The developers of blockchain-platform NEO recognized identified by the audit company in the field of security Red4Sec vulnerability in the code of smart contracts on the basis of which some decentralized applications (dApps), which is a standard NEP-5. Thus, according to them, the NEO blockchain is not compromised.

A Statement on Storage Injection Vulnerability.

— NEO Smart Economy (@NEO_Blockchain) May 18, 2018

If you change to smart Kontakte parameter, hackers can control the number of tokens, burning or increasing their displayed quantity. However, the representatives of NEO declare that the actual number of tokens this manipulation is not affected, and therefore does not represent a high risk.

Recall that in early may, the company LiaAn Chengdu Technology Co (LianAn Tech), a member of the group EOS.CYBEX has identified a critical vulnerability in the architecture of smart contracts EOS. And the team of Bitcoin ABC that it was anonymously notified about a critical vulnerability in the Bitcoin client-0.17.0 ABC, has released a new version 0.17.1 to prevent possible problems.