What is the limit for recharging digital currency?

Due to the differences in cryptocurrency types and protocols, the minimum transfer amounts can vary significantly. For example, the minimum deposit amount for USDT on the TRC20 protocol is 1, while on the ERC20 protocol it is 10. Other cryptocurrency types will not be elaborated on here. The minimum recharge amount may change, and the actual minimum amount displayed on the app page should be considered as the standard.