Question: What mobile payment and digital wallet service is overseen by Eddy Cue?

Context articles: Microsoft Wallet
MobiKwik
Apple Pay
Mobile payment
LUUP
LG Pay
Samsung Pay
Eddy Cue
Fortumo
Digital wallet

Microsoft Wallet is a mobile payment and digital wallet service by Microsoft that lets users make payments and store loyalty cards on certain devices.
 Making payments is currently supported with the Microsoft Lumia 950, Lumia 950 XL, and Lumia 650.
 Microsoft Wallet does not require Microsoft Wallet-specific contactless payment terminals, and can work with existing contactless terminals.
 Similar to Android Pay, Microsoft Wallet utilizes Host card emulation (HCE) for making in-store payments.
MobiKwik is an Indian company founded in 2009 that provides a mobile phone based payment system and digital wallet.
 Customers add money to an online wallet that can be used for payments.
 In 2013 the Reserve Bank of India authorized the company's use of the MobiKwik wallet, and in May 2016 the company began providing small loans to consumers as part of its service.
 The company launched its MobiKwik Lite mobile app in November 2016, designed for users of older 2G mobile networks and for those in areas with poor internet connectivity.
 In November 2016, the company reported having 1.5 million merchants using its service and a user base of 55 million customers.
Apple Pay is a mobile payment and digital wallet service by Apple Inc. that lets users make payments using an iPhone, Apple Watch, iPad or Mac.
 Apple Pay does not require Apple Pay-specific contactless payment terminals, and can work with existing contactless terminals.
Mobile payment (also referred to as mobile money, mobile money transfer, and mobile wallet) generally refer to payment services operated under financial regulation and performed from or via a mobile device.
 Instead of paying with cash, cheque (or check), or credit cards, a consumer can use a mobile phone to pay for a wide range of services and digital or hard goods.
 Although the concept of using non-coin-based currency systems has a long history, it is only recently that the technology to support such systems has become widely available.
Luup is a bank-grade mobile payment solution that allows users to pay, send and receive money via their mobile phone.
 Luup is building an international mobile money transfer network by partnering with banks and financial institutions around the world.
 Luup specialises in payment facilitation, the development of user interface solutions via SMS or mobile payment applications and the hosting of stored value accounts for financial institutions.
 Customers using Luup can pay for goods and services, donate to charities, pay bills or send money to family & friends using their mobile device.
LG Pay is a mobile payment and digital wallet service by LG Electronics that lets users make payments using compatible phones and in the future are other LG-produced devices.
 The service supports contactless payments using near-field communications, but also incorporates wireless magnetic communication that allows contactless payments to be used on payment terminals that only support magnetic stripe and normal contactless cards.
Samsung Pay is a mobile payment and digital wallet service by Samsung Electronics that lets users make payments using compatible phones and other Samsung-produced devices.
 The service supports contactless payments using near-field communications, but also incorporates magnetic secure transmission that allows contactless payments to be used on payment terminals that only support magnetic stripe and normal contactless cards.
Eddy Cue (born Eduardo H. Cue; October 23, 1964) is Apple's senior vice president of Internet Software and Services, reporting to CEO Tim Cook.
 Cue oversees Apple's numerous content stores including the iTunes Store, the iBooks Store, and Apple Music, as well as Apple Pay, Siri (until 2017), Maps, iAd, iCloud services, and Apple’s productivity and creativity apps.
 Cue testified in the antitrust case against Apple for conspiring on eBook pricing.
Fortumo is an international mobile payment provider.
 The company offers mobile payment solutions for web services, mobile applications, app stores and digital content providers.
 Fortumo services allow mobile operator subscribers in over 100 countries to make mobile payments, with a strong focus on emerging markets.
A digital wallet refers to an electronic device that allows an individual to make electronic transactions.
 This can include purchasing items on-line with a computer or using a smartphone to purchase something at a store.
 An individual's bank account can also be linked to the digital wallet.
 They might also have their driver’s license, health card, loyalty card(s) and other ID documents stored on the phone.
 The credentials can be passed to a merchant’s terminal wirelessly via near field communication (NFC).
 Increasingly, digital wallets are being made not just for basic financial transactions but to also authenticate the holder's credentials.
 For example, a digital wallet could verify the age of the buyer to the store while purchasing alcohol.
 The system has already gained popularity in Japan, where digital wallets are known as "wallet mobiles".
 A cryptocurrency wallet is a digital wallet where private keys are stored for cryptocurrencies like bitcoin.