HEARTBEAT · x402
A real-time sentiment engine for live theater. Audience members sign a 0.01 USDC x402 authorization to unlock a 'Reaction Stream'—the app uses their device's mic/camera to log biometric engagement peaks and laughter frequency. Data is sold back to the production company in aggregate, with all participants paid a micro-rebate per data-point settled via Hedera transaction id.
The primitive.
Access to the audience analytics engine is metered with x402: 0.01 HBAR or 0.01 HTS USDC per call, paid from the embedded wallet, so directors — or the agents working for them — pay per query and get a HashScan receipt every time.
Why this primitiveMicropayments flip the data model: instead of the audience being tracked for free, the venue pays a metered rate (0.01 USDC/event) to access the 'Reaction Log' of individual seats, turning every gasp into a micro-settlement.
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Market sizing.
Indicative figures for hackathon pitches — refine with your own research before raising.