# Decentralized Oracle Layer (DOL)

In the architecture of DuckChain, the Oracle DA Network plays a crucial role as a bridge between the TON blockchain and DuckChain, responsible for the seamless transfer of information and data. The key function of the network is to synchronize and publish the state root of DuckChain to the TON blockchain without any modifications to the original Orbit codebase. Duckchain utilizes Arbitrum One as the Oracle DA Network to ensure data security.

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The state root, as the hash value of the global state of DuckChain, captures a complete snapshot of the state at a specific point in time. By publishing the state root on the TON blockchain, all participants in the network can verify and confirm the state of DuckChain, greatly enhancing the system's transparency and credibility.

The Oracle DA Network has the following features:

* Inherited Decentralized: By using Arbitrum One as the Oracle DA Network, which leverages Ethereum's security to ensure decentralization, Duckchain ensures the network's resistance to censorship and single points of failure, providing foundational resilience and autonomy to the entire system.
* State Synchronization: The Oracle DA Network ensures that the state root of DuckChain remains synchronized with the TON blockchain, allowing all participants to verify and confirm the state in real-time.
* Enhanced Security: The Oracle DA Network grants the system high resistance to single points of failure and potential attacks. Even if some nodes are attacked or fail, the stability and reliability of the entire network are not significantly affected.
* High Verifiability: All state roots are permanently recorded on the TON blockchain, allowing anyone to verify them, further enhancing the system's transparency.
* Low Latency Performance: The on-chain publishing mechanism of the state root ensures that the Oracle DA Network can provide fast response services.

By introducing the Oracle DA Network, DuckChain not only enhances the functionality and flexibility of smart contracts but also improves the interoperability between the TON blockchain and DuckChain. At the same time, it significantly enhances the overall system's security and reliability. The presence of the Oracle DA Network provides a strong, reliable, and transparent infrastructure for the TON ecosystem, laying a solid foundation for DuckChain.


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