x4 Pay
x4
x402BlockchainCryptoTap to payPayments for machines
x402 is a payment protocol for HTTPS payments. This project enables x402 over Bluetooth (BLE) with tap to pay. The Arduino libraries let you accept USDC payments from mobile and web apps using Bluetooth (BLE). All code is open source.
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Oct 25, 2025
created
Jul 09, 2026
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| Code | Inviter | Status |
|---|---|---|
| Stw6mrDzfn | @abhinavbuilds | — |