Avail, a spin-off of Polygon, has unveiled its data attestation bridge to Ethereum, aiming to address the data availability gap for Ethereum rollups. By enabling rollup constructions to run in validium, optimistic chains, and volition modes, Avail aims to reduce costs and improve the efficiency of layer-2 and layer-3 ecosystems. Avail opted to become an independent company to service all kinds of rollups, not just those from Polygon. The transition saw the departure of Arjun, who previously had an operational role at Polygon. Avail also introduced a staking token called AVAIL to facilitate a permissionless validator set. While there is no connection to the Polkadot ecosystem, Avail may support the development of zk rollups on a Polkadot parachain.

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