Overview
1.1 Product Introduction
The POS Terminal is an intelligent collection device based on blockchain technology, specifically designed for the PAYDAO stablecoin payment protocol. This terminal is utilized for offline merchant collections, supporting real-time receipt and settlement of stablecoins. The user experience is as seamless as traditional bank card payments; users can complete payments with a simple tap of the card.
Core Functions
- NFC card-tap payment
- Blockchain transaction processing
- Real-time receipt confirmation
- Initiation of fund withdrawals
- Collection account management
1.2 Device Specifications
| Key Spec | Parameters |
|---|---|
| Operation System | Android 13 |
| Processor | Quad-core ARM-Cortex-A53 & Secure Processor |
| Display | 5-inch 720*1280 |
| Capacitive Touchscreen | |
| Printer | High-speed Thermal Printer |
| Contactless Card Reader | ISO/IEC 14443 Type A/B |
| Communications | 4G/3G/2G |
| Wi-Fi: 2.4G/5G | |
| Bluetooth 5.0 | |
| Peripheral Ports | 1*Type-C |
| Power | Input: 100-240V AC, 50Hz/60Hz |
| Output: DC 5V/2A | |
| Battery | Li-ion Battery, 7.2V/2550mAh |
*For detailed specifications, please refer to the POS Terminal device Product Manual.
1.3 Glossary
PAYDAO POS Terminal: Used by merchants and placed at business locations to process user stablecoin payments.
PAYDAO Payment Card: Used by users to make stablecoin payments via tap-to-pay on the PAYDAO POS Terminal.
Authorization Card: A dedicated authorization card for the PAYDAO POS Terminal. Each device corresponds to one authorization card; without it, the device remains non-functional.
Merchant Withdrawal Address: An external wallet address used by merchants for withdrawing funds. Once configured, this address cannot be modified.
Installer Reward Address: An external wallet address used by Installers to receive incentive tokens. Once configured, this address cannot be modified.
Solana Network: Includes Solana Mainnet and Devnet. Payments are executed on the Mainnet, while the Devnet is available for testing purposes.