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Ethereum's update “Constantinople” postponed due to security vulnerabilities

Ethereum was an update of Constantinople scheduled today on January 16, 2019. However, with the update of Constantinople, since a serious vulnerability in security was discovered, we decided to postpone the hard fork while there was a problem.

Out of an abundance of caution About the invariant broken by EIP 1283 discovered by @ chain_security, the Constantinople fork will be postponed & the EIP will not be part of Constantinople when it occurs. New fork date chosen on Fri

New client hotfixes releases available soon

– Evan Van Ness (@ evan_van_ness) January 15, 2019

According to Chainsecurity, a smart contract auditing company, if EIP 1283 is implemented, vulnerabilities known as reentrancy attacks allow an attacker to “re-enter” the same function multiple times without updating the current situation It will be like. That is, I announced that it might be able to steal user’s funds .

The schedule of the new fork is said to be decided on Friday.

After the announcement of Constantinople’s postponement this time, the market price of ETH showed a decline of 10 dollars in about 10 minutes.

Things to know about Estorian’s “Constantinople” hard fork – CRYPTO TIMES

References: Constantinople en new Reentrancy Attack – Chainsecurity Medium, Coindesk

Author: Arata – Source Post: https://crypto-times.jp/constantinople-security-delayed/

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