Filecoin Core Infrastructure & Integration Support sustains critical open-source rails that connect the Filecoin network to external ecosystems, including the hardware-wallet custody stack, Rosetta-based exchange integration tooling, and the public RPC, node, and genesis-to-date archival infrastructure they depend on. The project focuses on keeping these services production-grade through protocol and upstream dependency changes, ensuring reliable transaction flow, historical chain data access, and upgrade continuity for exchanges, builders, storage providers, and end users across the broader Filecoin ecosystem.