A Columbia University study has found that wash trading accounted for nearly 25% of all transactions on Polymarket over the past three years. Sports markets showed the highest prevalence at 45% of volume, while crypto markets recorded the lowest at 3%. The decentralized prediction platform achieved $2.59 billion in trading volume in October and secured $205 million in funding across two rounds.

Large Ethereum holders collectively purchased 394,682 ETH valued at $1.37 billion over three days, data show. The largest buyer acquired 257,543 ETH for approximately $896 million at $3,480 per token. Other major holders including Bitmine added 40,719 ETH worth nearly $140 million during the accumulation period.

Strategy has announced an initial public offering of 3.5 million shares of 10.00% Series A Perpetual Preferred Stock denominated in euros, trading under the symbol STRE. The company will use net proceeds for general corporate purposes, including Bitcoin acquisitions. The offering targets European and global institutional investors seeking structured exposure to Bitcoin markets.

Former Binance CEO Changpeng Zhao disclosed a personal purchase exceeding $2 million in ASTER tokens on November 2, according to his social media announcement. The DEX protocol token climbed from $0.91 to a peak of $1.26 following the disclosure. Zhao emphasized a long-term holding approach rather than active trading.

Coinbase posted net income of $432.6 million for the third quarter of 2025, exceeding analyst expectations and marking a fivefold increase from $75.5 million in the same period of 2024. The exchange acquired 2,772 BTC during Q3, bringing its total holdings to 14,548 BTC valued at $1.6 billion.