Singapore's adoption rate of cashless payments is one of the highest in Asia. But there are pockets of the population who still struggle to adapt. And there's the ever present threat of scams and payment service breakdowns. What can the government, merchants and the public do? Steven Chia has a chat with Faye Sai, a third-generation hawker, Lawrence Chan, group CEO of NETS and Lim May-Ann, director of the Fair Tech Institute at Access Partnership.   See omnystudio.com/listener for privacy information.