Ripple China is the Ripple Gateway that was established in 2013 in China. The current status of this service is uncertain. The company’s website is still live.
BITKER was established in Singapore as a centralized cryptocurrency exchange. Following to their outage announcement in September 2019, the exchange platform had suspended its activity. The reason behind this was a cyber attack.
Bitbank is one of the leading cryptocurrency exchanges targeting the residents of Japan. The exchange tab of the website is not available in languages other than Japanese and those who want to register on Bitbank from overseas have to pay $100 commission. Nevertheless, for those in Japan, this platform is quite convenient as it collects no deposit and trading fees (it’s relevant only for Makers) and has some other nice features.