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✓Gold402 Verified Notable Implementations

x402-audio-to-audio

https://github.com/eversmile12/x402-audio-to-audio

Our Verdict

Gold402 Verified. Hand-reviewed and on the curated list — curation is the bar.

Transmits signed USDC payments over sound using a custom OOK audio modem with Goertzel DSP. A creative demonstration of x402's protocol flexibility. 35★

Ecosystem · Ecosystem

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