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A business-driven blockchain evaluation flow chart
Yesterday, Rene Jan Veldwijk posted a blockchain decision flowchart he had previously used in a presentation.
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Blockchain in a nutshell
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».
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Web3 is just expensive P2P
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.
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chrony NTS certificate reload
The chrony NTS daemon has no way to automatically reload its NTS certificate. A quick hack fixes this.
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Hitchhiker’s Guide to the Blockchain
Blockchain, cryptocurrencies, smart contracts, Web3 and NFT are the talk of the town. Almost everyone has an opinion, but hardly anyone understands the foundations or relationships. The goal of this series, whose first part you are currently reading, is to provide a structured presentation of promises, the technology behind, and the reality. Using everyday analogies…
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Data lifecycle questions, not only for Blockchains
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…
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Solana Blockchain: Proof of History analogies
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.
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Bitcoin Block Timing Statistics
Bitcoin wants to be a universal payment means, providing rapid transactions. Here is an analysis on the blockchain timing, based on their timestamps.
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Git, PGP, and the Blockchain: A Comparison
The Blockchain, a cryptographically linked list with additional restrictions, is often touted to be the most significant innovation towards democratization of the digital landscape, especially the Internet. However, the ideas did not come out of thin air, but have ancestors and relatives. An attempt at technological genealogy.
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Network Time Security: NTS articles overview
NTP, the Network Time Protocol, is the way most computers and mobile devices obtain their time through. NTS (Network Time Security) is to NTP what HTTPS is to HTTP. It also is as easy to upgrade as upgrading to HTTPS is these days: No effort for the client, just adding a certificate for the server.…