The International Monetary Fund published a briefing paper on December 5, 2025, examining regulatory frameworks for stablecoins across the US, UK, Japan, and EU. The IMF warned that rapid stablecoin expansion—now exceeding $300 billion—may generate inefficiencies and regulatory gaps due to divergent national approaches and interoperability challenges.

Grayscale's spot Chainlink ETF launched December 3 with $42 million in first-day inflows and $13 million in trading volume. LINK climbed over 20% from $12 to $15 during the week, while Open Interest rose from $194 million to $240 million.

The official Pepe memecoin website has been infiltrated through a front-end exploit involving Inferno Drainer malware. Cybersecurity firm Blockaid issued an alert on December 4, 2025, warning users that malicious code was injected into the site. The attack aims to redirect visitors to phishing pages designed to steal wallet credentials and drain digital assets.

Lighter, an Ethereum-based decentralized perpetual exchange valued at $1.5 billion, introduced spot market trading starting with ETH on Thursday. The platform processed $292.5 billion in trading volume during November, becoming the highest-volume perpetuals protocol that month. Lighter plans to add additional spot markets in the coming days.

Monad's blockchain processes 2.2 million daily transactions and holds $277.5 million in DeFi total value locked since its mainnet launch. Data show 75% of assets bridged to the network have moved to other chains, according to WormholeScan. The MON token has declined 28% over the past week despite generating $100,000 in fees during its first seven days.

BitMine has acquired approximately $150 million worth of Ethereum, increasing its total holdings to over 3% of the cryptocurrency's circulating supply. The purchase represents a contrarian move as most treasury firms have reduced ETH exposure amid market volatility. The company has stated its goal of controlling 5% of all circulating ETH.

Binance will remove FDUSD-denominated margin pairs from cross and isolated markets on December 11, 2025. Borrowing for these pairs ends December 8. The delisting affects over 20 tokens including PENGU, NOT, FLOKI, and ORDI, with all positions force-closed and orders canceled at implementation.

Ethereum activated the Fusaka upgrade, introducing PeerDAS technology that enables nodes to verify smaller data samples instead of complete blobs. The block gas limit increased to 60 million, allowing rollups including Arbitrum, Optimism, and zkSync to post larger data batches at lower costs. The protocol-level changes require no action from wallet holders or application users.