• 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. Read more

  • 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 Read more

  • 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 The outdated PHP version made hosting WordPress… Read more

  • 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… Read more

  • 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… Read more

  • 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… Read more

  • 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… Read more

  • 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 Read more

  • 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 Read more

  • Multichain Bridges Experience Unannounced Outflows of Over $130M in Crypto, looks to be hacked again. There is just not a lot of safe and secure infrastructure in crypto yet, be mindful out there! Read more