Vitalik Buterin posted a post celebrating the success of the Ethereum Fusaka upgrade, saying that the Peer DAS in the Fusaka upgrade enables sharding and data availability sampling: this has always been a dream for Ethereum.
While a secondary increase in transaction size was achieved on Layer 2 by increasing blob capacity - according to recent analysis, L2 fees could be reduced by 40-60% - Layer 1 remains constrained until zero-knowledge EVMs mature, requiring distributed block building and sharding memory pools.
This marks a key evolution in blockchain scalability, filling a ten-year roadmap gap since the 2015 Ethereum sharding vision, with the next two years focused on optimizing the stability of PeerDAS and scaling to the L1 gas limit to achieve wider throughput.
Vitalik: PeerDAS in Fusaka upgrade realizes Ethereum sharding, and will focus on optimizing PeerDAS stability in the next two years
2025-12-04 09:24:45
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