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Ethereum co-founder Vitalik Buterin highlighted PeerDAS, the central feature of the upcoming Fusaka upgrade, as the breakthrough solution for scaling the blockchain. PeerDAS, or Peer Data Availability Sampling, allows nodes to verify block data without downloading it entirely, instead reconstructing information from smaller chunks using erasure coding. Buterin called the approach “unprecedented,” noting it reduces reliance on any single node and strengthens resistance against dishonest actors.
Momentum around Ethereum’s scaling efforts is also evident in its network activity. For the first time, Ethereum reached six blobs per block — fixed-size data packets introduced in the Dencun upgrade to give rollups cheaper storage options. Increased blob use is being driven by rollups such as Base, World, and Linea, which collectively pay around $200,000 weekly in mainnet fees. Analysts caution, however, that blobspace remains inconsistent, with many blobs partially empty.
Ethereum developers have tentatively set December 3 as the target date for Fusaka’s mainnet launch, pending successful testnet results. To ensure security, the Ethereum Foundation has launched a four-week audit contest with $2 million in rewards for researchers who uncover bugs before the hard fork.
