China's digital currency comes to its biggest messaging app WeChat, which has over a billion users
Tencent-owned WeChat, China's largest messaging app and one of the country's biggest payment services, will begin supporting the country's sovereign digital currency. China has been working on the digital yuan since 2014 and is yet to roll it out nationwide.
https://www.cnbc.com/2022/01/06/chinas-digital-currency-comes-to-tencents-wechat-in-expansion-push.html