TTMC is a medical blockchain created by the Tsinghua Big Data Research Institute of Tsinghua University in China, which studies data history tracking technology, and the University of Tokyo, which maintains microneedle technology. It uses blockchain technology to accumulate product and transaction history information and about products and the date of service distribution, as well as providing a big data platform that users can utilize the data. Data providers or data users who provide data can use TTMC Coin as a means of transaction to provide information to or receive information from the TTMC platform.