Sonnet Biotherapeutics shareholders approved a business combination with Hyperliquid Strategies on Dec. 2, market reports show. Hyperliquid Strategies previously announced plans to raise up to $1 billion to purchase HYPE and other assets.

The U.S. 10-year Treasury yield rose to 4.086% on Dec. 2, up approximately 3.12% from its recent low of 3.962%, market data show. The move followed signals from the Bank of Japan on potential rate hikes, with the 10-year Japanese Government Bond yield breaching 1%. Japanese investors, the largest foreign holders of U.S. Treasuries, are expected to cut U.S. debt holdings and shift capital to domestic bonds as JGB yields rise, removing the need to absorb currency fluctuations. The uptick in U.S. Treasury yields reflects market expectations of higher global dollar borrowing costs, which typically weigh on risk assets.

Stablecoin service provider Bastion announced a strategic partnership with Sony Bank Corporation on Dec. 2 to deliver stablecoin services for Sony-affiliated entities, BlockBeats reports. Bastion will handle large-scale stablecoin issuance, reserve management, and custody operations for Sony Bank. In September 2025, Bastion secured $14.6 million in funding led by Coinbase, with participation from Sony's venture arm, Samsung's venture division, a16z Crypto, and Hashed.

A Goldfinch DeFi lending protocol user identified as deltatiger.eth lost approximately $330,000 in an attack on Dec. 2, PeckShield reports. The attacker deposited 118 ETH of the stolen funds into Tornado Cash, the blockchain security firm said.

GANA Payment will officially resume operations on Dec. 2, 2025, with the GANA Foundation providing full reimbursement of $3.1 million in assets stolen during a prior security incident, the project announced Dec. 2. All affected users will receive complete asset coverage with zero losses. Following the relaunch, the project will relinquish all contract permissions and transition to a fully decentralized governance model. GANA Payment is a PayFi infrastructure deployed on BNB Chain offering on-chain payment services through stablecoin settlements, LP liquidation mechanisms and a verifiable Proof-of-Pay framework.

BlackRock CEO Larry Fink and COO Rob Goldstein said tokenization is shaping the next phase of global markets by modernizing infrastructure and connecting traditional and digital finance, in an article published in The Economist on December 2. The executives said tokenization can replace paper documentation with code, reducing friction that makes asset transactions costly and time-consuming, while converting large illiquid assets such as real estate or infrastructure into smaller, more accessible units. The current stage of tokenization development roughly corresponds to a period when three of the "Magnificent Seven" tech companies had not yet been established, with growth expected to match internet development speed and achieve significant expansion over the coming decades.

Claude Opus 4.5, Sonnet 4.5, and GPT-5 replicated exploits worth approximately $4.6 million in simulated attacks on smart contracts compromised between 2020 and 2025, Anthropic research released Dec. 2 shows. The models identified two previously unknown zero-day vulnerabilities while scanning 2,849 contracts with no documented flaws, demonstrating profitable exploitation capabilities. Anthropic's study indicates AI-driven on-chain attack profitability has doubled approximately every 1.3 months over the past year, with systems now possessing autonomous exploitation capabilities.

Japan's 30-year government bond yield reached an all-time high of 3.405% on Dec. 2, rising 1.5 basis points, Jin10 data show. The move was driven by persistent inflation and growing market expectations that the Bank of Japan may raise interest rates later this month. Bank of Japan Governor Kazuo Ueda said Monday the central bank will thoroughly discuss the possibility of a rate increase at its upcoming meeting. The 10-year government bond yield remained unchanged at 1.875%.