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"Due to the decentralization of the blockchain, its applications are gradually broadening. Systems exposed in the public chains cannot be shut down, and bugs are extremely difficult to fix," Yu said. "As blockchain is evolving into a technical infrastructure service, serious security problems would occur once something goes wrong with it."

"Father Jacquinot is not very known to the public in France, either. I learned of his deed today. It's very touching and I think he deserves more recognition."

"Digitalization is changing commerce in a number of ways. We are seeing some businesses disappear or evolve over time, but at the same time the creation of new brands and types of operational modes are eliminating some traditional roles," said Sun Fuquan, a researcher at the Beijing-based Chinese Academy of Science and Technology for Development.

"Democrats are using their new control of congressional committees to investigate every aspect of President Trump's personal finances, businesses, and even his family," Trump's lawyers said.

"Emphasis on chronic diseases and public awareness is not enough. Popularization of physical examinations and the maturity of screening technologies are necessary for prevention and control of chronic diseases," Chen said.