Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,335 posts.

Security & Privacy
Any year
1868

The Curious Case of MD5

Recently I came across a puzzling fact: the International Criminal Court hashes electronic evidence with MD5, even though MD5 is badly broken. So, why are lawyers using broken, outdated technology? The answer involves the common law system, cultural isolation, and a single man named Don L. Lewis.

1871

Sei pays out $2M bug bounty

In April 2024, I found and reported two critical bugs to Sei Network concerning their layer-1 blockchain. One of these issues impacted the chain’s availability, and the other its integrity. The Sei Foundation awarded me $75,000 and $2,000,000 respectively for these reports.

1876

Yik Yak Hack

Yik Yak is an anonymous, controversial social media application that allows people to make posts that are visible to other users within ~2 miles. Often landing a top 10 spot in the iOS App Store, this app has become increasingly popular with high school and college students. Due to the anonymous nature of the app…