PPT-Hijacking Bitcoin: Routing attacks on cryptocurrencies

Aviv Zohar School Computer Science and Engineering The Hebrew University of Jerusalem Based on joint work with Maria Apostolaki and Laurent Vanbever Blue 2 Red 1 Digital Payments. vulnerable to hijacking attempts. Hijackers may target these vehicles not for the cargo they contain, but for perpetrating various types of terrorist activities. These vehicles may be targeted beca Tongqing Qiu. +. , . Lusheng. . Ji. *. , Dan Pei. *. Jia. Wang. *. , Jun (Jim) . Xu. +. , Hitesh . Ballani. ++. + College of Computing, Georgia Tech. * AT&T Lab – Research. ++ Department of Computer Science, Cornell University . Based on “Bitcoin Tutorial” presentation by. Joseph Bonneau, Princeton University. Bonneau slides marked “JB”. Bitcoin . today . (October . 2. , 2015). Bitcoin is a combination of several things: a currency, a payment system, and a collection of algorithms and software implementations.. Control hijacking attacks. . Attacker’s goal. :. Take over target machine (e.g. web server). Execute arbitrary code on target by hijacking application control flow. Examples:. Buffer overflow and integer overflow attacks. Aviv Zohar. School Computer Science and Engineering. The Hebrew University of Jerusalem . Based on joint work with . Maria . Apostolaki. and . Laurent . Vanbever. Blue: 2. Red: 1. Digital Payments. Not FDIC . Insured. . |. . May . Lose . Value. . |. . . No . Bank Guarantee. DISRUPTION. 1. Disruptive technologies are changing our world . Cryptocurrencies. Blockchain. Digital payments. Disrupting . Satoshi . Nakamoto. A Fistful of Bitcoins: Characterizing Payments Among Men with No Names. Sarah . Meiklejohn. , . Marjori. . Pomarole. , Grant Jordan, Kirill . Levchenko. Damon, . McCoy,Geoffrey. Use our guide to find all supported exchanges and bitcoin ATMs within the United States for your state and local region quickly and efficiently. Download it now. Visit: https://www.smartbitcoininvestments.com/buy-bitcoin-in-united-states/ Use our guide to find all of the supported exchanges and bitcoin ATMs within Hawaii quickly and efficiently. Download it now. Visit: https://www.smartbitcoininvestments.com/buy-bitcoin-in-hawaii/ Use our guide to find all of the supported exchanges and bitcoin ATMs within Washington quickly and efficiently. Download it now. Visit: https://www.smartbitcoininvestments.com/buy-bitcoin-in-washington/ play real bitcoin games and earn real bitcoin by play online casino game. Duke University and NBER. January . 27, . 2018. Innovation and . Cryptoventures. Campbell R. Harvey 2018. 2. Money. Purposes of money:. Primary. Unit of Account. : A way to compare the value of various goods and services. The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise! and. How Significant are They to Our Economy?. Cryptocurrencies are digital commodities designed to serve as an alternative to conventional currencies.. Examples of cryptocurrencies include: Bitcoin, Litecoin, Ethereum, Ripple, Stellar, NEO, .