TechFlow reports that dYdX has announced the launch of dYdX Chain v4.0, which includes various upgrades to protocol functionality, risk management, governance, and performance.
Key updates include support for reduce-only orders, IBC withdrawal rate limiting, sub-account withdrawal controls, and governance-enabled penalty features.
Meanwhile, the Cosmos SDK has been upgraded to v0.50.3, introducing optimistic execution and vote extensions to support future protocol releases. Specific parameter configurations are recommended for network adoption.




