China's trials of digital renminbi have expanded into six more areas, as the country strives to accelerate the application of the digital currency, according to an official from the People's Bank of China on Monday.

At the same time, the price of Bitcoin has been soaring high in trading markets globally, drawing greater interest from large investors who bet on it becoming a mainstream payment method.

What is the difference between digital renminbi and Bitcoin? Since WeChat and Alipay are used in every corner of China, what's special about digital renminbi.

Find the answer to these questions and more in this video.