# Integration and Middleware Layer

**Focus:** Interfacing between different systems, applications, data sources and blockchains.

**Objective:** Enable seamless integration. To provide tools, services, and platforms that help different systems, applications, or blockchains integrate seamlessly. 

**Description:** Provides middleware capabilities and services that allow different blockchain networks, legacy systems, databases, and APIs to interconnect. Encapsulates complexity behind standard interfaces. Components within this layer help in translating, routing, and processing data between different systems, making crosschain operations possible and efficient. This includes elements like protocol bridges, API gateways, and oracles that fetch off-chain data.

**Layer owner:** Middleware solutions providers, DLT integration specialists, blockchain integration platform developers, consortiums that set integration standards, and organizations that develop and maintain bridging solutions.

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