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Harmonic

Harmonic is an open, configurable Solana block-building system that lets validators choose their block builder and scheduling strategy.

About this provider

Harmonic connects validators to block builders that construct blocks according to the validator-selected scheduling strategy. Its architecture includes a Remote TPU, builders, a block engine and validator clients.

For searchers, Harmonic provides a gRPC bundle interface with atomic execution, revert protection, private submission and Jito-proto compatibility.

Supported chains

Tools from this provider