Ethereum co-founder Vitalik Buterin framed the network’s next scaling step as both audacious and tightly risk-controlled, saying “Fusaka will fix this” while underscoring that “safety first is of the utmost importance.” In a detailed post, Buterin described Fusaka’s core feature—PeerDAS—as “trying to do something pretty unprecedented: have a live blockchain that does not require any single node to download the full data.”

He added that PeerDAS relies on probabilistic sampling of data “chunks,” and, if more than half of those chunks are available, nodes can retrieve them and reconstruct the remainder via erasure coding. “This is all new technology, and the core devs are wise to be super cautious on testing,” Buterin wrote, noting that blob supply will ramp “conservatively at first,” then m

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