Cryptography

Header image by gabrielzschmitz, licensed under Creative Commons 4.0 Attribution license. Hackathons force software systems into extreme conditions: limited time, incomplete guarantees, and architectural decisions that must work immediately. In just 48 hours, during the Sinhgad Hackathon 2026, we — Ary and I — built ProofVote, a secure, decentralized voting system implemented entirely in C++. (Our work can be viewed on GitHub.) 📜 Sinhgad Hackathon 2026 Certificate Official participation certificate issued by the hackathon organizers. ...

Header image by gabrielzschmitz, licensed under Creative Commons 4.0 Attribution license. Cryptography is the cornerstone of modern digital security. From encrypted messaging to blockchain and secure web browsing, the invisible machinery of math keeps our data safe. But with the rise of quantum computing, the very foundation of today’s encryption methods faces a serious threat. Let’s explore what cryptography is, how it works, and why quantum computers could break it — unless we prepare now. ...