Midday Key Updates on April 20

7:00 (UTC+8) - 12:00 (UTC+8) Keywords: Polymarket, Aave, Hong Kong1. The United States will officially launch a 1 trillion USD tariff refund;2. Polymarket plans to raise 400 million USD at a 15 billion USD valuation;3. Trump reposted an article: claiming victory in the Iran war and listing eight major achievements;4. There have been 41 cases of kidnapping targeting cryptocurrency holders in France this year;5. Aave saw an outflow of 10.1 billion USD, with total deposits dropping to 35.7 billion USD;6. The Monetary Authority of Singapore (MAS) urges banks to strengthen cyber security defenses;7. Chen Haolian: Hong Kong is building a comprehensive digital asset regulatory framework, aiming to submit it to the Legislative Council within the year.