Citadel Securities has urged the U.S. Securities and Exchange Commission to classify decentralized finance protocols as exchanges and broker-dealers when they facilitate tokenized securities trading. In a letter dated Tuesday, the trading firm warned that broad regulatory exemptions would create inconsistent standards for identical securities and weaken investor protections. The proposal has drawn sharp criticism from cryptocurrency industry leaders who argue it misinterprets existing law and threatens innovation.

Connecticut's Department of Consumer Protection issued cease-and-desist orders on Tuesday targeting Kalshi, Robinhood, and Crypto.com for offering event contracts without state licenses. Regulators classified these offerings as illegal sports wagering, citing violations of state gaming laws and consumer protection standards. The platforms must immediately stop advertising to Connecticut residents and allow users to withdraw funds.

BitMine purchased $150 million worth of Ethereum on Wednesday, acquiring 48,623 ETH through multiple exchanges, data show. Collective purchases by Ethereum digital asset treasuries fell to 370,000 ETH in November, marking an 81% decline from the 1.97 million ETH bought in August. The company's treasury now holds over 3% of Ethereum's total circulating supply.

The United Kingdom enacted the Property (Digital Assets etc.) Act 2025 on Tuesday, creating a third category of property under UK law for digital assets including bitcoin and stablecoins. The legislation, which passed both parliamentary chambers without amendments, provides legal clarity for ownership disputes, asset recovery, and insolvency proceedings involving digital holdings.

American Bitcoin shares fell 38.83% on Tuesday after restrictions lifted on shares issued in a pre-merger private placement. The stock declined nearly 50% in early trading before closing at $2.19. Co-founder Eric Trump said early investors were taking profits and confirmed he would not sell his holdings.

AI research firm Anthropic disclosed that automated AI agents successfully exploited 17 of 34 smart contracts in a simulated blockchain environment, extracting $4.5 million in test funds. The models tested included Claude Opus 4.5 and Claude Sonnet 4.5 against contracts deployed after March 2025. The AI agents also identified two previously unknown vulnerabilities in recently launched contracts.

South Korea's ruling Democratic Party has set a December 10 deadline for the Financial Services Commission to submit a comprehensive stablecoin regulatory framework. Lawmaker Kang Jun-hyeon, secretary of the National Assembly's Financial Services Committee, said the party plans to advance legislation through January if the deadline is met. The initiative aligns with President Lee Jae Myung's policy priority to develop a Korean won-stablecoin market.

The Federal Deposit Insurance Corporation will release a proposed regulatory framework for implementing the GENIUS Act later this month, Acting Chair Travis Hill said. The agency will supervise subsidiaries of FDIC-regulated banks that issue stablecoins. A second proposal covering prudential requirements for payment stablecoin issuers is expected early next year.

Sony Bank plans to introduce a dollar-pegged stablecoin in the United States by fiscal 2026, according to sources cited by Nikkei. The digital currency will target U.S. consumers purchasing Sony's gaming and anime content. Sony Bank filed for a U.S. banking license in October and has partnered with stablecoin issuer Bastion to support the project.