"Blockchain" technology has blessed the Changsha Wangcheng "Unlicensed City" online platform to try to operate.

On December 1, Changsha Wangqing City's "License-Free City" platform was put online. Wangcheng District Leifeng Government Department Store 9 departments have 127 government products, 10 kinds of certificates are "face scan" or "code scan" (certificate), citizens' tests should not contain physical data, they can scan their face to clear the job. . Wangcheng District "Unlicensed City" is the state's first "Unlicensed City" project with the federal emergency response system. It is the first state to introduce a “blockchain” for unlicensed urban electricity certifications. The technology-based 'tech' program is also the state's first 'blockchain' technology to be used for certain government and public services (Sina Finance).