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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."

"Despite the ongoing pandemic, we are confident that Singapore will be able to continue maintaining public health and safety while supporting the WEF's mission to effect positive change through collaboration and engagement," Singapore trade minister Chan Chun Sing said in a statement.

"Depending on the timing of the Gigafactory Shanghai ramp, we continue to target production of over 500,000 vehicles globally in the 12-month period ending June 30, 2020," Tesla said.

"Every time I have talked to him, and everything he said here today has made a lot of sense, and I believe him," Bowen said.

"Does the US government genuinely believe that China would possibly yield to such unreasonable policy?" Chinese Ambassador Cui Tiankai wrote in an op-ed published in USA Today, referring to the trade war initiated by the US.