According to Aiqi.com's inquiry, Hainan Yingjia Blockchain Technology Co., Ltd. has a business license, which belongs to normal operation, has a specific office location, is in good operating condition, has no risk record, and the actual operation is consistent with the license, so it is formal and not a scam. Hainan Yingjia Blockchain Technology Co., Ltd. was established on May/July, 2002 1 7, and its business scope includes electronic authentication services, software and services related to blockchain technology, and software development.