AuthorTaylor Hornby

Rules for the 2017 Underhanded Crypto Contest

Introduction The Underhanded Crypto contest was inspired by the famous Underhanded C Contest, which is a contest for producing C programs that look correct, yet are flawed in some subtle way that makes them behave inappropriately. This is a great model for demonstrating how hard code review is, and how easy it is to slip in a backdoor even when smart people are paying attention. The Underhanded...

The 2016 Backdoored Cryptocurrency Contest Winner

Earlier this year, we opened a contest with a special focus on backdoors in cryptocurrencies. Despite offering a $500 first-place prize from our sponsor Zcash, and a $250 second-place prize from our sponsor NCC Cryptography Services, only one person sent in a submission. It’s a good one, though, and our judges agreed to award it the first-place prize. Our sponsors:              ...

Judges for the 2016 Contest

We recently put out a call to attract volunteer judges for this year’s contest. Now, we’re proud to present those who will be judging the 2016 contest. The judges are, in alphabetical order:

Jean-Philippe Aumasson
Gustavo Banegas
Eric Wustrow

The contest wouldn’t be possible without our volunteer judges. To them, we extend our sincere thanks.

Prizes for the 2016 Contest

Underhanded Crypto Contest participants put a lot of effort into their submissions, and it’s important for us to reward that effort. This year, we’ve worked out sponsorship agreements that let us give out cash prizes to the top two entries. See the contest rules for more information. First Place Prize: $500 USD The first-place prize of $500 USD is being provided by Zcash. Second Place...

We’ve Extended the Deadline for the 2016 Contest

We, the organizers, have been super busy with other things this year, and haven’t been promoting the contest on social media as we’d have liked. With the current deadline of June 1, 2016 only days away, it would be unfair for us to start promoting the contest now. Everyone should have a chance to submit their best idea before we stop accepting submissions. So we’re extending the...

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