21:00-7:00 Keywords: grey release, Fed, Yellen 1. grey release: DeFi Fund has not added or removed any new tokens as of December 4; 2. U.S. Treasury Secretary Janet Yellen says commercial real estate and digital assets pose risks to the financial system. 3. The value of bitcoin held by Musk's company has reached $2 billion; 4. Federal Reserve Hammack: It may be time for the Federal Reserve to slow down the pace of interest rate cuts. 5. U.S. stocks closed up and down, with cryptocurrency concept stocks generally rising; 6. Tether 2 billion USDT on the Ethereum network; 7. Nuvei partners with Visa to provide stablecoin payment services to merchants in Latin America.