US House of Representatives investigates Kalshi and Polymarket for alleged insider trading

Polymarket was attacked due to an "internal recharge" wallet vulnerability, resulting in a loss of approximately $700000. （Decrypt）

According to CCTV, on May 21st local time, the US State Department announced approval to sell Ukraine approximately $108 million worth of equipment related to the Hawker surface to air missile system, including missile components, spare parts, and logistical support.

According to Onchain Lens monitoring, BlackRock transferred 1587 BTC worth approximately $123 million and 17800 ETH worth approximately $378 million to Coinbase.

According to Bloomberg, the Intercontinental Exchange has partnered with OKX to launch perpetual futures contracts linked to crude oil, priced based on ICE's Brent and WTI crude oil futures prices. This product will be launched in OKX licensed regions.

According to two insiders, CATL plans to participate in the first round of financing for artificial intelligence company DeepSeek, with a target fundraising scale of approximately 500 billion yuan (equivalent to 7.35 billion US dollars), and is expected to complete delivery as early as next month. After the completion of this round of financing, DeepSeek's valuation may exceed RMB 3.5 trillion (equivalent to USD 51.4 billion). It is reported that JD.com and NetEase are also in talks to invest, but the investment amount and final participating parties have not been finalized, and negotiations among all parties are still ongoing.