[Frequent Security Incidents and Plummeting User Activity: Is Anyone Still Using Cross-Chain Bridges?] The daily active users (DAU) of cross-chain bridges have continued to decline to 13,000, driven by a collapse in security trust combined with cooling liquidity. However, true cross-chain interoperability is just beginning: the technology is shifting from end-user interactions (C-end) to backend infrastructure (B-end). Chain abstraction and CEXs are diverting users, and the airdrop frenzy has subsided. Cross-chain bridges are retreating behind the scenes, while institutional-level trading is quietly surging.