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Prerequisites

StreamingFast Substreams prerequisites
Technologies Used
Substreams can be used by blockchain, subgraph, Rust, JavaScript, Python, and other types of developers.
Substreams uses a myriad of technologies including:
Note: PostgreSQL, MongoDB and other backend knowledge may also be required when working with different sink types for Substreams.
In addition, developers are required to obtain a StreamingFast authentication token. The StreamingFast endpoint servers require authentication when connecting to them to process Substreams requests.