Vulnerability statistics: only one ICO held in 2017 without any security flow
According to the research by Positive.com, a firm majoring in ICO (initial coin offering) audits, at least five security vulnerabilities were found in each ICO on average. For 71% of test cases, the security flaws were found in smart contracts, the core of ICO.
https://block-chain.com/news/vulnerability-statistics-only-one-ico-held-in-2017-without-any-security-flow
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