Overview of Important Developments on the Evening of June 28

12:00 (UTC+8) - 21:00 (UTC+8) Keywords: Michael Saylor, El Salvador, Wang Chun1. Michael Saylor once again published Bitcoin Tracker information.2. Samsung Electronics and SK Hynix will announce a large-scale investment plan in South Korea tomorrow.3. ZachXBT: X platform algorithm creates a "traffic dilemma" for cryptocurrency content.4. El Salvador accumulated 8 BTC in the past 7 days, increasing its total holdings to 7,696.37 BTC.5. F2Pool co-founder Wang Chun has added 4,950 ETH, bringing his recent total increase to 92,000 ETH.