I am sure that China is already working on that kind of blockchain
Blockchain technology is priority in China
Chna has already use food tracking blockchain
There is 26 blockchain projects what are already supported China gov
Blockchain can solve a lot of problems add needed transparency and lower costs
Blockchain will be in mass use  in coming years in people daily life together with new technology  boom technology like AI VR AR etc
And still most people in the world will don't know what blockchain really is