Security in Next Generation Mobile Payment Systems: A Comprehensive Survey Ahmed, Waqas ; Rasool, Aamir ; Javed, Abdul Rehman ; Kumar, Neeraj ; Gadekallu, Thippa Reddy ; Jalil, Zunera ; Kryvinska, Natalia Abstract Publication: IEEE Access Pub Date: 2021 DOI: 10.1109/ACCESS.2021.3105450 Bibcode: 2021IEEEA...9k5932A