The post Ethereum’s Fusaka Upgrade Goes Live com. Ethereum is moving closer to its next major evolution. On Tuesday, the network’s latest hard fork, Fusaka, went live on the Hoodi testnet, marking the final testing stage before its official mainnet activation later this year. Hoodi is the third and final testnet for Fusaka, following earlier deployments on Holesky and Sepolia. According to the Ethereum Foundation (@ethereumfndn), the mainnet rollout will happen at least 30 days after Hoodi testing, with December 3 set as the tentative date for the official hard fork. Fusaka is more than just another upgrade. It represents the next phase of Ethereum’s long-term roadmap, focused on scalability, efficiency, and Layer 2 optimization. Ethereum Surpasses Bitcoin in Digital Asset Treasuries by Total Supply Ethereum now leads with 4. 1% of total supply held by institutional treasuries, followed by Bitcoin (3. 6%) and Solana (2. 7%). The surge in ETH holdings coincided with Donald Trump’s signing of the GENIUS Act,. pic. twitter. com/o3d2NwmG6m CryptoRank. io (@CryptoRank_io) October 29, 2025 The Road to Fusaka The Ethereum community has been preparing for this moment for months. Each testnet deployment served as a trial ground for new features and infrastructure refinements. The first implementation on Holesky tested network synchronization and consensus adjustments. Sepolia followed, validating node performance and gas parameter tuning. Now, with Hoodi live, developers are finalizing tests for rollup scaling and parallel execution, two pillars of the upcoming upgrade. Fusaka’s mainnet launch on December 3 will be the first step in a three-stage rollout designed to gradually expand Ethereum’s data and transaction capacity. Rollout Timeline Ethereum developers confirmed a structured schedule for Fusaka’s release: Dec 3, 2025 → Fusaka mainnet launch Dec 17, 2025 → Blob capacity increase Jan 7, 2026 → Second blob capacity hard fork Each stage unlocks new capabilities. The first activation will introduce key EIPs, while the later forks.