With the help of blockchain technologies, the platform can collect, fix, and save the evidence with technological support from digital signatures, time stamps and hash algorithms, to ensure the legitimacy and effectiveness of the legal proof and its relevance to a lawsuit.

Pan Hao, director of the Xuhui district notary public office, explained that when evidence, such as a picture or a video clip, is taken through the platform – which is in the form of a smartphone app -- the exact longitude and latitude of the location where it is taken is recorded, and a unique hash index is created by the system for this specific evidence to ensure its authenticity and uniqueness.

com, a global bitcoin exchange platform, Chinese mining pools have dominated 70 percent of the bitcoin's collective hash rate－the speed at which a computer finishes an operation in the bitcoin code.

In other words, the higher hash rate means a higher chance to mine bitcoin.