I think this is a good illustration of the different approach in how China and America approach the consumer economics space. In America, there is a very heavy reliance on "trickle down". We create a "best-in-class", "top-of-the-line" product that only the elite and wealthy can buy into. These people then set the tone of how it will develop in the future. The first mover also tries to do everything in their power to…
Android was released a couple years after the iphone and it has defined the low end market. From the USA. A big reason why QR codes caught on in China is because everything else was really bad. In america, credit cards were 'good enough' compared to what was in china, so QR codes didn't catch on that quickly. Also because it's a wealthier nation, the typical merchant could afford the hardware required for processing…
Having lived in China during the time these online payments were launching, I have a different view. China launched a new online banking innovation law a few years ago. I can't find any sources, but I remember the banks complaining that this would give online payment providers an unfair advantage or something like that. The main players today Alibaba (Alipay) and Tencent (WeChat) were attacked by the banks in a big public debate. Today, they're the leaders.
I think it's rather a classic case of disruption. The incumbent banks are afraid of destroying their high credit and debit card fees, so don't invest in alternative products for payment transactions. Meanwhile, political interests don't make it a priority to innovate in the banking arena. Whereas the Chinese government basically said to the banks screw your concerns, we think this is a good idea and want to do this. Hence, when you have payment innovation in the US, it's limited in scope (PayPal and Google Wallet on the Internet only) or has to build on top of existing payment transaction infrastructure (Square and Stripe edit: and Apple Pay).
I bet if not for lack of political will against the banks and other incumbent interests, the US could make a similar banking innovation law and Facebook, startups, and the like would get in on it really fast. There's nothing inherent about QR codes that make them less preferable than tapping credit cards. In fact, I prefer QR codes.