Avail, Spun Out of Polygon, Launches Data Attestation Bridge to Ethereum Blockchain

“When an L3 or a validium sends the transaction data to Avail, the data attestation bridge provides the attestation on Ethereum,” Anurag Arjun, the founder of Avail, told CoinDesk. This then proves to Ethereum that “whatever data was submitted by the rollup to Avail is actually available.”