The word “Wallet” and “Mobile Wallets” are interchangeable for many, after all, the wallet we had up to now is also mobile. It has been a hot topic for a bit more than 5 years now, and the industry also transit from startup dominant to large players land grabbing, in 2017, as a year in which the big players has been defined and the ecosystem starts to flourish, it is particular interesting to have a look at the fundamentals of user adoption, what major players are working and what opportunities and threats there are. What are the fundamentals of user adoption: - Cost: No Need to type in Data (e.g. Amazon Payment etc) and quickly switch among all the cards to find the one they would like to use, now that more people owes a smartphone than ever, using it to make payment because nature; it is more difficult to lose than cash and card; the concept of cost and convenience in here can be interchanged; - Trust (e.g. PayPal; Alipay): solutio...