[Golden Evening News | Overview of important developments on the evening of June 30] 12:00-21:00 Keywords: Biden, Matrixport, Bitfinex 1. Biden assured Democratic donors that he could still win the election; 2. Data: Bitcoin's weekend trading volume fell to 16% of total trading volume; 3. Matrixport withdrew 5,308 ETH from Binance 1 hour ago; 4. Audit Office: Some financial regulatory officials use virtual currency to hide the source of funds; 5. A whale withdrew 30,000 ETH from Bitfinex and deposited 20,000 ETH into Spark; 6. FLOKI: Fraudulent tokens have appeared on the Solana and Base blockchains; 7. "Rich Dad Poor Dad" author: Buy Bitcoin every month and follow Warren Buffett's buy-and-hold strategy.