Bitcoin declined approximately 5% within 24 hours to $86,415.88 as weakening technical momentum met deteriorating market liquidity. The several-thousand-dollar drop occurred without news catalyst, exposing fragile liquidity conditions and record-high leverage that have defined this year's trading environment. Weekend sessions have repeatedly produced unusually large price swings, with thin order books allowing modest selling to trigger cascading liquidations.

Yearn Finance confirmed an exploit targeting its yETH liquid staking token pool on November 30, 2025. An attacker exploited an infinite-mint vulnerability to drain millions in liquid staking tokens, routing approximately 1,000 ETH (around $3 million) to Tornado Cash. The protocol stated that Yearn Vaults V2 and V3 remain unaffected.

Michael Saylor departed from his year-long Sunday routine of posting orange dots that preceded Bitcoin purchases, instead introducing green dots on November 30, 2025. The change has sparked debate over whether Strategy might pursue stock buybacks or alter its Bitcoin holdings. The company's stock has fallen 38% year-to-date, limiting its ability to raise capital through share issuance.

Bitcoin is trading beneath both the 9-day and 20-day EMAs with weakening momentum indicators. The RSI remains below the midpoint while the MACD histogram flattens, signaling a market that is drifting rather than capitulating. Key resistance stands at $91K, with major support zones between $84.2K and $82.4K.

Solana is trading within a narrow range between support near $130 and resistance around $143–$145, with order book data showing concentrated liquidity clusters on both sides. Technical indicators reveal weakening bearish momentum, though the price remains below key moving averages. A decisive directional move appears imminent as the market approaches these critical levels.

The Chicago Mercantile Exchange suspended futures trading for approximately 10 hours on Friday following a cooling system malfunction at its Aurora, Illinois data center operated by CyrusOne. The outage affected equities, commodities, currencies, energy, and cryptocurrency markets during the post-Thanksgiving Asia session when U.S. markets were closed and liquidity was thin. CME restored full functionality around 1:30 p.m. UTC.

Cryptocurrency funding reached nearly $25 billion in 2025, representing a surge of over 150% compared to 2024. Centralized exchanges attracted approximately $4.4 billion, followed by prediction markets with $3.2 billion and DeFi platforms with $2.9 billion, data show. The influx signals a marked shift in institutional sentiment toward blockchain and digital-asset ventures.

Cryptocurrency exchange Coinbase has submitted formal recommendations to the Commodity Futures Trading Commission requesting updated regulatory frameworks for digital assets. The submission addresses decentralized finance oversight, stablecoin collateral use, and standards for integrated trading platforms. Coinbase argues that current U.S. rules do not reflect the structure of modern crypto markets and proposes practical oversight measures that balance innovation with investor protection.

Former BitMEX CEO Arthur Hayes cautioned that Monad, a newly launched layer-1 blockchain, may experience a decline of up to 99% due to its high fully diluted valuation and low circulating float. Hayes classified Monad as a VC-backed token vulnerable to liquidity pressure once insider allocations unlock.