The move to a cashless society is making steady progress across most of the world. In the UK, for example, more than 50% of transactions were completed cashlessly last year (https://rob.al/2yzozhH), while in China, UnionPay's rapid push in to new markets (as diverse as Malaysia, DRC, and Kazakhstan https://rob.al/2Kd4sdL) demonstrates the sheer scale of the opportunity, with the pace of change hardly altered by the introduction of a new competitor (NetsUnion https://rob.al/2IhFMvN). But there's rightly growing concern about those being left behind (https://rob.al/2KcwHti) and the solutions for that problem are yet to be discovered.
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UK spending on debit cards overtook hard currency for the first time in 2017