The District Journal
Vertical analyses on space, AI, industrial blockchain, and infrastructure security. Understanding today what everyone else will talk about a year from now. No hype. Just reality.
Don’t Trust Me
The security foundations of anoncreds, blockchains, and most of today’s digital economy rest on cryptographic primitives—RSA, elliptic curve cryptography, digital signatures, and zero-knowledge proofs—that…
OSINT-pop
Basing our access to information on the reliability of images is at best a form of naiveness and, at least potentially, opens the door…
Debunking NFTs: Beyond Collectibles
NFTs extend well beyond mere collectibles. Historically, paper documents such as stocks, bonds, certificates, and contracts have served as proofs of ownership and authenticity.…
The Intelligent Amulet: Chapter I
Magico and the Mysterious Amulet Once upon a time, in a world far beyond the clouds, there existed a magical kingdom called Cogitaria. It…
Quiz
🧠 On-Chain Microcredit & Buy-Now-Pay-Later Trivia Quiz
Our latest blockchain-focused trivia quiz blends microcredit, BNPL, and on-chain credit scoring concepts in a unique, informative way. As usual,…
NIST CSF 2.0 & NIS2 Trivia Quiz
How well do you understand the similarities, differences, and complementarities between the U.S. NIST Cybersecurity Framework 2.0 and the European…