12.28 Key Messages;
1. Data: Over the past 7 days, the circulation of USDC has increased by approximately 1.1 billion;
2. Michael Saylor: 60 companies hold over 590,000 BTC;
3. VolatilityShares applies to launch a leveraged ETF based on Solana futures;
4. ProShares submits applications for 3 index funds, gold, and Bitcoin hedge ETFs to the SEC;
5. The suspected address of the VIRTUAL project transferred 2 million tokens to Bybit again 2 hours ago;
6. Polymarket bettors: 21% believe Bitcoin will soar to $150,000 by March next year;
7. Santiment: Cryptocurrency trading volume decreased by 64% over the past week, especially speculation
