ContractShield achieves 89% Hamming score and 91% F1-score for five vulnerability types in obfuscated smart contracts via hierarchical cross-modal fusion of semantic, temporal, and structural features with only 1-3% performance drop.
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ContractShield: Bridging Semantic-Structural Gaps via Hierarchical Cross-Modal Fusion for Multi-Label Vulnerability Detection in Obfuscated Smart Contracts
ContractShield achieves 89% Hamming score and 91% F1-score for five vulnerability types in obfuscated smart contracts via hierarchical cross-modal fusion of semantic, temporal, and structural features with only 1-3% performance drop.