Core Viewpoint - The increasing prevalence of mobile payments is leading to predictions that cash payments will gradually fade away, yet cash still holds irreplaceable value in specific scenarios [1][3]. Group 1: Reasons for Keeping Cash - Keeping cash can help respond to emergencies, such as medical situations where electronic payment systems may be down [5]. - Cash payments protect personal privacy, as mobile payment platforms can track spending habits and personal information [7]. - Certain social situations still require cash, such as giving cash gifts at weddings or during holidays, and many rural vendors only accept cash [10]. - Having cash on hand can help control spending, allowing individuals to manage their finances better and avoid overspending through digital payment methods [12]. Group 2: Recommendations for Cash Savings - It is suggested that families should keep between 40,000 to 60,000 yuan in cash, which provides a balance between accessibility in emergencies and not tying up too much capital [12].