Harmonic

Overview

Harmonic is an open block-building marketplace for Solana that aggregates blocks from multiple independent builders and lets validators select the most valuable block each slot to maximize revenue and improve market fairness.

Agent Information

Regulatory Considerations

Based on our analysis, Harmonic operates in the infrastructure sector with medium regulatory risk. Key considerations for APAC jurisdictions:

• Hong Kong: Generally lower regulatory burden for infrastructure services
• Singapore: May fall under PSA exemptions
• Japan: Depends on specific functionality