How did crypto friends withdraw their profits after making 100 times?

Using online platforms, risk: black and gray money, frozen cards, money lost

Offline OTC, risk: phishing, counterfeit money, inconvenient, money lost

Withdrawals using foreign U cards, risk: platform running away, money lost

UnionPay U card, risk: no risk, safe withdrawals without frozen cards, can be linked to WeChat, Alipay transfers, can be used in offline stores nationwide, the best withdrawal card for Chinese crypto friends!

I choose the fourth option, what about you?