The US stock market closed with mixed gains and losses, with the Nasdaq closing down 0.05%

U2U saw a significant increase in on chain activity in the third quarter, benefiting from the integration of DeFi, RWA, and DePIN fields, improved network efficiency, a surge in transaction volume, and further consolidation of the active user base. Key data includes: new transaction volume increased by 685.0% month on month to 7.9 million transactions, total transaction volume increased by 135.6% month on month to 6.4 million transactions, active accounts increased by 47.6% month on month to approximately 1160, and transaction costs increased by 171.0% month on month to 359 U2Us. （Messari）

[Federal Reserve Reverse Repo Operation Accepts $10.551 Billion] The Federal Reserve accepted $10.551 billion from 12 counterparties in its fixed-rate reverse repo operation.

Strategy has once again increased its holdings of Bitcoin, purchasing 1229 BTC at a total cost of $109 million. （CoinDesk）

[South Korean CEX Employee Sentenced to 4 Years for Accepting Bitcoin Bribes to Turn Military Officer] On December 30, South Korea's Supreme Court ruled that an employee of a cryptocurrency exchange platform was sentenced to four years in prison for accepting approximately $487,000 worth of Bitcoin from North Korean hackers to turn a South Korean military officer into selling military secrets. The individual is also banned from engaging in financial-related industries for four years. The involved Army captain received approximately $33,500 worth of Bitcoin and has already been sentenced to 10 years in prison and fined $35,000 for violating the Military Secrets Protection Act. The case revealed that the individuals involved contacted the officer via Telegram and provided concealed cameras disguised as watches and USB devices in an attempt to steal login information for the Korea-U.S. Joint Command and Control System.

[Lighter Withdraws 32.05 Million USDC to Treasury Address, Partial Funds Flow to LLP] On December 30, Lighter withdrew 32.05 million USDC from the platform to the treasury address, of which approximately $7.5 million entered LLP and around $8.6 million was redeposited back into Lighter since October 16. The remaining approximately $21.9 million USDC was transferred to a Coinbase custody address. Currently, the platform's fee wallet still holds about $100,000. Lighter disclosed that the treasury address is hardcoded into the contract as account 0, responsible for receiving platform fees, and can be replaced through contract mechanisms.