[This Week's U.S. Treasury Debt Buyback Totals $14.5 Billion] After completing a historic $12.5 billion debt buyback, the U.S. Treasury added an additional $2 billion buyback, bringing this week's total buyback amount to $14.5 billion.

[Kalshi Completes $11 Billion Valuation Financing and Announces Multiple Partnerships] On December 5, prediction market platform Kalshi announced the completion of $1 billion in financing at an $11 billion valuation, with co-founder Lopes Lara becoming the world's youngest self-made female billionaire. Kalshi also announced several new business partnerships, including collaborating with Solana to migrate prediction markets on-chain, becoming CNN's official prediction market partner to provide real-time data for news programs, and partnering with CNBC to integrate prediction market data into its television, digital, and subscription platforms. Additionally, both Kalshi and Polymarket achieved record-high monthly trading volumes in November, while YZi Labs announced its investment in prediction markets Opinion and predict.fun.

[Solana Co-Founder: Crypto Market Total Market Cap Will Continue to Grow] Solana co-founder Toly tweeted that high valuation multiples reflect the risks and opportunities of the industry. He believes the total market cap of the crypto market will continue to grow and eventually allocate market share based on revenue. He pointed out that this process will be a long and challenging battle for market share, and only blockchains that compete with the goal of winning the entire market will survive.

[Caldera Launches On-Chain Expansion Plan, ERA Token Goes Live on Arbitrum One] Caldera has announced the launch of the 'On-Chain Expansion Plan,' with the ERA token now live on Arbitrum One and an ERA/USDC liquidity pool established on Uniswap. The plan is supported by Caldera Metalayer technology, offering second-level cross-chain and unified liquidity experiences. In the coming months, Caldera will continue deploying ERA across major execution environments and introduce a cross-chain liquidity plan.

[The U.S. September Core PCE Price Index Annual Rate to be Released Tonight at 23:00] The U.S. Department of Commerce will release the September Core PCE Price Index Annual Rate tonight at 23:00 (UTC+8), with an expected value of 2.9% and a previous value of 2.9%.