BSidesPhilly cg09 File Polyglottery or This Proof of Concept is Also a Picture of Cats Evan Sultanik

Two New Tools that Tame the Treachery of Files

Parsing is hard, even when a file format is well specified. But when the specification is ambiguous, it leads to unintended and strange parser and interpreter behaviors that make file formats susceptible to security vulnerabilities. What if we could automatically generate a “safe” subset of any file format, along with ... Read More
Anatomy of an Unsafe Smart Contract Programming Language

Empire Hacking: Ethereum Edition 2

On December 12, over 150 attendees joined a special, half-day Empire Hacking to learn about pitfalls in smart contract security and how to avoid them. Thank you to everyone who came, to our superb speakers, and to BuzzFeed for hosting this meetup at their office. Watch the presentations again It’s ... Read More