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.

Polymarket has resumed operations in the United States following regulatory clearance from the Commodity Futures Trading Commission. The platform launched a phased rollout for waitlisted users, who can now access sports event contracts, with additional markets planned for future release. The approval follows a $1.4 million settlement in 2022 and the platform's $112 million acquisition of Florida-based derivatives exchange QCX in July 2025.

Ethereum activated its Fusaka upgrade on December 3 at slot 13,164,544, implementing execution-layer optimizations without disrupting network operations. The network maintained 995,908 active validators and 35.63M staked ETH immediately following activation. ETH traded above $3,150 after the upgrade deployment.

Security researchers captured North Korean operatives in real time after deploying a honeypot workstation that mimicked a developer environment. The operatives, linked to the Lazarus Group's Famous Chollima division, used legitimate AI hiring tools and cloud services to establish trusted insider access rather than exploit code vulnerabilities. The operation revealed systematic use of job-automation software, VPN masking, and persistent remote-access protocols to bypass corporate security measures.

The U.S. Securities and Exchange Commission issued nine warning letters Tuesday to major ETF providers including Direxion, ProShares, and Tidal Financial, halting proposed funds designed to deliver three to five times daily returns on stocks and cryptocurrencies. The agency cited violations of Rule 18f-4, which limits a fund's value-at-risk exposure to 200% of its reference benchmark. ProShares withdrew several applications within one day of the letters being posted.

Revolut has integrated Solana for direct transfers, withdrawals, and staking, expanding SOL's presence in global fintech infrastructure. SOL traded near $141.22 with $5.8 billion in 24-hour volume. Short positions totaling $60 million were liquidated as the token tested key support levels.

Coinbase has launched live pilot programs with JPMorgan, Citigroup, and Bank of America to test stablecoin services, custody solutions, and cryptocurrency trading capabilities. CEO Brian Armstrong announced the trials on December 3, 2025, noting that participating banks view crypto as a core business line rather than an experimental project. The programs cover stablecoin operations, digital asset custody, and crypto trading infrastructure within the banks' regulated frameworks.

Strategy, which holds 650,000 BTC, is considering Bitcoin lending services that may provide inventory to hedge funds shorting its reserves. CEO Phong Le confirmed discussions with banks on Dec. 2, shifting the firm from passive custody to active credit operations. The move introduces counterparty risk and could compress the company's stock premium to net asset value.