Where mathematics meets the real world. Cryptography, formal verification, and applied mathematics in practice.https://badaas.be/https://badaas.be/blog/undefined/https://badaas.be/blog/undefined/An overview of the high assurance cryptography ecosystem: the companies, research labs, tools, programming languages, products, and cryptographic primitives that make up the world of formally verified and rigorously engineered cryptographic software.Sun, 26 Apr 2026 00:00:00 GMTcryptographyformal-verificationhigh-assurancesecurityrustfstarhttps://badaas.be/blog/undefined/https://badaas.be/blog/undefined/The origin of the word tactic in proof assistants, from Robin Milner's LCF to Lean 4.Fri, 24 Apr 2026 00:00:00 GMTformal-verificationhistorylean4https://badaas.be/blog/undefined/https://badaas.be/blog/undefined/An introduction to p-adic numbers for developers and engineers. We build the p-adic integers from scratch, work through concrete examples, trace the history from Hensel to Scholze, and see how Hensel lifting turns mod-p solutions into exact p-adic roots.Fri, 10 Apr 2026 00:00:00 GMTnumber-theoryp-adic-numbersmathematicshttps://badaas.be/blog/undefined/https://badaas.be/blog/undefined/The web's implicit contract is breaking. AI crawlers consume content without receipts, and no one can cryptographically prove what trained a model. We explore the legal, technical, and mathematical landscape of AI training accountability.Sat, 14 Mar 2026 00:00:00 GMTcryptographyaidata-governancezero-knowledge-proofshttps://badaas.be/blog/undefined/https://badaas.be/blog/undefined/Welcome to the BaDaaS blog. We'll be sharing technical articles on cryptography, security, and software development.Fri, 23 Jan 2026 00:00:00 GMTannouncement