In a multi-chain financial ecosystem, data accuracy and synchronization determine the stability and trust foundation of the entire system. Any cross-chain operation, if the underlying data is delayed, biased, or maliciously tampered with, can lead to incorrect asset liquidations, cross-chain bridge lag, and even systemic risk. OpenLedger has established a highly representative cross-chain oracle and data verification system in this area, which is one of the keys to its continued leadership in the multi-chain infrastructure competition. As of Q3 2025, OpenLedger's data verification system processed an average of approximately 270 million on-chain data requests daily, covering over 14 major public chains. These requests included cross-chain asset prices, contract status, on-chain transaction confirmations, and node health monitoring. The system's overall data synchronization latency is less than 1.6 seconds, maintaining 99.98% data integrity even during periods of high concurrency (such as new chain launches or periods of significant market volatility). OpenLedger's oracle architecture consists of three main layers: Raw Data Collection Layer: This layer directly captures on-chain block data and transaction status through the node network and performs basic signature verification. Currently, there are approximately 1,200 active validating nodes, of which 62% are decentralized community nodes. Aggregation and Consensus Layer: Data from multiple source nodes is verified for consistency using an aggregation algorithm (Data Consensus Layer (DCL)). Each set of data must be signed by at least seven validating nodes before it can be written to the main channel. Write-Back and Audit Layer: Verified data is written to the state tree of different chains through cross-chain consensus. All data versions are auditable and traceable in block explorers. I believe that OpenLedger's uniqueness lies not only in its data collection speed, but also in its structured verification logic. While other oracle systems typically primarily transmit price or status data, OpenLedger also incorporates real-time verification of on-chain events and cross-chain bridge status. This means that if a bridge experiences delays or anomalies, the system can proactively detect and freeze the relevant transaction channel, preventing the spread of losses. According to a July 2025 technical report, OpenLedger's data verification system detected and prevented 14 potential attacks, including price manipulation, delayed writes, and fake signature data attacks. Two high-risk incidents (numbers #20250714 and #20250728) involved abnormal cross-chain bridge transactions totaling approximately $9.7 million. These were intercepted in real time at the verification layer, resulting in no asset loss. In addition to data verification, OpenLedger has also introduced a Dynamic Reputation Scoring (DRS) system. Each participating node is scored based on data submission accuracy, response speed, and historical stability. A higher score earns the node more rewards and increases its participation weight. Consistent submission of erroneous data results in a temporary demotion or removal. Currently, the average node reputation score is 92.4/100, with an erroneous submission rate of less than 0.02%. These mechanisms ensure that OpenLedger's cross-chain data verification system is not only technically reliable but also provides a closed-loop economic incentive system. The more nodes there are and the wider their distribution, the more secure the system. Furthermore, incentive mechanisms ensure that nodes maintain high-quality data streams without performance degradation due to centralization or cold start effects. At the ecosystem level, this oracle system has been integrated with over 150 DApps, DEXs, and NFT platforms, encompassing key scenarios such as cross-chain transactions, clearing systems, and derivatives pricing. For example, in DeFi scenarios, the real-time price data provided by OpenLedger has an average latency of only 1.4 seconds, approximately 28% faster than Chainlink's multi-chain synchronization, and maintains price deviations below 0.15% during extremely volatile market conditions. I personally believe that these data demonstrate that OpenLedger has evolved from a simple cross-chain tool to a "data trust layer." In decentralized systems, trust is not an abstract concept; it is built through data synchronization, verification mechanisms, node incentives, and transparent audits. OpenLedger's oracle system is a concrete embodiment of this trust. In summary, OpenLedger's cross-chain oracle and data verification system has the following features: High performance: Processes 270 million data items daily with latency under 1.6 seconds; Strong consistency: Multi-node signature aggregation + consensus verification; Traceability: Full-chain write-back and block-level auditing; Security and reliability: 14 attacks intercepted with zero asset loss; Economic incentives: A reputation scoring system maintains node quality; Broad ecosystem: Integrates with over 150 DApps, achieving cross-chain data trust. This system enables OpenLedger to not only operate stably within a multi-chain ecosystem but also serve as the underlying data support for other protocols. In the future, with the standardization of inter-chain communication and the widespread adoption of zero-knowledge verification mechanisms, OpenLedger's data system is likely to evolve into a fundamental component of the entire Web3 data layer. @Openledger #OpenLedger $OPEN