Vitalik Buterin has said that the upcoming Ethereum Constantinople hard fork will not have any negative security implications. The co-founder, along with other core developers, dismissed any such rumors during a recent core developer call.
Ethereum is set to release its latest smart contract feature, with the main criticism centered on a new feature named as Create2. The feature has been designated as Ethereum Improvement Proposal (EIP 1014) and is expected to allow integrations with a contract which is still non-existent on the blockchain.
Many developers have raised questions regarding the addition of a potential attack vector to the network due to the implementation of Create2. After being deployed, smart contracts can be coded to change their address. One expert suggested that after implementation of Constantinople, any contract with a self-destruct feature will be more vulnerable than before.
During the discussion, developer Jeff Coleman highlighted the point regarding the counterintuitive nature of Create2. He maintained that it is possible, in theory, that redeployments can alter the contract byte code as the address is just a commitment to the init code. However, the public should be conscious of the fact that init codes are a part of auditing whereas the problem is caused by non-deterministic init codes.
In addition, Buterin maintained that Create2 is a part of the platform’s long-term plans. He believed that when thinking about deletion and rents, one should keep in mind a futuristic approach. One needs not to solve these issues in the next few days. However, keeping these issues in mind will help once ETH 2.0 is sharded to a VM spec in near future, he added.
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