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Hitchhiker’s Guide to the Blockchain: An Overview
An overview over information related to blockchain technology.
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The year in review
This is the time to catch up on what you missed during the year. For some, it is meeting the family. For others, doing snowsports. For even others, it is cuddling up and reading. This is an article for the latter.
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Offline digital cash?
The question of using digital money in the event of a network outage comes up again and again. Here is an overview of the options and their pros and cons.
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Inefficiency is bliss (sometimes)
Bureaucracy and inefficiency are frowned upon, often rightly so. But they also have their good sides: Properly applied, they ensure reliability and legal certainty. Blockchain disciples want to “improve” bureaucracy-ridden processes, but achieve the opposite. Two examples:
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NFTs are unethical
As an avid reader, you know my arguments that neither NFT nor smart contracts live up to their promises, and that the blockchain underneath is also more fragile and has a worse cost-benefit ratio than most believe. Similarly, I also claim the same for the metaverses built on top of them all. And that the…
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What is an NFT, behind the scenes?
“NFT” is currently on everyone’s lips again, and not only because of Pro Senectute. But what is actually behind the full-bodied promises of the NFT advocates? For more insights on NFTs and the entire blockchain ecosystem, click here. You can also read this text in German 🇩🇪. “NFT” stands for “Non-Fungible Token” and is being…
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Identifying AI art
AI art is on the rise, both in terms of quality and quantity. It (unfortunately) lies in human nature to market some of that as genuine art. Here are some signs that can help identifying AI art.
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Parity Bits
[simple_series title=”CRC Tutorial”] Parity comes in two flavors, even and odd. Even parity is defined that the sum of all transmitted bits in a symbol (including the parity bit) is even; odd parity is defined correspondingly. That is, even parity is the exclusive-or of all the data bits (see image on the right), while odd…
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SMTP Smuggling Status
«SMTP Smuggling» is a vulnerability that allows to circumvent some mail checks at the receiver and therefore will allow additional spam and/or phishing messages through. Here is the list of what we currently know.