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Episode 308: Avail's Approach to DA with Prabal Banerjee
Zero Knowledge
Why build Avail when Celestia already existed? For better ZK constructions.
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Avail was inspired by Celestia's work, but made different design decisions due to a focus on ZK roll-up constructs and validity proof-driven base layer. Celestia's construction was fraud-proof secured and efficient, but required waiting for a fraud-proof, which didn't align with Avail's goals. Avail chose a KZG polynomial commitment style construction to avoid fraud proofs and be more validity proof-driven, making it distinct from Celestia's hash-based construction.
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