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Tuesday, July 25 • 14:00 - 14:55
Measuring the Use and Abuse of Brain Wallets

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Bitcoin brain wallets, were way of turning nothing but a password into a keypair, at least until it was widely understood what a bad idea this was. The wake of data left behind includes a very interesting corpus of passwords to analyze and logs of attacker activity - after all blockchains never forget. This talk focuses on what we can learn from this. Do people select stronger passwords when more money is on the line? How quickly does bitcoin sent to weak brain wallets get drained? How many distinct thieves can be identified?

avatar for Ryan Castellucci

Ryan Castellucci

Principal Security Researcher, White Ops
Ryan Castellucci has been interested in cryptography and computer security since childhood. He has been doing work on Bitcoin key cracking for several years, first presenting on it at DEF CON 23. By day, Ryan does browser security research to detect bots, scrapers and other forms... Read More →
avatar for Marie Vasek

Marie Vasek

Assistant Professor, University of New Mexico
Marie Vasek is an assistant professor in the computer science department at the University of New Mexico. She helps lead StopBadware, an anti-malware organization for which she started working in 2011. Her research focuses on cybercrime measurement, particularly web-based malware... Read More →

Tuesday July 25, 2017 14:00 - 14:55 PDT
Ground1234! (The Tuscany, Tuscany Room) 255 E Flamingo Rd, Las Vegas, NV 89169