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On October 2, at 11:30 AM Eastern Time, the Arbitrum Security Committee executed an emergency upgrade on Arbitrum One and Nova, suspending the activation of all new Stylus contracts on both chains, while adding a protective mechanism against BoLD single-step proofs in the dispute system of Arbitrum One. The Arbitrum Foundation stated that this action is part of ongoing proactive security measures aimed at protecting the security and integrity of the network.Stylus allows developers to write smart contracts using languages such as Rust and C++, while maintaining compatibility with the Ethereum Virtual Machine, with its programs compiled into WebAssembly format. This suspension primarily targets manually written WASM programs that do not use the standard Stylus compiler toolchain and have not yet been patched by the current version of ArbOS. The Security Committee increased the gas required for activation to the theoretical maximum by calling ArbOwner.setWasmActivationGas(2^64 - 1), making new activations economically unfeasible. Activated Stylus contracts are unaffected and can continue to execute and renew, and the deployment and execution of Solidity contracts are also unrestricted.The newly added BoLD protection allows anyone to pause the settlement from Arbitrum One to Ethereum when two conflicting and accepted answers appear in the same dispute step, which may delay unconfirmed withdrawals to allow the Security Committee to deploy fixes. Officials pointed out that the currently discovered Stylus-related vulnerabilities mainly affect the activity of the chain, such as denial-of-service attacks, and do not jeopardize user funds.

According to CoinDesk, Hester Peirce, a commissioner of the U.S. Securities and Exchange Commission (SEC), has completed her term today. She served in the agency for over 8 years and voted against the committee's decisions to take enforcement actions instead of creating industry-compliant rules multiple times, and she was an early proponent of the token safe harbor proposal.Hester Peirce previously led the Crypto Task Force and stated that the SEC's duty to protect investors includes using regulatory authority to provide regulatory boundaries for the rapidly expanding digital asset industry.

The Hong Kong Securities and Futures Commission has included FNXAI token and 1FNXAI token in the list of suspicious investment products related to digital tokens.The Hong Kong Securities and Futures Commission stated that the related products claim that investors can automate trading of U.S. stocks and a range of financial instruments through an AI-driven trading platform to generate stable returns, and involve staking arrangements related to virtual assets.

According to The Defiant, the Solana ecosystem liquid staking protocol Marinade stated that its governance committee consecutively rejected two proposals within six hours, thereby preventing an attempt to take over the DAO.Marinade stated that this incident did not result in any funds being transferred, and its staking services were not affected.

The Financial Services Commission (FSC) of South Korea has announced a draft amendment to the regulations related to the institutionalization of Token Securities, planning to expand the range of securities that can be tokenized to include traditional securities such as stocks, bonds, and funds.According to the draft amendment, traditional securities can also be tokenized, except for fragmented investment securities (non-monetary trust beneficiary securities, investment contract securities).The relevant electronic securities regulations will also clarify the requirements for distributed ledgers, stipulating that participants must include electronic registration institutions and at least two account management institutions, and prohibit the use of distributed ledgers for direct payment of electronic registration purposes.

Federal Reserve Governor Lisa Cook stated that overall inflation in the United States has remained above the Federal Reserve's 2% target for more than five years. She supports a 25 basis point interest rate hike at the September meeting and emphasized her commitment to restoring price stability. Cook noted that inflation in rural areas had been higher than in urban areas after the pandemic, primarily influenced by rising energy prices and housing costs.

The two-day AI Summit (China·Chongqing Station) hosted by Star River has successfully concluded on September 29, 2026. Star River founder Jemmy, co-founders River He and Bison Liu attended the summit and engaged in in-depth discussions with the guests present.This summit focused on cutting-edge innovations in the AI industry, discussing the implementation of technology applications and the construction of industrial ecosystems. Several industry guests shared the latest practices and thoughts on the implementation of AI in the industry. DGrid AI participated in the topic discussions as a partner. DGrid AI is a decentralized AI intelligent reasoning network that provides developers with low-cost, verifiable AI multi-model calling services through a unified access layer, which attracted attention on-site.Participants engaged in in-depth discussions on topics such as the implementation of AI technology applications, the construction of developer ecosystems, and collaborative innovation in the industry, reaching multiple consensuses. The organizer, Star River, stated that it will continue to build industry exchange platforms in the future to promote AI technology innovation and industrial implementation.

According to Cointelegraph, former commissioner of the U.S. Commodity Futures Trading Commission (CFTC) Brian Quintenz stated at the Korea Blockchain Week 2026 that the Clarity Act is not the only way to achieve regulatory certainty for cryptocurrencies. The U.S. Securities and Exchange Commission (SEC) and CFTC can use their exemptions to fill this regulatory gap.

The White House announced the establishment of an independent committee responsible for overseeing the implementation of the artificial intelligence agreement and receiving reports from the operational control team as well as internal and external auditors and evaluators.

The Hong Kong Securities and Futures Commission announced that the licensed virtual asset trading platform DFX Labs Company Limited reported "dfx[.]cn", "dfxcn[.]com", and other four websites as fraudulent websites. The Hong Kong Securities and Futures Commission has listed the relevant websites as suspicious virtual asset trading platforms.

According to CNBC, James Comer, the chairman of the House Oversight Committee and a Republican Congressman from Kentucky, is expanding the investigation into insider trading in prediction markets and is requesting three online platforms to explain their measures to combat related activities.In a letter sent on Tuesday, Comer requested documents and information from the CEOs of Hyperliquid Labs, Crypto.com, and Aristotle Exchange Inc., which owns the PredictIt platform, asking them to clarify their identity verification procedures and how they identify and prevent insider trading on their platforms.Comer stated, "As online prediction platforms continue to evolve and become more mainstream, some bad actors are betting using non-public information, making thousands of dollars. The House Oversight Committee is investigating whether these platforms are fulfilling their legal obligations and taking sufficient measures to identify and prevent insider trading before it occurs."

According to Gate market data, U.S. stocks opened with the Dow Jones down 0.1%, the S&P 500 index up 0.13%, and the Nasdaq up 0.3%. Biopharmaceutical company uniQure fell 39% due to its Huntington's disease gene therapy's 48-month data not reaching statistical significance.Summit Therapeutics rose 19.2% after AstraZeneca proposed to invest $2 billion in collaboration to develop cancer drugs.

Verona announced the launch of verUSD on X, positioning it as the first stablecoin aimed at AI agents. The project claims that verUSD has secured over $100 million in institutional launch commitments.Participating institutions include Animoca Ventures, Figment Capital, Sfermion, Pentos Ventures, ArkStream, and others. Verona is a company providing on-chain payment and settlement infrastructure for AI agents, and verUSD is intended to serve as a stablecoin tool for value transfer and settlement between AI agents.

The Hong Kong Securities and Futures Commission announced that the licensed virtual asset trading platform DFX Labs Company Limited reported "dfx.cn", "dfxcn.com", and two other websites as fraudulent sites. The Hong Kong Securities and Futures Commission has listed the relevant websites as suspicious virtual asset trading platforms.

Anthropic released Claude Sonnet 5.5 this Monday, as an upgraded version of Sonnet 5 launched in June this year. The official statement claims that this mid-range model operates over 30% faster than the previous generation, excelling in clearly defined daily tasks, fixing defects, and creating documents, slides, and spreadsheets, while also possessing sharp design capabilities. Its pricing remains at $2 per million input tokens and $10 per million output tokens, which is half of Opus 5.5, and the token consumption per task is nearly one-third less than Sonnet 5.In the Terminal-Bench 4 test, Sonnet 5.5 scored 70.6%, higher than Opus 5.5's 66.4%, and Sonnet 5's score was only 10.3%. Results from the independent testing organization Artificial Analysis also show its lead, recording 63.6% and 59.6%, while OpenAI's GPT-6 Astra scored 59.1%. In the GDPval-AA assessment of real job performance across 44 occupational categories, Sonnet 5.5 received a score of 1844, which is roughly on par with Opus 5.5's score of 1846, while GPT-6 Sol scored 1487.

The Hong Kong Accounting and Financial Reporting Council (AFRC) announced the signing of a new Memorandum of Understanding with the Hong Kong Securities and Futures Commission, expanding regulatory cooperation beyond the oversight of financial reporting and related auditing work of listed entities.This includes the financial and compliance reporting of licensed corporations, SFC-licensed virtual asset service providers, SFC-recognized funds, and registered open-ended fund companies, as well as the related auditing and assurance work conducted by their auditors.

According to Digital Asset, Yoon Jong-joon, the digital financial policy officer of the Financial Services Commission (FSC) of South Korea, stated that they are considering introducing a market maker system for the virtual asset market to enhance market efficiency and stability. Although the current "Virtual Asset User Protection Act" prohibits market-making activities, this move indicates that the FSC intends to revisit and consider the introduction of this mechanism in the second phase of the legislative process.Yoon Jong-joon also mentioned that exchanges need to have sufficient capital and operational capabilities, and core functions (such as transaction execution, trading support, and abnormal trading monitoring) may shift from self-regulatory oversight to public regulation; governance rules related to major shareholders and management are expected to be strengthened; after the bill is enacted, it is expected to promote business diversification, the establishment of a trustworthy trading environment, a digital asset issuance and disclosure system, a Korean won stablecoin, and enhanced user protection, among other things.

According to CoinDesk, French Hill, the chairman of the U.S. House Financial Services Committee, stated that tokenization has shifted from being viewed as a "futuristic" concept during the discussions of FIT21 and the CLARITY Act to a reality that is happening in real-time.He said, "We may really be tokenizing an asset like a real security— in fact, we are doing that right now."

Hester Peirce, a commissioner of the U.S. Securities and Exchange Commission (SEC), announced she will resign on October 2. She published her resignation letter on social media platform X on Friday, revealing this date. Peirce is known in the industry as "Crypto Mom," having long advocated for clear rules for the crypto industry. During the tenures of Jay Clayton and Gary Gensler as chairmen, the SEC took a tough enforcement stance on crypto, while she continued to push for industry regulation. During the Trump administration, she was involved in rule-making and was appointed last year to lead the newly established SEC crypto working group.Her work in crypto encompasses policy statements and guidance on areas such as mining, staking, and meme coins, with the most important aspect being the classification and definition of various crypto assets to clarify regulatory jurisdiction. Recently, the SEC began proposing formal rules, the first being "Regulation Crypto Assets," which establishes a framework for issuing crypto assets that does not trigger strict securities regulation. The SEC also opened a path for tokenization of securities, known as "innovation exemptions," to initiate the era of securities tokenization with a five-year limited period.Peirce will become an associate professor at Regent University School of Law. After her departure, the SEC will have only two commissioners left, Atkins and Mark Uyeda, and the rules allow the two to constitute a quorum. On the same day, the SEC released a frequently asked questions document on crypto assets, addressing how to avoid triggering the "necessary managerial efforts" determination when marketing tokens, and discussing issues such as when staking receipt tokens and secondary markets are considered "promoters" of investment contracts.