Ethereum’s Fusaka Upgrade Is Live: Everything You Need to Know

Ethereum has officially activated its Fusaka upgrade on mainnet as of December 3, 2025, a major hard fork that reshapes the network’s scaling future. As part of the broader Surge phase of Ethereum’s long-term roadmap, Fusaka dramatically boosts the chain’s data capacity, reduces Layer 2 (L2) fees, and improves the overall user experience. source: https://www.ethnews.com/ethereums-fusaka-upgrade-is-live-everything-you-need-to-know/