how are digital currencies created- Top Knowledge graph

The official responded to the fire in Alibaba's cloud computing data center. On December 9, some netizens released a video saying that there was a fire in Alibaba's cloud database in Yuancheng District, Heyuan, Guangdong Province, and a raging fire was lit at the scene, and smoke was rolling. The video publisher said that the fire broke out on the afternoon of the 9th, and hundreds of people escaped. The reporter called the customer service staff in Alibaba Cloud, and the customer service said that the relevant failure notice and fire situation had not been received at present. Subsequently, the reporter from the urban scene called the Propaganda Department of Yuancheng District Committee of Heyuan City, Guangdong Province. The staff of the Propaganda Department confirmed this to the reporter. The staff told the reporter that the fire broke out in the jurisdiction of Yuannan Town. Yesterday (9 th) at around 3 pm, the fire was extinguished. There were no casualties at the scene. (urban scene)Optoelectronic Co., Ltd.: The core material GP of optical communication of Xinhuaguang Company has made a breakthrough. According to the news of Optoelectronic Co., Ltd., recently, the core material GP of optical communication independently developed by Xinhuaguang Company of Optoelectronic Co., Ltd. has broken through the mass production process, and has been sent to many enterprises in the optical communication field for testing and use, and its performance meets the requirements of customers. The product has special function effect, which can realize unidirectional conduction of light, improve the efficiency and reliability of signal transmission, and plays a very important role in the field of optical communication. With the rapid development of artificial intelligence, products will also help improve the computing power of artificial intelligence.The change in the concept of quantum communication has boosted Starlight's second board, Starlight's second board, Demei Chemical, Fudan Fuhua and Hongda New Materials' daily limit, and Guo Dun Quantum, Keda Dachuang, Hexin Instrument and Geer Software have followed suit.

Commercial aerospace concept stocks continued to rise, with Xinyan shares and Shanghai Hanxun rising by nearly 9%, and China Satellite, Gaohua Technology and Narui Radar rising by more than 6%.Shakti Kanta Das, Governor of the Bank of India: Restoring the balance between inflation and growth is the most important task; Digital currency, the central bank, has great potential and is the future of money.Donghai securities: The refrigerant industry is expected to maintain a high degree of prosperity. According to the donghai securities Research Report, in 2025, the second-generation refrigerant quota will be reduced, and the total production quota of the third-generation refrigerant will remain at the baseline value. With the increase in demand for new household air conditioners and maintenance and replacement, the supply and demand relationship of the third-generation refrigerants will tighten, and the downstream air conditioners will be rapidly upgraded in December. The refrigerant industry is expected to maintain a high degree of prosperity, and the profitability of related refrigerant manufacturers is expected to be greatly improved. It is suggested to pay attention to the leading refrigerant industry and fluorine chemical production enterprises with relatively perfect industrial chain, such as Juhua, Sanmei and stone resources related to fluorine chemical raw materials.

Water conservancy science and technology work conference held: accelerate the construction of advanced and practical water conservancy science and technology support system, and the Ministry of Water Resources recently held a water conservancy science and technology work conference. Li Guoying, Minister of Water Resources, demanded that the system of water conservancy technical standards should be improved, and the coordination mechanism between water conservancy standard development and scientific and technological innovation should be improved. It is necessary to improve the support system of water conservancy scientific and technological innovation forces, optimize the positioning and layout of various water conservancy scientific and technological innovation forces, and form a joint force of system research and development. It is necessary to improve the transformation system of water conservancy scientific and technological achievements, accelerate the accurate docking and integrated development of innovation chain, industrial chain and application chain, and transform more innovative achievements into new quality productivity. It is necessary to improve the policy guarantee system of water conservancy science and technology innovation, implement new research models such as "revealing the list" and "horse racing system", and accelerate the establishment of an evaluation system and assessment mechanism oriented to innovation ability, quality, effectiveness and contribution.In the afternoon, Shandong Mining Machine staged the floor board market, and Shandong Mining Machine staged the floor board market in the afternoon, with a turnover exceeding 3.6 billion yuan.Bean God Education and other technology companies established in Shenzhen include a number of AI businesses. Tianyancha App shows that Shenzhen Bean God Bilingual Times Technology Co., Ltd. was recently established, with Hu Xiaokang as the legal representative and a registered capital of 1 million RMB. Its business scope includes cloud computing equipment technical services, artificial intelligence application software development, artificial intelligence basic resources and technology platform, artificial intelligence basic software development, artificial intelligence general application system and artificial intelligence hardware sales. According to shareholders' information, the company is owned by Doushen Times Technology Development (Beijing) Co., Ltd. and Shenzhen Heyun Education Technology Co., Ltd. under Doushen Education (300010) respectively.