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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Trading Pair	1h	24h	7d	1m	3m	1y
X4PAY/USD	0.10%	1.24%	8.62%	2.74%	−33.48%	−99.11%
X4PAY/BTC	0.10%	1.63%	8.22%	4.03%	−42.07%	−98.74%
X4PAY/ETH	−0.20%	0.95%	8.11%	13.18%	−36.45%	−98.92%
X4PAY/x402 Ecosystem	−0.35%	1.53%	1.63%	−11.88%	−29.48%	−98.47%

x4Pay
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