Cross-chain bridges facilitate the transfer of digital assets between blockchains using wrapped tokens, which represent assets from another blockchain, addressing the interoperability limitations of blockchains. However, these bridges face significant security challenges, such as potential exploits that can lead to the unauthorized withdrawal of collateral or the minting of unbacked tokens, posing risks not only to individual users but also to the broader DeFi ecosystem. Chainlink Proof of Reserve (PoR) enhances the transparency and security of these wrapped tokens by verifying the collateral backing them through a decentralized network of oracles, allowing for automated responses to potential threats. By offering real-time reserve data, Chainlink PoR enables developers to implement fail-safes and users to make informed decisions, thereby mitigating the impact of bridge exploits and fostering a resilient DeFi environment.