Build Cross-Chain Identity and Reputation System

[LaGodxy]

Description: Implement a decentralized identity and reputation system that works across multiple chains, enabling trusted property transactions and user verification.

Acceptance Criteria:

• Design cross-chain identity verification protocol
• Implement reputation scoring system based on transaction history
• Add decentralized identity (DID) integration
• Create trust and verification mechanisms for counterparties
• Implement identity recovery and social recovery features
• Add reputation-based access controls and privileges
• Include privacy-preserving identity verification
• Provide identity management dashboard and controls

Files to modify:

• Create new contracts/identity/ module
• contracts/lib/src/lib.rs - Integrate identity verification
• Add identity-specific tests and cryptographic verification