The blockchain industry is experiencing significant growth, partly due to the expansion of decentralized finance (DeFi) markets and the innovative use of real-world data and off-chain computation through Chainlink decentralized services. This growth has been further propelled by the launch of multiple chains and layer-2 networks, which have enabled developers to create advanced smart contract applications. However, the adoption of new blockchains has led to liquidity being trapped across different platforms, prompting the creation of wrapped tokens such as WBTC, which are pegged to the value of another asset to unlock cross-chain liquidity. Despite their benefits, wrapped tokens often face issues of centralization and lack of transparency, which Chainlink Proof of Reserve (PoR) addresses by providing automated, real-time audits to secure and validate the collateralization of these tokens. Chainlink PoR supports transparency and security across any network by using oracle nodes and can act as a circuit breaker to prevent the minting of unbacked tokens. Its flexible architecture allows for the auditing of both real-world and on-chain reserves, thereby playing a crucial role in enhancing the transparency and stability of the DeFi ecosystem.