The DA Bridging ChallengeEthereum vs. Celestia:Ethereum’s EIP-4844 allows rollups to verify blob existence directly via smart contracts.Celestia lacks native Ethereum compatibility, requiring DA bridging to prove data availability.Blobstream:Celestia’s DA bridging protocol, implemented via RISC Zero and Succinct, uses a relayer to:Generate ZK proofs confirming Celestia blocks are valid.Build a Merkle tree of block data roots (the data root tuple root).Store this root in an Ethereum smart cont...