Liu started 2021 on the right foot. Just before the lunar New Year holidays, the 30-year-old administrative worker participated in a raffle organized by a mobile application of the government of her city, Suzhou, in southeastern China. He earned 200 yuan (about 26 euros). The novelty? That money does not exist on paper, but only as electronic code. They were digital yuan, the currency with which China aspires to become the first country with an official cryptocurrency in circulation, in a step that could revolutionize the use of money and monetary policies.