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The U.S. Commodity Futures Trading Commission (CFTC) is once again investigating the prediction market platform Polymarket to determine whether it has violated the 2022 settlement agreement, focusing on whether it has taken adequate measures to prevent U.S. users from accessing the main overseas platform. This review is part of a broader investigation initiated by the CFTC earlier this year, involving user geographic location identification mechanisms, advertising activities in the U.S. market, as well as the customer account opening processes and protective measures of U.S. platforms.According to the 2022 settlement agreement, Polymarket agreed to cease providing services to U.S. users. In 2024, the CFTC and the U.S. Department of Justice conducted investigations, which concluded in 2025 without any charges being filed; thereafter, Polymarket gradually returned to the U.S. market through the acquisition of a licensed derivatives exchange. Polymarket previously stated that it has strengthened geographic restrictions, prohibiting circumvention through methods such as VPNs, and established monitoring mechanisms. There is currently no information indicating that the CFTC has filed formal charges regarding this investigation.

The prediction market platform Polymarket announced the addition of 5-minute cryptocurrency contracts in the U.S. version of the app. This feature initially supports BTC, ETH, SOL, and XRP markets.Contract prices use pricing data from CF Benchmarks. According to the rules, ties will be settled as "Up," and the taker fees will be charged separately from the bid-ask spread.

The Hong Kong Monetary Authority issued a notice disclosing that it has received a large number of public inquiries regarding fraudulent activities involving counterfeit digital Hong Kong dollar projects. The related scam agreements claim to convert loans into digital Hong Kong dollar assets, deceiving the public into signing agreements. The Monetary Authority sternly clarifies that the related fraudulent agreements and lending projects have absolutely no connection with the Monetary Authority and emphasizes that it will not contact citizens regarding personal financial matters or conduct fund transfers.All institutions participating in the "Digital Hong Kong Dollar" pilot program and other sandbox programs under the Monetary Authority will not raise funds from the public or provide financial management and investment products in the name of the related programs. The Monetary Authority has reported the incident to the Hong Kong Police and reminds the public to verify relevant information through the Monetary Authority's official website. If personal information has been provided to suspicious websites or applications, or if there is a suspicion of being deceived, one should immediately contact the police or the Information Center of the Criminal Headquarters of the Hong Kong Police Force.

The Ethereum institutional privacy technology organization EthSystems announced the completion of formal verification for its privacy pool (shielded pool), ranging from written specifications to the bytecode running on the Sepolia test network. The verification used different tools in layers: models, circuits, and hashes with Lean; contracts with Halmos and Kontrol; wallets with Aeneas and Verus; and validators and deployment verified through byte-by-byte reconstruction.Double spending and value conservation have been verified by the Lean theorem prover. During the verification, a total of 6 issues were discovered, 3 of which were found in the verification tools themselves. The team also listed the assumptions that still rely on: hash collision resistance, validators rejecting forged proofs, and contract behavior being consistent with the model.

According to NPR, the prediction market platform Polymarket has launched an investigation into dozens of bets related to the U.S. midterm elections on November 3, focusing on potential insider trading and market manipulation. Sources say that at least two cases have been submitted to the U.S. Commodity Futures Trading Commission (CFTC).Shana Bautista, Polymarket's Global Intelligence and Investigations Director, stated that the company has formed a 16-person team and deployed a new election trading monitoring system that generates hundreds of risk alerts daily. The monitoring scope includes U.S. compliant platforms that require identity verification, as well as international platforms that allow anonymous cryptocurrency trading.The system integrates analysis of social media, data from the U.S. Federal Election Commission (FEC), cryptocurrency trading records, information from banking partners, and statistical models to identify abnormal accounts and trading patterns.

According to Bitcoin.com News, the Spanish National Guard discovered that digital wallets associated with the now-defunct cryptocurrency platform Arbistar continued to make large Bitcoin transfers after the platform's collapse. The investigation revealed that approximately 881 Bitcoins were transferred to external wallets when the platform collapsed in September 2020; from January to March 2021, wallets linked to the main defendants saw a total inflow and outflow of over 20,000 Bitcoins, valued at over $1.1 billion based on Bitcoin prices as of March 31, 2021.Spanish authorities classified the platform as a Ponzi scheme affecting up to 32,000 investors, with prosecutors stating in 2020 that approximately $1 billion of investor funds were unaccounted for. Founder Santiago Fuentes Jover and partner Diego Fernández Nojarova were sentenced to 16 and 11 years in prison, respectively.

The chief economist of the American asset management firm Apollo, Torsten Sløk, released five charts, believing that AI has not yet brought significant financial returns to large American companies outside of the tech giants. The per capita revenue and profit margins of the seven tech giants continue to rise; excluding them, the 493 companies in the S&P have seen these two metrics remain basically stagnant, and the data on total factor productivity in the U.S. has not shown significant signs of AI-driven growth.Apollo cited data from the corporate payment platform Ramp, stating that among its clients, the top 10% of companies by spending contributed 99.5% of the model hosting and inference costs. Among the top 1% of companies with the highest AI spending, about 80% have venture capital backgrounds; for companies at the median spending level, this ratio is only 13%. A large amount of AI computing power consumption is concentrated in a few companies, many of which rely on venture capital support.Previous statistics from Apollo indicated that during the second quarter earnings season of 2026, 69% of S&P 500 companies had disclosed that they were actually using AI, but only 2% reported metrics for ongoing tracking of effectiveness. Another NBER study updated in October this year surveyed nearly 9,000 corporate executives from seven countries, with respondents estimating that over the past three years, AI has only improved the annual growth rate of labor productivity in companies by about 0.2 percentage points.

Seoul police arrested 7 suspects accused of using generative AI to launch hacking attacks. The Seoul Metropolitan Police Agency stated that about 90 organizations were involved, collectively stealing 8.2 million records, marking the first large-scale arrest of suspects in AI-assisted hacking attacks in South Korea. The targeted victims included hospitals, universities, private tutoring centers, golf courses, and subsidiaries of large corporate groups, all of which held a significant amount of personal information, including names, contact details, and records of ordinary citizens. One funeral service company lost 1.22 million records, and reports indicated that the tutoring center's data also contained information on minors.According to local media reports, the main suspect, 32 years old, studied arts and sports and has no IT background. He told investigators that he self-taught hacking techniques through YouTube and online blogs, while police pointed out that he had worked in a security company conducting simulated attacks from 2019 to 2022. He initially used website vulnerability scanning tools and later introduced AI coding proxies and an automated penetration testing system called Artex at the end of August. Police stated that he hacked into 60 companies over a span of 44 days from August 31 to October 13.The entire attack operation lasted about 13 months, from September 2025 to this October, and the case was filed in June after a victim reported it. Police indicated that such a large-scale attack previously required a hacker group to accomplish, but AI now allows one person to achieve this in a short time. The suspect sent emails to 38 victims, collectively extorting 360 million Korean won, approximately 272,000 US dollars, but the only confirmed payment was 300,000 won, about 210 dollars. The main suspect was detained and transferred to prosecutors last Friday, facing charges of violating South Korea's Information and Communication Network Act, as well as extortion and attempted extortion. Police will continue to investigate the other 6 accomplices and confirm more victims, with 15 institutions already reporting damages.

According to Polygon, the Miden partner mainnet is now live and connected to Polygon's cross-chain aggregation layer Agglayer, which can access the liquidity of the entire blockchain ecosystem.Miden officials also announced that the network is operational on the partner mainnet.

The U.S. SEC filings show that SpaceX has signed a binding primary financing lease commitment with Apollo Global Management.According to the agreement, Apollo will purchase GPU clusters and related equipment and lease them to SpaceX, with the total principal payments under the related lease arrangements expected to reach $40 billion.

Kimi officially posted on X, apologizing for the usage frequency limits and unnecessary quota consumption of the K3.1 Pro subscription plan, acknowledging that the issue was caused by the platform itself and should have been resolved earlier.Kimi will perform a one-time quota reset for all subscription plan users, restoring usage equivalent to 25% of the total monthly quota, which is approximately one week's quota; if the current used quota is less than 25%, the used amount will be reset to zero. The relevant adjustments will be reflected in the usage progress bar before the end of the day in Pacific Standard Time.Kimi has adjusted the subscription plan parameters and will reduce unnecessary sub-agent calls and output length to lower quota consumption.

Apollo Global Management's Chief Economist Torsten Slok stated that despite companies investing heavily in artificial intelligence, AI has not yet brought tangible returns to U.S. businesses outside the technology sector. Slok pointed out that the per capita income of employees in 493 companies in the S&P 500 index remains flat, and corporate profit margins have not seen growth.

According to monitoring by Arkham, the address marked as the Polygon multi-signature wallet "0xFA5" has transferred a total of 52,928,000 POL to the staking contract address, valued at approximately 4.82 million USD.Market analysis suggests that the recent increase in Polygon staking activities is related to the rise in APY, which may also provide some support for POL and alleviate its downward price pressure.

According to Dune data, the nominal trading volume of cryptocurrency-related event contracts on Kalshi and Polymarket reached $2.7 billion last week, setting a new historical high. Among them, Bitcoin short-term fluctuation contracts were particularly active, with Kalshi's 15-minute Bitcoin price prediction contracts seeing single transaction volumes exceeding $1 million. Some traders even used trading bots to seize opportunities just seconds before the contracts expired.Currently, cryptocurrency has become the second largest trading category on the two platforms, second only to sports. Cryptocurrency trading platforms such as Coinbase, Crypto.com, Gemini, and Kraken are expanding their businesses by applying for relevant licenses or collaborating with prediction markets. Meanwhile, the decline in spot trading volume on centralized exchanges has also prompted crypto platforms to seek business diversification. However, as multiple states in the U.S. have raised legal challenges against sports prediction contracts, the direction of related regulations may also impact industry development.

The International Criminal Police Organization stated that Operation Serengeti III took place from June 29 to August 31, 2026, across 21 countries, resulting in the arrest of 1,462 suspects, the dismantling of 10,909 malicious networks, and the recovery of over 105 million dollars in illegal funds. The investigation also confirmed that 65,929 victims were attacked by cybercrime gangs, with related losses exceeding 385 million dollars.This operation focused on combating online fraud, ransomware, business email compromise, online scams, and digital extortion. In specific cases, the Ugandan police dismantled two transnational fraud gangs and arrested 365 foreign nationals; Angola seized two illegal cryptocurrency mining centers, arrested 9 individuals, and confiscated over 2,000 mining machines; in Nigeria, another case involved over 2.4 million dollars in suspected criminal proceeds, a significant portion of which was laundered through cryptocurrency transactions.