阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

The first known examples of paper money 【小题1】 (create) in China over a thousand years ago. Now, China is the first major economy 【小题2】 (produce) and distribute a digital currency.

The digital yuan is a form of central bank digital currency, 【小题3】 is issued by the People’s Bank of China. It is a digitized version of the physical yuan. It works the same as banknotes and coins, but differs 【小题4】 form. This means that the digital yuan may 【小题5】 (eventual) replace physical cash as a means of payment.

China’s digital currency 【小题6】 (go) into an early trial phase in 2020 and extended during the next two years, 【小题7】 (expect) to be adopted in 2023 or 2024. Users can store their digital yuan in digital wallets and use a QR code to make 【小题8】 (purchase) with the digital currency.

The end goal of China’s digital currency is to create 【小题9】 cashless system that can create consumer, commercial, and government efficiencies.

China isn’t alone in its ambition to digitize money. Nearly 80 countries around the world are researching or testing a digital currency of 【小题10】 (they) own.