Sebastien Rousseau

INFRA

Cryptography

Applied cryptography in banking — hashes, signatures, KEMs, key management, and the cryptographic primitives that secure the rails.

6 articles

APPLIED AI

KyberLib: Rust CRYSTALS-Kyber for Post-Quantum

KyberLib is a Rust-based library that protects your data from the potential threat of quantum computing. Built upon the CRYSTALS-Kyber algorithm, KyberLib delivers exceptional security,…

APPLIED AI

Understanding the Technology behind Blockchain

Blockchain is an append-only ledger secured by cryptographic hash chains and distributed consensus — a design that makes tampering computationally expensive and auditable by anyone. Ethereum extended this foundation with a programmable execution layer, turning a simple payments record into a platform for smart contracts, tokens, and decentralised finance.