Chainlink 2.0 introduces innovative features centered around Decentralized Oracle Networks (DON), with a significant focus on secure off-chain computation. A novel aspect is the "Explicit Staking" mechanism, which enhances the tamper-resistance of the network by requiring Chainlink nodes to stake LINK tokens as collateral, subject to reductions in cases of attacks or misconduct. This mechanism is designed to resist high-budget attacks and ensure the integrity of oracle reports, crucial for high-value smart contract applications. The system operates on a dual-layer oracle network to maintain efficiency and security, with the first layer focusing on cost-effective updates and the second providing arbitration in case of disputes. The second layer involves numerous independent nodes that use DECO-generated cryptographic proofs to resolve report discrepancies, ensuring the reliability of oracle outputs. Additionally, a watchdog reporting system incentivizes nodes to alert potential issues, further safeguarding the network's integrity. The Chainlink network's innovative staking model aims to bolster cryptoeconomic security, enabling the expansion of hybrid smart contract applications while maintaining high contract value security.