An overview over information related to blockchain technology.
A German 🇩🇪 version is available here.
Long reads (introductions)
- Hitchhiker’s Guide to the Blockchain (German 🇩🇪: «Per Anhalter durch die Blockchain»)
- (In preparation…)
Short reads (easy)
- Crypto donations: Neither anonymous nor without consequences (Only in German 🇩🇪: Kryptospenden: Weder anonym noch folgenlos)
- Offline digital cash? (German 🇩🇪: Digitales Offline-Geld?)
- The NFT Danger Zone (German 🇩🇪: «NFT: Gefahr statt Chance»)
- A business-driven blockchain evaluation flow chart
- Blockchain in a nutshell (German 🇩🇪: «Blockchain in aller Kürze»)
- Data lifecycle questions, not only for Blockchains (German 🇩🇪: «Fragen zum Datenlebenszyklus, nicht nur für Blockchains»)
Short reads (German)
- Sollen Zeugnisse in die Blockchain? 🇩🇪 (Degree certificates into the blockchain?)
- Bitcoin, Blockchain, NFTs: Was steckt dahinter? 🇩🇪 (VHS Stein am Rhein 2022)
- Muss es denn immer Blockchain sein? 🇩🇪 (Winterkongress 2022)
- Web3 is just expensive P2P (intensely discussed on HackerNews)
- Bitcoin block timing statistics
- Git, PGP, and the Blockchain: A Comparison (even if you think you will need a blockchain, probably timestamping is enough)
- A brief history of time(stamping)
- Solana Blockchain: Proof of History Analogies (Attempts at understanding/explaining the topic; shorter version in German 🇩🇪: «Was ist Proof of History?»)
- A German 🇩🇪 version of Amy Castor’s and David Gerard’s «The Latecomer’s Guide to Crypto Crashing — a quick map of where we are and what’s ahead». The text is also available in French 🇫🇷, Spanish 🇪🇸, and Italian 🇮🇹.
- A German 🇩🇪 version of David Gerards «Your guide to the crypto crash — Terra UST, Bitcoin and El Salvador»
Overview over blockchain contents
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.
Susanna Petrin closes her NFT experiment with a dystopia of life after we destroyed our environment: Admiring our NFTs while strolling through the metaverse. I hope we can avert both.
Yesterday, Rene Jan Veldwijk posted a blockchain decision flowchart he had previously used in a presentation.
People often try to claim blockchain use cases without much deliberation. Here is a condensed, quotable version of «Hitchhiker’s Guide to the Blockchain» and «Data lifecycle questions, not only for Blockchains».
Web3 claims to be the only way to save us from commercial entities defining what we can see and what not. Yet, it does exactly this: It results in commercialized entities defining what we can see and what not.
In any data-centric applications, understanding the data lifecycle (also as part of the product lifecycle) is important, especially when trust or traceability are also goals. If Blockchain should play a role, then the requirements associated with the data lifecycle can even become a decisive factor: Either adapt the data model or the processes, or, if […]
Here are some attempts to compare Proof of History (PoH), as used by the Solana blockchain, with Proof of Work (PoW). Comparisons to real-world activities, such as dice rolling or outer-space rubber-stamp throwing are also included.