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What blockchain is, how it works and how China will lead the world

  • Last year was a big year for blockchain projects in China after President Xi Jinping called for further development of the technology at the end of 2019
  • The Blockchain Service Network is China’s bid to unify disparate blockchain projects while maintaining control at home, but the US appears unconcerned

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China is racing ahead to develop its own internet for blockchain and new blockchain solutions after a call from President Xi Jinping to invest in the technology. Unlike 5G and artificial intelligence, though, the US has shown little interest. Illustration: SCMP
When the Chinese government effectively banned cryptocurrencies in 2017, the future of blockchain technology in the world’s second-largest economy did not look bright. But an endorsement from President Xi Jinping in late 2019 completely turned things around.
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More than a year later, China has launched its own “internet for blockchain” called the Blockchain Service Network. A number of both private and public organisations have also implemented blockchain in a variety of use cases, including remittances, cross-border settlements, and travel, among many others.

This does not mean cryptocurrencies have gained favour in China. Just weeks after Xi called for more research and investment in blockchain, China initiated another cryptocurrency crackdown. There also continues to be confusion about the role of blockchain in China’s new digital yuan, if any.
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Still, China has wasted no time forging ahead with blockchain, betting that it will be a critical technology in the future. This could put it on the same level as 5G and artificial intelligence, raising concerns in the US as it looks for ways to counter China’s influence in these areas.

But what exactly is blockchain and how is China using it today? Here is a primer on where the country stands with the technology.

What is blockchain?

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