Decentralized exchanges recorded $419.76 billion in trading volume during October 2025, data show. DEXs captured 21.2% of total spot trading as of November 2025, up from 6.0% in January 2021. The milestone occurred despite broader market corrections affecting the cryptocurrency sector.

Several altcoins recorded significant price movements this week. AAVE climbed 13.5% as whale wallets accumulated $59.93 million in tokens since October, data show. Kaspa jumped 47.4% after breaking key resistance levels, while Ethena gained 22.85% ahead of a December 2 token unlock valued at $26.87 million. Zcash fell 18.6% and Memecore declined 35%.

South Korean exchange Upbit will restore deposit and withdrawal services on December 1, 2025, at 1 PM KST following a November 27 security breach that resulted in $36.8 million in losses. The platform will absorb all losses from its own reserves, ensuring no impact to customer funds. Authorities suspect the Lazarus Group orchestrated the attack using compromised administrator credentials.

Former BitMEX CEO Arthur Hayes has raised questions about Tether's balance sheet strategy, suggesting the stablecoin issuer is positioning for Federal Reserve rate cuts through substantial hard asset purchases. Hayes noted Tether holds approximately $13 billion in gold and $10 billion in Bitcoin. He warned that a 30% decline in these combined holdings could theoretically eliminate the firm's equity buffer, raising solvency concerns under such a scenario.

Chainalysis has rejected Binance's analysis claiming illicit trading volume at seven major crypto exchanges ranged between 0.018% and 0.023%. The blockchain analytics firm stated Binance conducted the analysis internally using select Chainalysis data while excluding key crime categories including ransomware and stolen funds. The dispute emerges as Binance continues managing consequences from its $4.3 billion U.S. penalty in 2023.

Nasdaq has elevated its tokenized stock proposal to a priority initiative, with digital assets chief Matt Savarese confirming the exchange will pursue SEC approval with urgency. The filing, submitted in September 2025, seeks permission to enable on-chain trading of blockchain-based share representations within existing market rules. Investor rights including voting privileges and dividend entitlements would remain intact under the framework.

The National Bank of Kazakhstan will invest between $50 million and $300 million in digital assets from its foreign exchange reserves. Chairman Timur Suleimenov confirmed the allocation range during a November 28 briefing, according to RBC. The institution will adopt a cautious approach as Bitcoin dropped 17% from $110,000 in early November to $81,000, erasing $500 billion from aggregate crypto market capitalization.

Bitcoin, Ethereum, XRP, and Solana have rallied following recent sharp declines, recovering from oversold conditions and testing critical support zones. Gareth Soloway, Chief Market Strategist at VerifiedInvesting.com, has identified specific price targets for each asset. The analysis examines whether the current bounce represents a sustainable reversal or temporary relief rally amid broader market uncertainty.