Each currency requires a specific min and max amount that users can subscribe to. Please refer to the following information:
(min - max)
1. BTC:
(0.019 - 1.8)
2. ETH:
(0.3 - 29)
3. USDT:
(500 - 1,500,000)
If you have further inquiries, please don't hesitate to contact our Support Team via "Contact Us" function.