Sometimes, yes. In the case of bankings systems combined with payment systems you could end up reliant on both. If the US sanctions you only people using a Chin

Sometimes, yes. In the case of bankings systems combined with payment systems you could end up reliant on both. If the US sanctions you only people using a Chinese OS to make payments through a Chinese payment system will be unaffected and vice-versa. Either will be able to take your economy down.