This was stateside? I imagine with the address only and no store name means that you ran these as debit purchases? I tried a ~$50 debit purchase as well and immediately got a call from 877-779-5588. This is their Canadian customer service number. I called the number on the back of the card, and the customer service rep simply said they wanted to make sure that I was the one making the transactions.

I think the low barrier to getting contacted would exclude using this card in more creative ways. Others have reported the fraud departments at Chinese banks are highly sensitive. It doesn't help that we're having to run fallback transactions anywhere that's switched on EMV in the US.

I personally am sticking with my plan of using this card exclusively in China, HK, and Macau as a viable alternative when Visa produces unavoidable DCC and AmEx has acceptance issues.