Midnight Network's ZK zero knowledge proofs are the key tech making rational privacy possible on this Cardano sidechain. In simple terms, ZK proofs let you prove something is true like "I have enough funds" or I'm eligible without showing the details behind it no full data exposure.Midnight uses zk SNARKs succinct non-interactive arguments of knowledge based on the Kachina protocol, which splits smart contracts: public state on-chain for verifiability, private state off-chain for confidentiality. You generate proofs on your device via a proof server , submit only the tiny proof to the network validators check it quickly, confirm correctness, update the ledger, but your sensitive info stays hidden.They've switched to BLS12-381 curve for better efficiency and security post Pluto Eris upgrade . It supports recursive proofs like Halo2 inspired setups for scalability…think batching transactions or ZK rollups. This enables selective disclosure: reveal just what's needed for compliance (e.g., regulators see proof of KYC without your full ID), while keeping everything else private.

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