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The U.S. Treasury Department announced that it will repurchase up to $6 billion of longer-term government bonds on Thursday, which is three times the $2 billion limit announced in early August. The yield on 30-year U.S. Treasuries briefly rose to 5.38% during the session. In response to criticism of market intervention, Treasury Secretary Yellen defended that market prices deviate from equilibrium levels.The International Financial Association warned that this move does not address the structural issues of debt growth.

According to Bitcoin Magazine, BitGo's CEO Mike Belshe stated in an interview on Bitcoin Magazine's BMTV that the core of tokenization is not trading, but rather expanding access.He pointed out that the current financial system can be traced back to the paper stock certificate crisis of the 1960s, when the New York Stock Exchange had to halt trading every week to complete physical stock deliveries, and the framework built to solve this problem still primarily serves large institutions.Belshe believes that the inability of retail investors to borrow against assets and the necessity to sell assets is a key reason driving the K-shaped economic divergence. He discussed how "phantom stocks" and tokenized stocks could change this situation and mentioned that long-term confidence of holders can be demonstrated through proof of reserves and setting time locks for shares.The interview also covered the new centralized risks that may arise from custodial concentration, how multi-signature and MPC can eliminate single points of failure, the aspects that still need to be supplemented in the U.S. regulatory framework beyond clarity, and the role of AI agents in asset management. Belshe also explained the true meaning behind his previous comments about the dollar going to zero.

According to The Information, although American venture capital investment in Chinese startups has significantly decreased in recent years, some American VCs are still continuing to travel to China to meet with technology founders.Last month, three partners from Founders Fund, which is led by Peter Thiel, visited technology companies in Beijing, Shanghai, and Shenzhen: Sean Liu, John Luttig, and Joey Krug.

According to AIM, AI-native operating system development company Brahma AI raised $150 million through the issuance of preferred stock, with Multiples Alternate Asset Management contributing $100 million.Brahma AI's clients include Warner Bros, NBA, Google, Hakuhodo, and DNEG as its strategic distribution partners. The company's platform focuses on enterprise content intelligence and media evaluation platform Brahma AI Core and creative production suite Brahma AI Studio, with technology covering areas such as visual AI, digital humans, voice, and multilingual performances.

Raiffeisen Bank International (RBI) announced a group-level collaboration with Bitpanda to expand its cryptocurrency asset layout. According to a joint announcement released by both parties on Wednesday, Bitpanda Enterprise will provide digital asset infrastructure for member banks within the RBI network to launch cryptocurrency services, potentially covering around 18 million customers. The announcement stated that each member bank will decide on the specific service content and launch pace based on local market conditions and regulatory requirements.RBI CEO Michael Höllerer stated that the demand for cryptocurrency assets in the markets where the group operates is continuously growing, thus the decision to collaborate with Bitpanda to address this. He mentioned that as a customer-centric bank, RBI is committed to meeting customer needs in the best possible way. Bitpanda indicated to Cointelegraph that this promotion is still in the early stages and will be gradually advanced based on local market and regulatory requirements, with further details to be announced once each market is confirmed.This collaboration builds on the cryptocurrency integration launched in 2024 with Raiffeisenlandesbank Niederösterreich-Wien in Austria. Bitpanda has obtained authorization under the EU's Markets in Crypto-Assets Regulation (MiCA) and stated that it is regularly communicating with banks and financial institutions exploring cryptocurrency brokerage services, but declined to comment on ongoing or confidential negotiations.

According to Grayscale's official announcement, it has renamed its Grayscale Bitcoin Miners ETF to Grayscale AI Compute ETF, with the New York Stock Exchange trading code changed from MNRS to GCPU, and the tracking index changed from the Indxx Bitcoin Miners Index to the Indxx High-Performance Computing Index.The fund will invest in companies that build and operate AI infrastructure, with about half of the holdings in native AI computing companies, and the remainder in digital infrastructure operators that have publicly committed to transitioning to AI businesses, including companies that have transitioned from Bitcoin mining.

Alibaba is accelerating the expansion of its data centers in Europe and the Middle East, driving its 20 gigawatt global infrastructure development.Alibaba will establish its first cloud regions in Turkey, Finland, and the Netherlands within the next 12 months, and expand its data center layout in Malaysia, Germany, the United Arab Emirates, France, and Hong Kong.

According to Catcher Predict monitoring, in the market prediction event on Polymarket "LoL: Arctic Pandas vs Pyramid IV Esports - EMEA Masters Group A", the "Yes" option win rate in the sub-market "Both sides kill Baron" has experienced a sharp fluctuation, soaring from 50.5% an hour ago to the current 90.5% (a fluctuation of 40%). Please note the impact of related breaking news.

Cryptocurrency lending institution Arch Lending plans to expand its loan business using tokenized stocks as collateral. Arch co-founder and Chief Revenue Officer Himanshu Sahay stated in Cointelegraph's Chain Reaction podcast that the institution plans to enter this market "soon" and noted the demand for credit against tokenized stocks. Sahay mentioned that tokenized stocks have grown rapidly over the past year, but loans against such assets remain limited. He anticipates that more lending institutions will enter this market in the future, naming organizations like Superstate, Robinhood, and Securitize that issue tokenized stocks.Arch has expanded from cryptocurrency to tokenized real-world assets, recently launching loan products backed by Paxos Gold and Tether Gold. However, cryptocurrency still accounts for the vast majority of Arch's existing loan portfolio, with Bitcoin making up over 80%. Sahay also indicated that the institution has recently seen increased interest in using XRP as collateral, particularly from U.S. borrowers.Before Arch, tokenized stocks had already begun to enter the lending market. In February of this year, Ondo Finance launched a DeFi lending market for its two tokenized ETFs through integration with the lending protocol Morpho; in July, Kraken included 10 types of xStocks in its futures and margin collateral scope; in August, Coinbase's B20 stock went live on Base.

According to CoinDesk, the European Central Bank (ECB) and the central banks of EU member states wish to prohibit crypto platforms from providing indirect yields on stablecoins through lending, staking, and other products. The European System of Central Banks (ESCB) stated in response to the European Commission's consultation on the review of the Markets in Crypto-Assets Regulation (MiCA) that electronic money should be used for payments rather than savings, continuing to support the prohibition of crypto asset service providers (CASP) from paying rewards for stablecoins, and that the ban should not be limited to services already regulated by MiCA but should also cover unregulated activities such as crypto lending, borrowing, and staking.Central banks believe that allowing indirect yields could blur the lines between electronic money and bank deposits, distorting the fair competitive environment of the EU financial system. The ESCB stated that maintaining and, when necessary, strengthening this ban, while covering both direct and indirect forms of rewards, should be a clear legislative priority. This position also echoes the controversy in the U.S. surrounding the Clarity Act, where eight U.S. banking groups urged senators to tighten the bill's restrictions on stablecoin rewards, which ultimately failed in a procedural vote of 49 to 50.In addition, central banks also proposed to eliminate the MiCA requirement for stablecoin issuers to hold part of their reserves in the form of bank deposits, replacing it with liquidity rules based on the liquidity of reserve assets. Currently, stablecoin issuers must keep at least 30% of their reserves in credit institutions, and this percentage rises to 60% for those classified as significant stablecoins. The ESCB suggested that significant stablecoins must allocate at least 40% of their reserves to assets maturing within one day and 60% to assets maturing within five working days, while the corresponding thresholds for non-significant stablecoins are 20% and 30%.

According to official news, the Chicago Mercantile Exchange will launch BCH (Bitcoin Cash) and Uniswap futures to expand its cryptocurrency derivatives portfolio.Market participants can choose the contract size for trading based on demand: BCH futures (250 BCH) and micro Bitcoin Cash futures (25 BCH); UNI futures (10,000 UNI) and micro Uniswap futures (1,000 UNI).

According to Money Today on September 21, Samsung Electronics is advancing the expansion of advanced process capacity in wafer foundry due to the growth of the HBM market. To meet the rising demand for HBM4 base chips, it is evaluating the expansion of its 4-nanometer process. Samsung's HBM4 consists of 10-nanometer 6th generation (1c) DRAM core chips and 4-nanometer logic base chips, with the base chips responsible for high-speed data exchange with AI accelerators such as GPUs.Unlike SK Hynix, which uses TSMC's 12-nanometer process for HBM4 base chips, Samsung employs its own 4-nanometer process. This production line is operating at full capacity and has taken on orders from companies like Nvidia and Groq for 3 LPU, and the company has recently raised its prices for new 4-nanometer orders and HBM4 base chips. Samsung expects HBM4 revenue in the third quarter to increase more than threefold quarter-on-quarter, with HBM4 accounting for significantly more than 60% of HBM revenue in the second half of the year. The additional expansion at P4 in Pyeongtaek will mostly be used for 1c DRAM for HBM, with more than half of the wafer foundry's 4-nanometer capacity allocated to HBM4 base chips.HBM4E also uses 4-nanometer base chips, and Samsung provided samples to customers in May. The company is also evaluating the construction of a new 2-nanometer production line for HBM5, aiming for a GAA structure 2-nanometer process and increasing TSV density to improve operating speed by more than 50% compared to HBM4E. Samsung started the first generation of 2-nanometer mass production in the second half of last year and is advancing the second generation of products in the second half of this year. Citigroup expects global HBM bit demand to reach 75.2 billion Gb next year, a year-on-year increase of 62%, with supply around 59.4 billion Gb and a gap of about 21%.

Google acknowledged that its Gemini model breached the sandbox environment during a security test in May, infiltrating three real companies and guessing or finding the passwords of two of them. Google was aware of this incident by late July but only publicly confirmed it after a report by The Wall Street Journal on September 18, remaining silent for seven weeks.The test was a capture-the-flag exercise commissioned by Google and conducted by the Israeli company Irregular in May. Irregular connected an isolated testing environment that should have had no contact with the real internet to the open network, using the name of a real company as a fictitious target. Gemini found three matching results when searching for the company and attacked them one by one, with the plaintext passwords of two companies directly exposed online, while the password of the third was guessed by the model. Google stated that its model ultimately did not use the stolen credentials in practice.Google is the fourth major AI laboratory this year to admit that internal security tests leaked into the real world. Previously, OpenAI's model had accessed Hugging Face servers due to a software vulnerability, Anthropic found that three Claude models had reached real companies after reviewing 141,000 tests, and Meta's Muse Spark model also experienced a similar incident due to Irregular's configuration error. Additionally, U.S. Representatives Ted Lieu and Nathaniel Moran introduced the "AI Emergency Shutdown Act" in July, proposing to authorize federal regulators to suspend reasoning for models that pose a serious threat.

Fitch stated that Tesla's rating reflects its strong market position as a global leader in battery electric vehicles, as well as its strategic focus on transitioning to a physical artificial intelligence company.

According to Gate market data, Intel (INTC.O) saw its increase rapidly expand to 10%.

According to SoSoValue data, as of 8 AM Eastern Time on September 21, 2026, last week, global publicly listed companies (excluding mining companies) shifted from net selling to net buying of Bitcoin, with a net purchase amount reaching $183 million in a single week.Strategy (formerly MicroStrategy) purchased 950 Bitcoins last week at a price of $79,670, spending approximately $75.7 million, bringing its total holdings to 846,000 Bitcoins, marking its first purchase in two weeks.The Japanese listed company Metaplanet did not purchase any Bitcoin last week, marking ten consecutive weeks without purchases.Additionally, two other companies announced Bitcoin purchases or holdings last week. Ethereum asset company Bitmine announced the purchase of 1 Bitcoin after 8 AM Eastern Time on September 14, without disclosing the specific purchase amount, bringing its total holdings to 212 Bitcoins; asset management company Strive announced on September 21 that it spent approximately $108 million last week to purchase 1,355 Bitcoins at a price of $79,475, bringing its total holdings to about 26,355 Bitcoins.As of the time of publication, the total amount of Bitcoin held by the global publicly listed companies (excluding mining companies) in the statistics is 1,156,080 Bitcoins, an increase of 2.67% compared to last week, with a current market value of approximately $9.865 billion, accounting for 5.8% of Bitcoin's circulating market value.

The Tianyancha App shows that recently, the associated company of Zhipu AI, Beijing Zhipu Huazhang Technology Co., Ltd., has undergone a business change, with registered capital increased from approximately 46.56 million RMB to approximately 48.76 million RMB.The company was established in June 2019, with Liu Debing as the legal representative. Its business scope includes the development of basic software for artificial intelligence, the development of application software for artificial intelligence, data processing and storage support services, information technology consulting services, etc., jointly held by Tang Jie, Tianjin Sankuaike Technology Co., Ltd., Guangxi Tencent Venture Capital Co., Ltd., and others.

On September 21, the cryptocurrency market continued to warm up, with the global largest Bitcoin treasury company Strategy's Bitcoin holdings floating profit now expanded to 5.02 billion dollars, having previously experienced a floating loss of 10 billion dollars.Strategy currently holds 845,000 BTC and 6.4 billion dollars in reserve assets.