Author: Markus Perdrizat
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You’ve been hacked, what now?
You work for a crypto company, project or DAO and someone alerts you that you’ve been hacked. What do you do next? Here’s a quick emergency cheat sheet.
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Crypto 2025 Predictions
Cryptocurrencies are ending the year 2024 on a very high note. Here are my top 2025 predictions for adoption, institutions and technology
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Hosting Update
Next year I’ll be approaching 25 years of blogging, and for the first time ever I made the switch to commercial hosting for the blog. My previous server was getting old, requiring a major Debian update or two. The outdated PHP version made hosting WordPress more and more difficult. So, after much contemplation (a.k.a. procrastination),…
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UniFi update blocking Tor
TLDR: UniFi Network Application 7.4.162 may start blocking Tor, even though the corresponding option is disabled. I just spent a couple hours troubleshooting my Bitcoin Lightning node because suddenly (over night) all channels where down. After a while I realized that, while the Bitcoin node was still connected, it only connected over clearnet and no…
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Apple didn’t get it to work
Apple “decided to not proceed with the proposal for a hybrid client-server approach to CSAM detection for iCloud Photos from a few years ago,” and “concluded it was not practically possible to implement without ultimately imperiling the security and privacy of our users.” This is the confirmation that it’s simply not possible to scan everyone’s…
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Are NFTs securities?
New perspective that I haven’t heard before, better explains why quite a few respectable people argue that (many) NFTs are securities. Great newsletter as usual by Matt Levine. I like to explain crypto initial coin offerings by saying that “they’re like if the Wright Brothers sold air miles to finance inventing the airplane,” so here’s…
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Custody & Post-Trade-Infrastructure
Die HSLU bietet ab Oktober 2023 mit dem CAS Crypto Finance & Cryptocurrencies wieder die Gelegenheit, sich in diesem wichtigen Bereich mit Expertenwissen weiterzubilden. Ich werde das Themen Custody und Post-Trade-Infraktruktur vertiefen, und freue mich jetzt schon wieder auf die anregenden Diskussionen, wenn wir ausgehend von der SWIFT-Architektur herführen, wie das heute und morgen auf…
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Doxx through Bankruptcy
This is bad! They worked out more than 15,000 personal crypto wallets from last year’s Celsius filing — all tied to real names.Celsius filing revealed 15,000 personal crypto wallets holding $3 billion at their peak
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Entropy
Here is another reminder that using strong entropy (randomness) for crypto wallets is a must, otherwise people are able to guess your private keys and steal all assets. Klever Alert: External Security Incident
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