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Do we sacrifice privacy in self-sovereign identity implementations?
For me, Self-Sovereign Identity (SSI) is about privacy for the user. We need the same privacy level in the digital world as in the physical world. At the moment, privacy is under siege, also in the SSI community.On the one hand, the community is taking shortcuts and sacrifice privacy to solve tricky technical challenges, like […]
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SURVEY RESULTS: Requirements for a revocation method in an SSI system
I was running a survey to collect the requirements for a revocation method in an Self-Sovereign Identity (SSI) system. The survey was sent to people in the SSI practice. If you interested in the questions, here is the link The survey had two sections. The first was about privacy aspects, and the second on physical […]
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Bitcoin, the problem with energy consumption.
Bitcoin was a great “invention”. It proved that it is possible to get a consensus over information (transactions) without an intermediary and make data defacto immutable. But that is not today’s topic. Today I want to write about one of the most significant disadvantages, power consumption.
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Am I a Self-Sovereign Identity system?
It can be challenging to decide if a Digital Identity system is a Self-Sovereign Identity (SSI) system or a central Digital Identity system. The question “Am I a SSI system?” can be tricky to answer. Providers claiming their solution is SSI based, and of course use Blockchain – never let go a buzzword. The claim […]
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Self-Sovereign Identity – Ich gehe wieder studieren
Seit meinem letzten Post ist einige Zeit vergangen. Im Frühjahr habe ich ein Research Proposal im Bereich Self-Soverreign Identity (SSI) eingereicht. Ich werde mich in diesem Bereich weiter vertiefen und im Speziellen die Reife von kryptografische Akkumulatoren für die Verwendung beim Widerruf von Dokumenten in SSI Systemen zu untersuchen. Alles verstanden? Keine Angst Ich auch […]
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Gray Rhinos, Corona and Blockchain
“A gray rhino is a highly probable, high impact yet neglected threat” – Michele Wecker Currently, we are facing a grey rhino situation, the outbreak of the Corona-COVID19 disease. It is highly probable, we have outbreaks about every 4 years, it has a potentially high impact and we neglected the threat. The article highlight how Blockchain technology […]
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Blockchain – Der Nebel lichtet sich
Ist die Blockchain Technologie / DLT (Distributed Ledger Technologie) die Lösung für alles? Oder doch nur ein Hype der vorüber geht? Die Wahrheit liegt irgendwo in der Mitte. In den letzten Jahren hat sich die Technologie vom Hype zu einem “soliden” Technologiebaustein entwickelt. Es haben sich Anwendungen herauskristallisiert in denen die Technologie ganz neue Geschäftsmodelle […]
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Why Bitcoin will not replace our current “money-system” but can help to fix it
The “money system” in the western world is a good thing. It enabled the wealth we have. Without these system the growth in the last century would not been possible. The problem is that single institutions, politicians and individuals abuse the system for their advantage. Replacing our money system with Bitcoin is in my opinion not […]
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Ethereum and the hard fork discussion, what we can learn from
Lots of discussion in forums and in the press are going on about the hard fork decsission from Ethereum because of the DAO issue. I read a lot and thought a lot about the decision but I did not come to an opinion if it is good or bad for the project. The conclusion I […]
