Ethereum's price surge coincides with the activation of the Fusaka upgrade, a significant development in the network's scaling efforts. This upgrade introduces a new data-sampling system, PeerDAS, and blob-scaling features, marking Ethereum's second major upgrade this year. The activation has sparked a 4.3% price increase, reaching $3,200, with trading volume soaring from $28.2 billion to $32 billion in six hours. This surge is attributed to 'strong accumulation from shark wallets' holding substantial ETH amounts. The Fusaka upgrade is seen as a crucial step in aligning Ethereum's base layer with the scale of activity across its layer-2 ecosystem, enhancing data availability and block capacity. It introduces PeerDAS, a data sampling system that reduces storage requirements and bandwidth, allowing for an eightfold increase in blob throughput. This upgrade also enables Blob-Parameter-Only (BPO) configuration changes, ensuring blob fees remain stable even with rising gas prices. The Fusaka upgrade is considered an 'infrastructure-heavy' update, expanding capacity without disrupting the system's fundamentals. It is expected to influence value flow through Ethereum's base layer, with Layer 1 block space as the primary beneficiary. The upgrade's impact on rollups is significant, altering their competitive positioning and shaping the next cycle's downstream effects. By reducing data load, it enhances network predictability, making it more attractive to regulated institutions. This upgrade also lowers the operational threshold for node participation, potentially widening the validator base and reducing concentration risk. The Fusaka upgrade is a pivotal moment in Ethereum's scaling journey, addressing long-standing requests and paving the way for a more efficient, scalable, and decentralized network.