Vitalik Buterin Dismisses Rumors New Constantinople Feature Allows Attack Vector
Ethereum co-founder Vitalik Buterin and other core devs have dismissed allegations that a new smart contract creation feature set to be released in the forthcoming Constantinople hard fork will have negative security implications.
The discussion was held during a Ethereum core developer call on Feb. 15.The feature in question is called “Create2” – designated as Ethereum Improvement Proposal EIP-1014 – and is intended to allow for interactions with a contract that does not yet exist on the blockchain – specifically, “Addresses that do not exist yet on-chain but can be relied on to only possibly eventually contain code.”
Several ETH devs had voiced concerns that Create2 could introduce a potentially serious attack vector to the network, given the implication that smart contracts could purportedly be coded to change their address after being deployed.
One had questioned whether the feature doesn’t “Mean that any contract post-Constantinople with a self destruct is now more suspect than before?”.
In a discussion of this and other comments, dev Jeff Coleman underscored that “One of the things that is counter-intuitive about Create2 is that theoretically redeployments can change the contract byte code, because the address is only a commitment to the init code. People need to be aware that init codes are part of auditing, that non-deterministic init codes are a problem.”
Marie Huillet’s original article for cointelegraph.com reduced by 52%
Related cryptocurrency news – How Will Ethereum Hard Fork Effect Prices This Time Around?
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