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Digital asset company Tether announced that 15 Bitcoin mining companies, ASIC manufacturers, and mining pools have committed to jointly build and maintain the integration of its open-source mining development kit, MDK. MDK aims to unify the access methods of different mining infrastructures, supporting developers in building applications and AI automation systems.Participants will develop and maintain the MDK Worker, converting their respective hardware, mining pools, or system interfaces into a universal interface; there is no need to replace existing technology, and they can also decide which functions to open. Existing applications can access different mining environments through MDK. Tether's QVAC mining proxy has accessed mining infrastructure through MDK. Version 0.11 of MDK will be released at the Lugano Plan ₿ Forum, with the first stable version 1 planned for launch by the end of 2026.

According to market news, the cryptocurrency payment service provider RedotPay announced in a recent official announcement that it has acquired the Japanese cryptocurrency exchange BTCBOX, and will subsequently provide services compliant with Japanese regulations through BTCBOX. RedotPay does not have a license for cryptocurrency trading operators in Japan. The announcement acknowledged that its existing services aimed at Japanese residents do not meet local regulatory requirements and will be phased out and ultimately terminated.RedotPay has suspended new user registrations in Japan and has removed its app from the Japanese Apple and Google app stores. BTCBOX was established in 2014 and obtained its trading operator registration in September 2017. After a customer information leak occurred in January this year, BTCBOX suspended all services and began a phased recovery on August 3. RedotPay stated that it will provide funding and technical support for it.

Renowned trader Dr Profit posted on platform X, stating that whenever the price of Bitcoin (BTC) reaches the target range marked on his chart, it is an opportunity to further increase existing long positions.Dr Profit mentioned that he is currently adopting this strategy, believing that this price range should be viewed as a buying opportunity rather than a signal for panic selling.

According to Catcher Predict monitoring, in the prediction market Polymarket for the event "Japan Women's Open: Ann Lee vs. Ashlyn Krueger," the "Ann Lee" option in the sub-market "Japan Women's Open: Ann Lee vs. Ashlyn Krueger" experienced a drastic fluctuation in winning probability, plummeting from 52.5% an hour ago to the current 19.5% (a fluctuation of 33%). Please note the impact of relevant breaking news.

U.S. Senator Richard Blumenthal has launched an investigation into the payment of approximately $6.3 million by the stablecoin issuer Tether to the consulting firm Nxum. Nxum was co-founded by former White House cryptocurrency advisor Bo Hines, who holds one-third of the company's shares. On October 22, Blumenthal sent a letter to Tether CEO Paolo Ardoino, requesting the contracts between the two parties, cryptocurrency payment records, wallet addresses, and communication content.Tether is accused of paying Nxum $415,000 per month since May 2025 for strategic communications, lobbying, and public relations services. Blumenthal pointed out that Bo Hines, while serving as the executive director of the White House Digital Assets Advisory Committee, still held shares in Nxum and coordinated affairs with the company through encrypted communication applications. He also questioned whether Tether transferred cryptocurrency through the marketing company Notorious and then allocated funds to Nxum shareholders. Tether began directly contracting with Nxum after August 2025 and hired Bo Hines to oversee the newly established U.S. operations. Blumenthal has requested that Tether, Nxum, and related parties respond by November 6, noting that the relevant allegations have not yet formed a legal determination, and Tether has not publicly responded.

Hyperliquid Strategies has expanded its stock buyback program from $30 million to $100 million, with approximately $72 million remaining, and the deadline extended to October 31, 2027.The company's dashboard shows that it holds approximately 38.8 million HYPE, valued at about $2.96 billion.

According to a report by Reuters, as of Friday, 22 companies have submitted objections against listing their U.S. stocks in tokenized form on the tokenized stock platform OKXICE, jointly launched by OKX and the Intercontinental Exchange, the parent company of the New York Stock Exchange. The latest batch of companies opposing includes Wells Fargo, Arm Holdings, and Intuit, following Microsoft and Alphabet, the parent company of Google, who joined the opposition the previous week. Among the 22 companies mentioned, 16 are listed on Nasdaq, while only 6 are listed on the New York Stock Exchange.Nasdaq issued guidance in September regarding the U.S. Securities and Exchange Commission's innovation exemption mechanism, reminding issuers that "they must be cautious about their own participation," and stated that the consequences for liquidity, price discovery, and long-term shareholder value may not become apparent until the experiment has progressed for some time. Andrew Cuomo, co-chairman of OKXICE and former governor of New York, indicated that more objections are expected for the joint venture platform, as companies wish to avoid being among the first to test this stock model.Earlier this month, the joint venture platform submitted documents to the U.S. Securities and Exchange Commission, planning to provide tokenized stock listings for 62 companies. Cointelegraph sought comments on Intuit's decision to withdraw from the plan but did not receive an immediate response; spokespeople for Wells Fargo and Arm Holdings declined to comment.

Cboe Clear U.S., a subsidiary of the Chicago Board Options Exchange (CBOE), has received approval from the U.S. Securities and Exchange Commission (SEC) to expand its clearing business scope.

According to The Washington Post, based on data from the Federal Election Commission (FEC), the top 50 donors before the 2026 midterm election cycle have collectively contributed approximately $2.39 billion, with about $1.54 billion going to the Republican camp, about $590 million to the Democratic camp, and approximately $259 million to special interest groups.The cryptocurrency industry holds several positions among the major donors. Coinbase ranks 11th with approximately $57.7 million, while Gemini founders Cameron and Tyler Winklevoss have donated a total of about $55.3 million, placing them 12th; Ripple contributed about $49.6 million, and Foris Dax about $38.6 million. Among individual donors, Elon Musk leads with approximately $369 million, with his funds primarily directed towards super PACs and related organizations supporting Republican candidates.

According to Fortune, Robinhood Ventures Fund I announced today that it has completed an investment in Cognition, with a total investment amount of approximately 10 million dollars.Cognition was founded in 2024 and developed the first autonomous software engineer, Devin. Devin is capable of independently completing project planning, code writing, testing, and production environment deployment. By delegating repetitive engineering tasks to AI agents, engineers can focus more on architectural design, system planning, and complex problem solving.Currently, Devin has been deployed in some of the largest and most complex institutions globally, including Goldman Sachs, Citigroup, Wayfair, Mercedes-Benz, and Nubank. Recently, based on the current revenue level annualized, Cognition's revenue has exceeded 1 billion dollars.

The U.S. Department of the Treasury has released proposed rules for the implementation of the COINS Act, planning to further expand restrictions on foreign investments in sensitive technology sectors concerning certain "countries of concern." The current system primarily covers entities related to China, and the proposed rules aim to tighten restrictions in areas such as AI and semiconductors, extending the regulatory framework to more sensitive technologies and countries.In the field of AI, some investments that can still be made under the current rules after declaration are proposed to be further prohibited; in the semiconductor sector, high-bandwidth memory, photonic chips, and radiation-resistant chips are also included in the scope of stricter restrictions. Meanwhile, biotechnology has been added as a key regulatory area, involving directions such as brain-computer interfaces and automated laboratory software.

According to Fortune, Robinhood Ventures has invested 10 million dollars in the AI programming tool company Cognition. Earlier this year, Robinhood Ventures had already invested 75 million dollars in OpenAI.This reinvestment in Cognition signifies its multi-target layout strategy in the field of AI development tools.

The UK-listed company The Smarter Web Company, with the stock code SWC and a share price of 0.0219 USD, has purchased an additional 20 bitcoins, increasing its total holdings to 2850 bitcoins, ranking 30th among companies holding bitcoins.

The venture capital firm a16z published comments from co-founder Marc Andreessen on X regarding open-source AI. Marc Andreessen: If the only way for children to learn AI is to work at one or two companies, it would be hard for parents to accept.He also stated that in an open-source world, every child can understand how the relevant technology works. Without open-source, AI will inevitably be concentrated in one or two companies, or even directly in the hands of the government.Marc Andreessen also used the analogy of "government sushi," asking people to imagine "government AI," and stated that open-source is a safeguard to ensure this scenario does not become a reality in the future.

Goldman Sachs Group data shows that, affected by the stock market sell-off, global hedge funds have experienced the broadest decline since the COVID-19 pandemic. All three major stock strategies fell more than 1% on the same day.As of Thursday's close, global fundamental long-short strategy funds fell by 1.4%, while funds focused on telecommunications, media, and technology sectors averaged a decline of 2.7%. Global systematic long-short strategy funds fell by 1.3%, and multi-strategy platforms fell by 1.9%.

AI video startup Higgsfield Inc. announced that it has received investments from NVIDIA and TCV. This round of financing will be used to support global infrastructure development and talent recruitment. The company is headquartered in San Francisco, with its engineering team primarily located in Kazakhstan.This financing is a follow-up extension to the Series B funding in August, during which it raised $400 million, bringing the company's valuation to $5.4 billion.

According to Glassnode's latest on-chain weekly report "Swept and Refilled," Gate has performed outstandingly in the tokenized gold spot and perpetual contract markets, with its position size and trading volume market share continuously increasing.The report indicates that since the beginning of 2026, Gate has contributed 42% of the net increase in the global tokenized gold perpetual contract open interest, surpassing all other tracked exchanges. At the same time, Gate's 7-day average position size for tokenized gold perpetual contracts corresponds to a gold exposure of 1.7 tons, ranking first in the world, ahead of OKX's 1.5 tons.In the spot market, Gate's market share of tokenized gold spot trading volume surged from 0.6% in 2024 to 12% so far in 2026, expanding to 20 times its original size. The report also notes that as market share continues to grow, Gate has become one of the most prominent trading platforms for the growth of tokenized gold spot market share this year. The simultaneous expansion of the spot and derivatives markets further reflects Gate's market competitiveness and growth potential in the field of tokenized gold trading.

FORT Robotics, Inc., dedicated to developing a "Physical Artificial Intelligence Trust Layer" security platform, announced that existing investors have committed to an additional investment of approximately 20 million dollars. Among them, Tiger Global led a financing round of about 10 million dollars (Mark Cuban Companies also participated), and this round of financing is expected to be completed this week.In addition, Tiger Global has also committed to invest 10 million dollars in the previously announced common stock PIPE (Private Investment in Public Equity); this PIPE is expected to be completed concurrently with the proposed business combination of FORT and Newbury Street II Acquisition Corp (NASDAQ: NTWO). Including the previously announced PIPE commitments, as of today, the total committed capital related to the proposed business combination with FORT has exceeded 50 million dollars.

According to the Korea Herald, global investment bank Barclays plans to cut 5,000 jobs, about 5% of the company's total positions, while expanding the application of artificial intelligence. This includes 1,000 positions already cut in the first half of this year, with 60% of the layoffs coming from support departments such as developers. Barclays CEO Venkat Krishnamurthy stated in a conference call that the company will apply AI on a large scale, and said, "AI is not the cake, but the frosting on the cake."Previously, Barclays announced a cost-cutting plan in February, but some investors reacted negatively to the scale of costs shown in its semi-annual report. Among peers, HSBC is considering cutting up to 20,000 jobs over the next few years, while Standard Chartered plans to reduce support department positions by more than 15% by 2030.

According to TechCrunch, the American AI wearable device startup Nirva announced the completion of a $25 million Pre-A round of financing, bringing the total financing amount to $33 million.Specific information about the investors has not been disclosed. Nirva was founded in 2025 by former Meta Reality Labs employees Wei Lyu, Jason Chen, and Hanying Hu, focusing on a sustainable AI pendant that listens to the wearer's conversations. The device collects voice samples during the setup phase to identify the wearer and filter out the voices of other speakers nearby. The company claims that audio and transcribed text are deleted by default after processing, but it is unclear whether the voice processing is done locally or in the cloud.