Dan Guido

Trail of Bits Blog

by Rachel Cipkins, Stevens Institute of Technology, Hoboken, NJ A few weeks ago I had the inspiring experience of attending the annual Grace Hopper Celebration (GHC), the world’s largest gathering of women in technology. Over four days in Orlando, Florida, GHC hosted a slew of workshops and presentations, plus a ... Read More

A denial-of-service (DoS) vulnerability, dubbed ‘Gridlock,’ was publicly reported on July 1st in one of Edgeware’s smart contracts deployed on Ethereum. As much as $290 million worth of Ether may have been held on this contract. Edgeware has since acknowledged and fixed the “fatal bug.” When we heard about Gridlock, ... Read More

The Trail of Bits SummerCon Fellowship program is now accepting applications from emerging security researchers with excellent project ideas. Fellows will explore their research topics with our guidance and then present their findings at SummerCon 2019. We will be reserving at least 50% of our funding for marginalized, female-identifying, transgender, ... Read More

We wanted to make up for missing the first three Devcons, so we participated in this year’s event through a number of talks, a panel, and two trainings. For those of you who couldn’t join us, we’ve summarized our contributions below. We hope to see you there next year. Using ... Read More

We came away from ETH Berlin with two overarching impressions: first, many developers were hungry for any guidance on security, and second; too few security firms were accessible. When we began taking on blockchain security engagements in 2016, there were no tools engineered for the work. Useful documentation was hard ... Read More

We have a soft spot in our hearts for SummerCon. This event, the longest-running hacker conference in the US, is a great chance to host hacker friends from around the world in NYC, catch up in person, and learn about delightfully weird security topics. It draws a great crowd, ranging ... Read More

Two years ago, when we began taking on blockchain security engagements, there were no tools engineered for the work. No static analyzers, fuzzers, or reverse engineering tools for Ethereum. So, we invested significant time and expertise to create what we needed, adapt what we already had, and refine the work ... Read More

Two weeks ago, we were engaged by CTS Labs as independent consultants at our standard consulting rates to review and confirm the technical accuracy of their preliminary findings. We participated neither in their research nor in their subsequent disclosure process. Our recommendation to CTS was to disclose the vulnerabilities through ... Read More

What a roller coaster of a year! Well, outside of our office. Inside, 2017 was excellent. We published novel research that advanced – among others – the practices of automated bug discovery, symbolic execution, and binary translation. In the process, we improved many foundational tools that an increasing number of ... Read More