Ocean Protocol is an artificial intelligence protocol and network designed to help trading platforms sell data and services, software and tools for data analysis. The protocol has the ability to provide network rewards to stimulate supplies and services.

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PSA: Vyper versions 0.2.15, 0.2.16 and 0.3.0 are vulnerable to malfunctioning reentrancy locks. The investigation is ongoing but any project relying on these versions should immediately reach out to us.

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PSA: Ocean contracts were *not* affected by the recently discovered Vyper reentrancy bug.

Here's the reentrancy bug, reported by the Vyper team
https://twitter.com/vyperlang/status/1685692973051498497

veOCEAN does use Vyper, but is not affected by the  bug. 

Details...

Ocean core team has been in touch with the Vyper team to get more info.

Ocean uses Vyper in these contracts: veOCEAN, veDelegation, veFeeDistributor, veDelegationProxy, and veFeeEstimate.

Only veDelegationProxy uses a vulnerable version of Vyper.

However, the reentrancy lock is not used, and there are no external eth calls. 

So, it's safe.