Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 488 posts.

Crypto & Blockchain
Any year
481

Encrypt-then-MAC

First things first: Why use a composition of encryption and MAC instead of a single primitive which achieves both? Because people are very good at writing bad code. In my experience on the FreeBSD security team, writing dozens of security advisories, there are three types of code which are especially prone to have…

488

Nothing is Cheaper than Proof of Work

I previously wrote a post on proof of work (PoW) and mining . The first half generated great interest but (apparently) failed to be universally persuasive. For example, CCRG (Ethereum’s multi-million dollar funded “research” organization) consists almost entirely of academics theorizing about proof of stake (PoS) .