# sec: oops! also blockchain system seems to show some security vulnerabilities

<< Smart contracts - stateful executable objects hosted on blockchains like Ethereum - carry billions of dollars worth of coins and cannot be updated once deployed >>

AA << present a new systematic characterization of a class of trace vulnerabilities, which result from analyzing multiple invocations of a contract over its lifetime >>

Ivica Nikolic, Aashish Kolluri, et al. Finding The Greedy, Prodigal, and Suicidal Contracts at Scale. arXiv: 1802.06038 [cs.CR]. Feb 16, 2018.

https://arxiv.org/abs/1802.06038

Kristin Houser. Uh Oh: Blockchain May Not Be as Secure as We Thought. Mar 2, 2018.

https://futurism.com/blockchain-security-smart-contracts/ 

Mike Orcutt. Ethereum's smart contracts are full of holes. MIT Tech Rev. Mar 1, 2018.

https://www.technologyreview.com/s/610392/ethereums-smart-contracts-are-full-of-holes/

Also

# e-ai: an intriguing hypothesis: cheating that system will become near impossible. Jun 18, 2017

http://flashontrack.blogspot.it/2017/06/e-ai-intriguing-hypothesis-cheating.html