The People's Bank of China will come out the fifth edition（版本）of the renminbi（RMB） from August 30， 2019． These banknotes（纸币）will have brighter colors and new security features（防伪特征）．

We've been using banknotes for around 1，000 years． Back in the Northern Song Dynasty，Chinese people made the worlds earliest paper money to replace（代替） metal coins． These banknotes were called jiaozi．

Paper money is cheaper to make and easier to carry． These advantages made it more popular than other forms of money． But now， in the digital （数码的）age， paper money seems to be disappearing for the same reason．

China seems to be heading towards becoming a cashless（不用现金的） society． From supermarkets to street stores， people pay by using the We Chat Wallet and Alipay apps on their mobile phones． Sweden is even closer to a future without paper money． Many Swedish banks no longer even have cash on hand．

But there are worries about creating cashless societies． Some say it is unfair to the poor and people without much education． It's not easy for them to open bank accounts（ 账户）or deal with mobile phones． And if all of your money is"digital， it may not be safe enough．

Is paper money going away？ Although paper money is used less than electronic payment （电子支付） in some countries，it won' t disappear at once in most parts of the world．

（1）When will the fifth edition of RMB come out？ 　　

（2）Which country made the world 's earliest paper money to replace metal coins？ 　　

（3）Why is paper money more popular than other forms of money？ 　　

（4）Do many Swedish banks have any cash on hand？ 　　

（5）what does the writer want to tell us？