Wu said that Nico, head of the Ethereum Foundation's privacy project Kohaku, stated that Ethereum can now begin preparing for the "Post-Quantum" era at the account level without waiting for a bottom-layer hard fork upgrade. According to the data disclosed by him, under the current technical framework, the cost to implement this preparation work is only $0.07. Nico revealed that he has completed a review together with Fable, and further audit work will soon commence. Additionally, the current plan includes formal verification proofs developed by the Verity framework for enthusiasts of the Lean language.