20< /span> < span class="w"> < /span> < span class="mf"> 66< /span> < span class="w"> < /span> < span class="mf"> 63< /span> < span class="w"> < /span> < span class="mf"> 2< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="mf"> 5< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> d4< /span> < span class="w"> < /span> < span class="mf"> 16< /span> < span class="w"> < /span> < span class="mf"> 1< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> fa< /span> < span class="w"> < /span> < span class="mf"> 3< /span> < span class="n"> a< /span> < span class="w"> < /span>
< span class="mf"> 28< /span> < span class="w"> < /span> < span class="mf"> 37< /span> < span class="w"> < /span> < span class="mf"> 76< /span> < span class="w"> < /span> < span class="mf"> 4< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> ee< /span> < span class="w"> < /span> < span class="mf"> 9< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="n"> b8< /span> < span class="w"> < /span> < span class="mf"> 49< /span> < span class="w"> < /span> < span class="mf"> 75< /span> < span class="w"> < /span> < span class="n"> dd< /span> < span class="w"> < /span> < span class="mf"> 54< /span> < span class="w"> < /span> < span class="n"> c2< /span> < span class="w"> < /span> < span class="n"> de< /span> < span class="w"> < /span> < span class="mf"> 28< /span> < span class="w"> < /span> < span class="mf"> 65< /span> < span class="w"> < /span> < span class="n"> e9< /span> < span class="w"> < /span>
< span class="mf"> 75< /span> < span class="w"> < /span> < span class="mf"> 25< /span> < span class="w"> < /span> < span class="mf"> 85< /span> < span class="w"> < /span> < span class="n"> c5< /span> < span class="w"> < /span> < span class="mf"> 3< /span> < span class="n"> e< /span> < span class="w"> < /span> < span class="mf"> 7< /span> < span class="n"> c< /span> < span class="w"> < /span> < span class="n"> ce< /span> < span class="w"> < /span>
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< /pre>
< ul>
< li> < code> tr -d ' \n'< /code> is used to delete spaces and carriage returns from the output so that is shown in one line and it gives us the final result:< /li>
< /ul>
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< pre class="code literal-block"> < span class="mf"> 3045022100< /span> < span class="n"> c12a7d54972f26d14cb311339b5122f8c187417dde1e8efb6841f55c34220ae0022066632c5cd4161efa3a2837764eee9eb84975dd54c2de2865e9752585c53e7cce< /span> < span class="w"> < /span>
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< /pre>
< p> If you noticed, there is also another cleartext string at the beginning of Wright's post:< /p>
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< pre class="code literal-block"> $ base64 -d < span class="o"> & lt;& lt;& lt;< /span> < span class="s1"> 'IFdyaWdodCwgaXQgaXMgbm90IHRoZSBzYW1lIGFzIGlmIEkgc2lnbiBDcmFpZyBXcmlnaHQsIFNhdG9zaGkuCgo='< /span>
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Wright, it is not the same as < span class="k"> if< /span> I sign Craig Wright, Satoshi.
< /pre>
< p> Now let's head to blockchain.info.
Blockchain.info has a little < a href="https://blockchain.info/decode-tx"> utility< /a> to get hexadecimal informations out of a transaction on the blockchain, so let's use it to get the related info about this transaction:< /p>
< p> < a href="https://blockchain.info/tx/828ef3b079f9c23829c56fe86e85b4a69d9e06e5b54ea597eef5fb3ffef509fe"> tx/828ef3b079f9c23829c56fe86e85b4a69d9e06e5b54ea597eef5fb3ffef509fe< /a>
< a href="https://blockchain.info/tx/828ef3b079f9c23829c56fe86e85b4a69d9e06e5b54ea597eef5fb3ffef509fe?format=hex"> tx/828ef3b079f9... in hexadecimal< /a> < /p>
< p> As you can see the entire output of the first bash command, that is< /p>
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< pre class="code literal-block"> < span class="mf"> 3045022100< /span> < span class="n"> c12a7d54972f26d14cb311339b5122f8c187417dde1e8efb6841f55c34220ae0022066632c5cd4161efa3a2837764eee9eb84975dd54c2de2865e9752585c53e7cce< /span> < span class="w"> < /span>
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< /pre>
< p> is contained in:< /p>
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< pre class="code literal-block"> "script":"483045022100c12a7d54972f26d14cb311339b5122f8c187417dde1e8efb6841f55c34220ae0022066632c5cd4161efa3a2837764eee9eb84975dd54c2de2865e9752585c53e7cce01"
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< /pre>
< p> except for the 48 at the beginning and the 01 at the end.< /p>
< p> That is a signature hash:
this < a href="https://en.bitcoin.it/wiki/List_of_address_prefixes"> page< /a> explains that the 48 is just a decimal prefix given to uncompressed transactions, and the 01 at the end is just a SIGHASH_ALL < a href="https://bitcoin.org/en/glossary/signature-hash"> code< /a> that flags the end of the signature.< /p>
< h3> So, is it a fake?< /h3>
< p> Yes, indeed.
At the end, I ask, why would you choose anything else than the easiest and most conclusive way to prove something?< /p>
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< p> < img alt='Wright "signs" the blockchain' src="francescomecca.eu/wp-content/uploads/2016/satosh.jpg"> < /p> </description> <category > Bitcoin</category> <category > PesceWanda</category> <category > satoshi nakamoto scam</category> <category > scam</category> <category > wright</category> <guid > francescomecca.eu/blog/2016/5/3/satoshisignature/</guid> <pubDate > Tue, 03 May 2016 00:00:00 GMT</pubDate> </item> </channel> </rss>