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Bridge Mechanics

The Privacy Bridge module secures cross-chain asset transfers while preserving confidentiality and atomicity:

  • HTLC Coordination Layer: Runs hashed time-lock contracts across source and destination networks, ensuring atomic settlement.

  • Threshold Signature Aggregation: Validator nodes collectively sign wrapped asset releases via BLS threshold schemes, preventing single-point compromises.

  • zk-SNARK Wrapping Proofs: On-chain proofs verify correct asset wrapping/unwrapping processes without disclosing amounts or origin chains.

  • Event Watchers & Relayers: Off-chain services monitor lock/unlock events and trigger corresponding actions, with fault-tolerance via multiple fallback relayers.

  • Bridged Asset Wrappers: ERC-20–compatible wrapped tokens minted on destination chain, fully interoperable with DeFi protocols.

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