Odaily News The Ethereum Foundation has issued an announcement regarding the implementation of the Dencun upgrade on the Sepolia and Holesky testnets. According to the plan, the expected upgrade time of Sepolia is 22:51:12 UTC on January 30 (06:51:12 Beijing time on January 31), and the expected upgrade time of Holesky is 11:34:24 on February 7 ( (Beijing time 19:34:24). If the Sepolia and Holesky upgrades go smoothly, the next step is to activate the Dencun upgrade on the Ethereum mainnet.