1. OpenAI expressed optimism about the return of Sam Altman and Greg Brockman; 2. Affected by the firing of the CEO by OpenAI, the decentralized AI project Bittensor increased by more than 60%; 3. Kronos Research: All losses caused by this attack will be borne internally; 4. The market value of the privacy field will fall by US$440 million in 2023; 5. Greenidge Generation sells a Bitcoin mining farm to NYDIG to solve debt problems; 6. dYdX: High-profit trading strategies are now banned.