Ethereum update: What to expect from the Dencun Upgrade Ethereum (ETH) continues to evolve and its latest hard fork is the Dencun Upgrade. It was rolled out on 13th March 2024 at 1:55 PM UTC, forever changing the state of the world’s biggest smart contract blockchains. It made no changes to how ETH tokens work, but it proposes a new sharding system to make the network more efficient. Key Takeaways The Dencun Upgrade is a new hard fork introducing proto-danksharding that helps Ethereum handle more transactions at once.