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While the blockchain is the innovation that makes LBRY possible, the Data Network is the layer that actually makes the blockchain useful.
At this level:
- [Metadata](/spec#metadata] stored in the blockchain is interpreted and validated.
- Data referenced by metadata is accessed and distributed via a peer-to-peer network.
- Identities are created, signed, and validated.
Data network operations are provided by the lbrysdk. This SDK also provides local wallet functionality and a set of APIs to facilitate building applications.
Additional Resources
- The Specification contains a comprehensive specification of data network operations.
- Resources has further documentation on the LBRY SDK, including its APIs.
- Build teaches you how to create your own app.
- Contribute guides you on how to improve the protocol itself.