what are cryptocurrencies and how do they work Knowledge graph

Sources: Leaders of Germany, France, Poland, NATO and other countries will meet in Brussels on Wednesday to discuss Ukraine. Zelensky will also attend the Ukrainian meeting.Nasdaq hit a record high in intraday trading, up 0.8%.Market news: Brazilian President Luiz Inacio Lula da Silva entered the semi-intensive care unit for recovery after surgery.

Analyst: Britain's economic contraction for the second consecutive month sounded the alarm. AJ Bell analyst Danni Hewson said in a report that one month's data can't tell the whole story, but when the British economy contracted for two consecutive months-just like September and October-it is worthy of attention. The last time the economy contracted for two consecutive months was during the first pandemic blockade in 2020. She said that the uncertainty before the government budget may lead individuals and businesses to avoid spending for fear of possible tax increases. Bars, restaurants and art industries were hit hard in October. Hewson said that such discretionary expenses can be easily cut. In addition, looking back over the past six months, except August, the economic activity in each month was flat or decreased.Mckinsey agreed to pay $650 million to settle the criminal investigation of opioids by the U.S. Department of Justice. Mckinsey submitted a five-year deferred prosecution agreement to the federal court in Abingdon, Virginia, and agreed to pay $650 million to settle the criminal investigation of the U.S. Department of Justice on its work in guiding the opioid manufacturer Purdue Pharmaceutical to increase sales. According to court documents, Martin Elling, a former senior partner of McKinsey, agreed to plead guilty to obstruction of justice because he destroyed McKinsey's consulting records for Purdue Pharmaceutical. He will plead guilty on January 10th next year. Mckinsey has previously reached various settlement agreements totaling nearly $1 billion. The company had previously faced lawsuits in several States in the United States, and was accused of providing sales analysis and marketing advice to pharmaceutical companies such as Purdue Pharmaceutical and Johnson & Johnson, which contributed to the popularity of opioids.Wen Bin, chief economist of Minsheng Bank: The "scissors gap" between M2 and M1 continues to narrow, reflecting the positive trend of the economy. "The total financial volume has grown steadily, and the liquidity is reasonable and abundant, which has maintained strong support for the real economy." Wen Bin, chief economist of China Minsheng Bank, believes that the year-on-year growth rate of narrow money (M1) balance rebounded in November compared with last month, and the "scissors gap" between M2 and M1 continued to narrow, reflecting the positive economic trend. Wen Bin introduced that the medium and long-term loans of households in China are mainly personal housing mortgage loans. With the real estate financial policy taking effect, the phenomenon of early repayment of personal loans has been significantly reduced, and personal loans will continue to stabilize and rebound. The recent improvement of commercial housing transaction data and financial data confirms each other, and the confidence of the real estate market and residents is further enhanced.

Government of Sri Lanka: The final result of the bond exchange is expected to be announced on December 16th.The Nasdaq 100 index rose 1% and the S&P 500 index rose 0.4%.After RIOT bought 5117 Bitcoin for $510 million, its share price rose by 1.8% before the market.