Ken Griffin, founder of Citadel, has disclosed a 4.5% stake in a Solana vault company, marking a significant investment in the blockchain sector. Meanwhile, the official X account of Noble was compromised, leading to the posting of phishing links. In other developments, Tesla maintained its Bitcoin holdings in Q3 2025, while Kalshi is reportedly nearing a $12 billion valuation. Polymarket is also seeking up to $15 billion in funding. In legal news, Melania Trump is embroiled in a lawsuit over a pump-and-dump scheme involving her meme coin, MELANIA. Additionally, the founder of Meteora is accused of using images of Trump and Milei to manipulate another meme coin. Market movements saw ENA drop 10% following Hyperliquid's liquidation of an address linked to Andrew Kang. Regulatory actions included a $126 million fine against Cryptomus by Canadian authorities, and Hyperliquid Strategies filed an S-1 to raise up to $10 billion. Other notable updates include the approval of Hong Kong's first Solana ETF, Robinhood and Coinbase listing BNB, and Aave DAO's proposal for a $50 million annual budget for token buybacks.
Citadel's Ken Griffin Reveals Solana Stake Amid Crypto Market Turmoil
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