Summary of Important Developments on the Evening of April 4

12:00 (UTC+8)-21:00 (UTC+8) Keywords: Tether, DeepSeek, Polymarket1. Tether may delay fundraising: $500 billion valuation faces market test;2. Bitdeer sold 149.7 BTC this week, currently still maintains zero holdings;3. Nevada court extends injunction: Kalshi sports prediction market identified as "quasi-gambling";4. DeepSeek V4 will be released in the coming weeks, may run entirely on Huawei chips;5. Polymarket delisted "missing US military pilot" prediction event due to compliance review triggered by public controversy;6. OpenClaw founder responds to Anthropic ban: had invited them to join a non-profit organization, but received no reply.