what can cryptocurrency be used for Knowledge

Bank of Indonesia: It intervened "quite boldly" when the Indonesian rupiah fell. As the Indonesian rupiah hit a four-month low and approached the key level of 16,000 rupiah to the dollar, the Indonesian central bank intervened more actively in the market on Friday. Edi Susianto, executive director of the Monetary and Asset Securities Management Department of the Bank of Indonesia, said by SMS that in order to maintain market confidence, the central bank entered the spot, domestic non-deliverable forwards (NDF) and national debt markets. The Indonesian rupiah fell 0.4% to 15,994 to the dollar in early trading on Friday, the weakest intraday level since August 8, and the worst weekly performance since mid-November.South Korea's South Gyeonggi Police Department was detained and searched. The South Korean police responsible for investigating the martial law storm said on the 13th that it was detaining and searching the South Gyeonggi Police Department. According to Yonhap News Agency and other media reports, the special investigation team of the National Investigation Headquarters under the South Korean Police Department sent investigators to the South Gyeonggi Police Department on the same day to detain and search the director's office and obtain computer and business information. The report said that after the martial law was announced on the evening of the 3rd, the southern police department of Gyeonggi deployed police to the building of the Central Election Management Committee in Guochuan City, Gyeonggi Province and the election training institute in Suwon City, Gyeonggi Province.The cryptocurrency market fluctuated violently again, exceeding 110,000 people. In the past 24 hours, the cryptocurrency headed by Bitcoin jumped up and down. After Trump said "something great will be done in the cryptocurrency field", the price of Bitcoin once rose to about $102,500, and then profit-making funds poured out. Bitcoin plunged over $3,000, and the lowest dropped to around $99,200. Other smaller cryptocurrency varieties followed suit. Coinglass data shows that within 24 hours, the number of people in the cryptocurrency market has exceeded 110,000. At present, there are great differences in the market on cryptocurrency. Some optimists predict that Bitcoin may reach $150,000 in mid-2025. At the NEXT meeting in Reuters this week, American bankers expressed their caution about cryptocurrencies. BlackRock, a world-renowned asset management company, suggested in a report on Thursday that interested investors could consider allocating 2% of their portfolio to Bitcoin. However, the report also warned: "Investors should also be alert to the risks of Bitcoin, which may not be widely adopted in the end, and it is still very unstable and vulnerable to sharp selling." In addition, Turkish regulators said they would block access to dozens of cryptocurrency exchanges. (Broker China)

The Hang Seng Index fell by 1.6%; Led by industrial and commercial stocks, the Hang Seng Index fell 1.6% to 20,072.69 in Hong Kong. In midday trading, industrial and commercial stocks led the market down, and all kinds of stocks fell; Of the 83 stocks, 75 fell and 7 rose. Meituan dragged down the index the most, falling by 2.8%. Budweiser Asia Pacific suffered the biggest decline, down 6.1%.Turkish regulators blocked access to dozens of cryptocurrency exchanges, and the Turkish Capital Markets Board listed websites that allegedly provided unauthorized cryptoasset services to Turkish customers.Guosheng Financial Holdings hit the daily limit in the afternoon and staged the "Earth Sky Board". The turnover exceeded 3.5 billion yuan, and the stock price approached an all-time high.

South Korea's KOSPI index erased all the declines since the martial law storm.More than eight members of parliament from South Korea's ruling party supported the impeachment of Yin Xiyue.LinkedIn's server was abnormally disconnected from the network. Customer Service: The recovery time is uncertain for the time being. On December 13th, several LinkedIn owners reported that the user's APP car control was abnormal and could not connect to the network. Link Auto Customer Service said that this incident was caused by the abnormal fluctuation of the cloud server, which led to the abnormal use of some car control apps. Currently, it is being urgently processed, and the recovery time is uncertain. (On the news)