【Golden Afternoon Report | December 29th Important Updates Overview】7:00-12:00 Keywords: Sophon, Ethena, MIRA 1. Sophon completes mining migration and opens mainnet mining; 2. Ethena's Berachain incentive pre-deposit vault is now online; 3. MIRA's largest holder announces to slow down the selling pace and locks up about 1/3; 4. A dormant address containing 357 BTC was activated after 11.0 years, worth about 34 million USD; 5. CryptoQuant founder: Trump's Bitcoin policy depends on the economic position of the United States; 6. The US spot Bitcoin ETF has purchased 511,314 BTC this year, currently holding 1.13 million; 7. Galaxy Digital research director: If the IRS ultimately determines that DeFi front ends are brokers, the industry will face three options.