Ethereum activated its Fusaka upgrade on December 4, 2025, at 9:49 p.m. UTC during Epoch 411392. The upgrade introduces peer data availability sampling (PeerDAS), which increases data throughput for Layer-2 networks by up to 8 times. The technology reduces transaction costs and improves processing speed by fragmenting rollup data into smaller segments.

Investor Kevin O'Leary stated he does not anticipate a US Federal Reserve rate cut in December and believes such action would have minimal effect on Bitcoin's valuation. The CME FedWatch Tool shows an 89% probability of a December rate reduction, according to market data. O'Leary maintains Bitcoin will likely fluctuate within 5% of current levels.

Strategy has sharply reduced its Bitcoin acquisition activity, falling from 134,000 BTC monthly in 2024 to just 135 BTC in December 2025, according to CryptoQuant analysis. The company has set aside a $1.4 billion cash reserve to cover dividends and debt obligations, providing at least 12 months of financial runway. Bitcoin currently trades near $92,300, closely aligned with estimated production costs.

Bitcoin is trading just above its True Market Mean cost basis, with over 25% of circulating supply now underwater. The price structure mirrors conditions seen in early 2022. Net capital inflows remain positive at $8.69 billion monthly but significantly below July's $64.3 billion peak, according to Glassnode data.

XRP is trading near the $2.00 support level as two crypto analysts identify technical patterns signaling a potential trend reversal. Dom highlights a 3-drive formation across six weeks of price action, while Osemka maps a flat correction structure built on the 2021 high. Both frameworks point to key resistance at $2.22 and $2.50 as critical levels for bulls to reclaim.

Coinbase CEO Brian Armstrong announced on December 3, 2025, that major U.S. banks have partnered with Coinbase to pilot crypto-related projects focusing on stablecoins, trading infrastructure, and custody solutions. BlackRock CEO Larry Fink participated in the discussion at the New York Times Dealbook Summit, highlighting Bitcoin's essential use cases. The collaborations reflect the financial sector's growing acceptance of digital assets.

Solana rose 12.05% to $142 on December 2, 2025, driven by $45.77 million in net inflows to U.S. spot ETFs and a 10.61% increase in Open Interest to $7.40 billion. Technical analysis shows a double-bottom pattern with a potential move toward $169 if the asset sustains a close above $145. Long positions totaling $210.97 million at key liquidation levels indicate bullish positioning among derivatives traders.

Bitcoin climbed back toward $93,000 after traders lifted December Federal Reserve rate cut probabilities into the mid-to-high 80% range and the dollar posted its ninth consecutive daily decline. Market attention has also shifted to potential successors for Fed Chair Jerome Powell, whose term concludes in May 2026, with former Coinbase advisor Kevin Hassett emerging as a leading candidate, according to Reuters.