My personal website
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<title>CSDUMMI</title>
<link>http://jorisgutjahr.eu/</link>
<description>Recent content on CSDUMMI</description>
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<title>Mutating Secrets: A double spend resistent implementation with a trusted timestamping authority</title>
<link>http://jorisgutjahr.eu/posts/time/</link>
<pubDate>Tue, 04 Jan 2022 00:00:00 +0000</pubDate>
<guid>http://jorisgutjahr.eu/posts/time/</guid>
<description>I have to thank the Fediverse before writing up another post on this subject. The kind of discussions I took part in during the last few days, were fascinating and I cannot imagine that they would have happened so constructively and with similar civility on another network.1.
During these discussions I was able to detail my idea for a mutating secrets based currency more clearly, while being raised to an issue I&amp;rsquo;ll go in to soon and being alerted to the existence of other (quite similar proposals) like Jessica Tallon&amp;rsquo;s idea for a pebble bank2.</description>
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<title>Mutating Secrets digital Currency</title>
<link>http://jorisgutjahr.eu/posts/cash/</link>
<pubDate>Sat, 01 Jan 2022 00:00:00 +0000</pubDate>
<guid>http://jorisgutjahr.eu/posts/cash/</guid>
<description>More Environmental, Accessible and Private Digital Cash Imagine I wanted to develop a secrets based digital currency. A naive implementation of such a currency would represent a coin by some secret and to own a coin somebody&amp;rsquo;d have to know that secret.
Transfering a coin would be done by sending the secret to another person through a secure channel.
But this system has an obvious problem: the previous owner of a coin never forgets the secret and they can always transfer the coin again to other people thus spending the coin twice.</description>
</item>
<item>
<title>Ownership - an evolving and restricting term</title>
<link>http://jorisgutjahr.eu/posts/ownership/</link>
<pubDate>Sat, 01 Jan 2022 00:00:00 +0000</pubDate>
<guid>http://jorisgutjahr.eu/posts/ownership/</guid>
<description>I&amp;rsquo;m writing this document on a device that I own. I own this device in the sense, that I have exclusive control to do with this device as I see fit - as long as I do not violate an existing law.
This is a very old but not the oldest definition of the word &amp;ldquo;own&amp;rdquo;. And the term &amp;ldquo;own&amp;rdquo; and &amp;ldquo;ownership&amp;rdquo; have undewent some quite enormous mutations that I&amp;rsquo;ll go over to some degree in this article.</description>
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