university of nicosia introduction to digital currency Knowledge graph

Brazilian President Lula is in good condition after undergoing surgery again. The medical team of Brazilian President Lula said on the 12th that Lula was in good condition and "very stable" after undergoing intracranial vascular surgery on the same day, and he is expected to be discharged on the 16th or 17th. Roberto ahmed khalil, a member of the President's medical team, said at the press conference: "The operation was very successful, which is a supplement to the surgery on the 10th." He said that Lula is awake and has eaten, and his condition is very stable. He is expected to be discharged on the 16th or 17th. (Xinhua News Agency)The exchange rate of the Canadian dollar against the US dollar fell to the lowest level since April 2020. As the US dollar strengthened for the fifth consecutive day, the Canadian dollar fell below 1.42 Canadian dollars against the US dollar for the first time since April 2020. According to informed officials, Canada is studying that if US President-elect Donald Trump fulfills his threat to impose extensive tariffs, Canada will impose export taxes on its main exports to the United States.Governor of Poland's central bank: Poland will continue to achieve the CPI target.

The US dollar index rose on the 12th. The US dollar index, which measures the US dollar against six major currencies, rose by 0.23% that day and closed at 106.957 in the foreign exchange market. As of the end of the new york foreign exchange market, 1 euro was exchanged for 1.0473 US dollars, lower than 1.0492 US dollars in the previous trading day; One pound was exchanged for $1.2670, down from $1.2745 in the previous trading day. One dollar was exchanged for 152.54 yen, down from 152.65 yen in the previous trading day; One dollar was exchanged for 0.8914 Swiss francs, higher than 0.8848 Swiss francs in the previous trading day; 1 dollar to 1.4208 Canadian dollars, higher than 1.4162 Canadian dollars in the previous trading day; One dollar was exchanged for SEK 11.0106, higher than SEK 10.9791 in the previous trading day.Ukrainian energy facilities were attacked by large-scale air strikes. Ukrainian President Zelensky said on the 13th that Ukrainian energy facilities were attacked by Russian missiles and drones again that morning. The Russian Defense Ministry announced on the 13th that the Russian army launched a large-scale attack on the energy infrastructure to ensure the operation of the Ukrainian military-industrial complex by using long-range space-based and sea-based high-precision weapons and attack drones, which was a response to Ukraine's attack on the Russian Taganrog military airport on the 11th using the US Army tactical missile system. Zelensky said on social media that 93 missiles were fired by Russian troops and 81 were intercepted by Ukrainian air defense fire. In addition, the Russian army also launched nearly 200 attack drones into Uzbekistan. DTEK, Ukraine's largest private power company, issued a statement on the morning of the 13th, saying that many thermal power plants under the company were seriously damaged by large-scale air strikes, and no casualties have been found. It is reported that this is the 12th round of large-scale air strikes launched by the Russian army against Ukrainian energy facilities this year. (Xinhua News Agency)French Hill will lead the Financial Services Committee of the US House of Representatives, and Punchbowl reporter posted on social media X that Congressman French Hill will become the new chairman of the Financial Services Committee of the House of Representatives.

Huawang Technology: Zhang Yancheng, the director, plans to reduce the company's shares by no more than 0.3443%. Huawang Technology announced that Zhang Yancheng, the company's director and senior manager, plans to reduce the company's shares by no more than 1.6 million shares through centralized bidding on the Shanghai Stock Exchange within three months after the announcement date, accounting for 0.3443% of the company's total share capital. The reduction price will be determined according to the market price. Zhang Yancheng currently holds 6,671,700 shares of the company, accounting for 1.4357% of the company's total share capital.China and the United States renewed the agreement on scientific and technological cooperation between the two governments. On December 13, 2024, representatives of the Chinese and American governments exchanged notes and signed the Protocol on Amending and Extending the Agreement on Scientific and Technological Cooperation between the Two Governments, which extended the Agreement for five years from August 27, 2024. (Ministry of Science and Technology)BYD Lian Yubo: It is estimated that BYD will sell 4.25 million vehicles in the whole year. On December 13th, BYD's chief scientist Lian Yubo said: "Up to now, BYD has sold more than 10 million new energy vehicles. By the end of this month, we can probably achieve the annual sales of 4.25 million vehicles. " He also mentioned: "There are still some challenges in industrial development. For example, the overall anti-risk ability of our industrial chain needs to be improved, and there are still breakthroughs in chips, operating technologies, industrial software and nuclear materials. We still need to strengthen research and achieve complete autonomy and controllability."