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Blockchain Security in the Quantum Age 🔒🧬

I had the great pleasure to give a talk about Blockchain and the threats to it by Quantum Computing. It was a co-meetup of Quantum Computing Vienna and DLT Austria (Blockchain, Crypto, DeFi, NFT, Web3) Community hosted by Lean Coders. Some impressions of the event…

And also the slides are here available for download:


The interplay between cyber security and business analysis

I was invited by Michael Schenkel of t2Informatik to be guest author for the companies blog and offered to write about any favorite topic. And what could come closer being one of my hot topics than the intersection of business analysis and security? Maybe business analysis and quantum computers, but this will be an article for Adrian Reeds BA Digest soon.… Read more » “The interplay between cyber security and business analysis”

write me a blog entry about quantum computing, at least 2500 words

#chatGPT Write me a blog entry about quantum computing, at least 2500 words

Quantum computing is an exciting field of study that has garnered a lot of attention in recent years. It has the potential to revolutionize the way we think about computing and could even lead to the development of new technologies that are currently unimaginable.

But what exactly is quantum computing? And how does it differ from classical computing?… Read more » “#chatGPT Write me a blog entry about quantum computing, at least 2500 words”


Uncertain future for quantum computer

“Another fundamental issue is that it is unclear what commercially-useful problems can even be solved with quantum computers — if any.”

Nikita Gourianov, FT

This statement by Nikita Gourianov was published in the Financial Times ( or archive and caused some reactions by people working in the quantum space. As I have posted on LinkedIn, I don’t see it that black, but to be honest, there are some valid points in the article.… Read more » “Uncertain future for quantum computer”


We are quantum!

“We are quantum!”See – yes, finally after a long time, Austria has a again a Nobel Prize winner. Probably everyone already knows that physicist Anton Zeilinger from Austria has won the Physics Nobel Prize 2022 together with his colleagues John F. Clauser and Alain Aspect. The topic: “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”.… Read more » “We are quantum!”