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Circus troupe Cirque du Soleil performs the show Amaluna in Montreal, Canada. [Photo/Xinhua]

Clearly, there is still a huge gap between such aspirations and the tough realities facing many African countries today, but China can serve as a good example for many developing economies on the continent.

Clearly these companies are focusing on their core strengths by offering developers ways to build blockchain apps using their existing cloud platforms and services. But the core blockchain infrastructure is still evolving. Ethereum is in the process of switching from a Proof of Work consensus mechanism to a Proof of Work and Proof of Stake hybrid consensus mechanism. This past year, the Bitcoin blockchain went through a hard fork to create Bitcoin Cash, which has an increased block size with the goal of speeding up transactions. These are just two examples of the changing blockchain infrastructure and I believe that there will be new blockchains that can form the basis for enterprise blockchain applications.

Citizens get service kits at anti-smoking clinics, three-month drug treatments and six-month follow-up services, all free of charge.

Chinese teacher Wu Run's students performed a tai chi fan demonstration, showing off the fighting skills of the traditional Chinese martial arts.