After years of planning for cars that would let drivers take their hands off the wheel and eyes off the road, China’s regulators have become more cautious.

Abstract: Blockchain has been widely used in various industries for providing trustworthy data. On-chain data can be regarded as trusted after it is finalized by blockchain consensus, namely after the ...

Abstract: The depression is a common mental health disorder that affected all around the world. The symptoms of depression such as sadness, angry, social behavior, sleep disorder and attempting ...