Build logs on AI, medical software and Web3 — the technical side of WAF Lucas Lab.
This is the post in this series where my old course notes are most out of date — and honestly, that’s exactly why it’s worth writing. Going back through the original slides, they describe Ethereum (the version for ETH 2.0) as a future, three-phase upgrade, with sharding as part of “phase two,” and a supply…
Bitcoin reaches consensus without any central authority through a specific set of rules — this is the post that ties Parts 2 and 3 together into an actual working system. You now know how keys and signatures prove ownership. But proving you signed a transaction doesn’t answer a much harder question: in a network of…
The Cryptography That Actually Powers Bitcoin Bitcoin cryptography is usually explained with hand-wavy metaphors, so let’s not do that here. Most explainers wave their hands at “cryptography secures the blockchain” and move on. I’d rather not do that — partly because the actual math is genuinely elegant, and partly because understanding it changes how you…
What is blockchain, really? I studied this material properly, in an MBA-level ‘Cryptoeconomics & Blockchain Technologies’ course a few years back, and I’ve been sitting on the notes ever since. The goal of this series isn’t to rewrite a blockchain textbook. It’s to take what I learned then, separate the concepts that aged well from…