A sign of China's digital yuan, or e-CNY, is seen at a counter during a trial of the Digital Currency Electronic Payment (DCEP) at a shopping mall in Beijing, China February 10, 2021. REUTERS/Florence Lo

A sign of China's digital yuan, or e-CNY, is seen above Wechat Pay and Alipay signs at a counter during a trial of the Digital Currency Electronic Payment (DCEP) at a shopping mall in Beijing, China February 10, 2021. REUTERS/Florence Lo

Peter Ben Embarek, and other members of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), leave the Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Peter Ben Embarek, and other members of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), leave the Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Peter Ben Embarek, a member of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), leaves the Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Peter Ben Embarek, a member of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), leaves the Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Members of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19) are seen on the screen of a thermal detector at Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

A member of the World Health Organisation (WHO) team, tasked with investigating the origins of the coronavirus disease (COVID-19), stands inside Jiang Xin Yuan Community Party People’s Service Centre in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Security guards stand outside Jiang Xin Yuan Community Party People's Service Centre in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Peter Ben Embarek, a member of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), arrives at Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Peter Ben Embarek, a member of the World Health Organisation (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), arrives at Jiang Xin Yuan Community Party People's Service Centre, in Wuhan, Hubei province, China February 4, 2021. REUTERS/Aly Song

Pourcentage du produit intérieur brut (PIB) de la Chine en yuans.

A vendor holds Chinese yuan notes as a customer pays for lamb at a wet market almost a year after the global outbreak of the coronavirus disease (COVID-19) in Wuhan, Hubei province, China December 7, 2020. Picture taken December 7, 2020. REUTERS/Aly Song

A China yuan note is seen in this illustration photo May 31, 2017. REUTERS/Thomas White/Illustration

A man wearing a mask walks past the headquarters of the People's Bank of China, the central bank, in Beijing, China, as the country is hit by an outbreak of the new coronavirus, February 3, 2020. REUTERS/Jason Lee

Keon Chia, Tan Boon-wah, Hooi Yuan-teng and Edward Chen of "Your Name Engraved Herein" pose with the Best Original Film Song award at the 57th Golden Horse Awards in Taipei, Taiwan November 21, 2020. REUTERS/Ann Wang

Premier Su Tseng-chang of Taiwan's Executive Yuan studies bullets while attending a news conference unveiling the largest smuggling bullet case in the history of Taiwan in Taipei, Taiwan, November 9, 2020. REUTERS/Ann Wang

Premier Su Tseng-chang of Taiwan's Executive Yuan studies bullets while attending a news conference unveiling the largest smuggling bullet case in the history of Taiwan in Taipei, Taiwan, November 9, 2020. REUTERS/Ann Wang

China's official app for digital yuan is seen on a mobile phone next to 100-yuan banknotes in this illustration picture taken October 16, 2020. REUTERS/Florence Lo/Illustration

China's official app for digital yuan is seen on a mobile phone next to 100-yuan banknotes in this illustration picture taken October 16, 2020. REUTERS/Florence Lo/Illustration

China's official app for digital yuan is seen on a mobile phone placed in front of an image of the Chinese flag, in this illustration picture taken October 16, 2020. REUTERS/Florence Lo/Illustration

China's official app for digital yuan is seen in this illustration picture taken October 16, 2020. REUTERS/Florence Lo/Illustration

Luo Yan, an ethnic Yi woman, holds her son Ma Cong while posing for pictures near a portrait of Chinese President Xi Jinping at her new home at a residential relocation site as part of the China's poverty alleviation effort in Xujiashan village, Haitang township, during a government-organised media tour in Liangshan Yi Autonomous Prefecture, Sichuan province, China September 10, 2020. Picture taken September 10, 2020. REUTERS/Tingshu Wang

A staff member points to the Chinese classical painting "Five Drunken Princes Returning on Horseback" by Yuan dynasty artist Ren Renfa, estimated between $10,340,000 and $15 million, displayed during a Sotheby's preview in Hong Kong, China September 23, 2020. REUTERS/Tyrone Siu

A security guard stands next to the Chinese classical painting "Five Drunken Princes Returning on Horseback" by Yuan dynasty artist Ren Renfa, estimated between $10,340,000 and $15 million, displayed during a Sotheby's preview in Hong Kong, China September 23, 2020. REUTERS/Tyrone Siu

A security guard stands next to the Chinese classical painting "Five Drunken Princes Returning on Horseback" by Yuan dynasty artist Ren Renfa, estimated between $10,340,000 and $15 million, displayed during a Sotheby's preview in Hong Kong, China September 23, 2020. REUTERS/Tyrone Siu

A security guard stands next to the Chinese classical painting "Five Drunken Princes Returning on Horseback" by Yuan dynasty artist Ren Renfa, estimated between $10,340,000 and $15 million, displayed during a Sotheby's preview in Hong Kong, China September 23, 2020. REUTERS/Tyrone Siu

Czech Senate President Milos Vystrcil delivers a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech Senate President Milos Vystrcil walks next to President of the Legislative Yuan, You Si-kun, as he arrives to deliver a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Staff disinfects the Legislative Yuan after a visit by the Czech Senate representatives in Taipei, Taiwan, September 1, 2020. REUTERS/Ann Wang

Legislators protest against letting American meat into Taiwan ahead of Czech Senate President Milos Vystrcil speech at the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

A staff member collects Czech and Taiwan flags outside of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil receives a present before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil answers questions from the media after delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil answers questions from the media after delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech Senate President Milos Vystrcil answers questions from the media after delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil delivers a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil receives a certificate for an award before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil receives a medal before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil greets the President of the Legislative Yuan, You Si-kun, before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil delivers a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil looks on after he delivered a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil delivers a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil delivers a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil poses for a group photo before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil poses for a group photo before delivering a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Czech senate president Milos Vystrcil arrives to deliver a speech at the main chamber of the Legislative Yuan in Taipei, Taiwan September 1, 2020. REUTERS/Ann Wang

Lawmakers from Taiwan's ruling Democratic Progressive Party (DPP) scuffle with lawmakers from the main opposition Kuomintang (KMT) party, who have been occupying the Legislature Yuan, in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

Lawmakers from Taiwan's ruling Democratic Progressive Party (DPP) scuffle with lawmakers from the main opposition Kuomintang (KMT) party, who have been occupying the Legislature Yuan, in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

Lawmakers from Taiwan's ruling Democratic Progressive Party (DPP) scuffle with lawmakers from the main opposition Kuomintang (KMT) party, who have been occupying the Legislature Yuan, in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

A Taiwan flag is seen while people protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

Police officers stand guard as people protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

A policeman receives medical help while people protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protesting against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, march outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protesting against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, march outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protest against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, outside the parliament building in Taipei, Taiwan, July 17, 2020. REUTERS/Ann Wang

People protesting against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, march outside the parliament building in Taipei, Taiwan, July 14, 2020. REUTERS/Ann Wang

People protesting against the nomination of Chen Chu to head the Control Yuan, an independent government watchdog, scuffle with the police forces outside of the parliament building in Taipei, Taiwan, July 14, 2020. REUTERS/Ann Wang