Why is most of Binance's C2C trading done by joining a small wallet, completing the transaction, and then exiting the small wallet, without either party leaving contact information? In contrast, in C2C trading on other mainstream exchanges like Huobi, merchants usually take the initiative to leave messages to add ZFB or VX friends, and for subsequent transactions, they will directly transfer using the previous friend’s account, greatly reducing the risk control probability. Which platform is everyone using to recharge U?