country/Messenger/Blockchain Business
Japan > Line > Linkchain
Korea > Kakao > Klaytn(operated by Ground X)
China > WeChat >

?

Wechat has launched its payment service, Wepay. I think Wepay will soon be the largest payment system in China and in Asia. You also know the vastness of China and the crypto community there.
I believe Wepay is also planning to do business in a bigger market.