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According to The Wall Street Journal, OpenAI has canceled plans to release a new artificial intelligence model due to safety concerns.

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.

Goldman Sachs has connected its approximately $100 billion government bond fund FTIXX to the digital asset settlement network Lynq, providing a new subscription channel for institutional-level crypto companies. The fund will be listed on Lynq, with trading handled by tZERO Securities, a broker-dealer registered with the U.S. Securities and Exchange Commission. This is the first external fund introduced to the Lynq network, which previously only had a single investment product.Unlike most blockchain-based fund products on Wall Street, FTIXX has not been tokenized. BlackRock's BUIDL is a tokenized fund, and Franklin Templeton offers tokenized shares of money market funds through BENJI, while Goldman Sachs retains the traditional fund format of FTIXX, with Lynq opening new access channels for digital asset companies. Lynq CEO Jerald David stated that there is a convergence occurring between traditional market participants and digital asset market participants.For institutions using Lynq, FTIXX provides a place to store cash and earn returns during trading gaps, redeemable when needed. David mentioned that clients have been looking for government bond assets on the platform that offer yields different from existing tools. Lynq's partners include B2C2, Wintermute, Galaxy, FalconX, Crypto.com, and Fireblocks. The network operates on a private permissioned Avalanche Layer 1 blockchain and has connected over 30 institutional digital asset companies, with assets exceeding $89 million.

According to Saudi media outlet Hadass, sources say that Iran has agreed to stop uranium enrichment in exchange for the United States easing sanctions.

The yield on the U.S. two-year Treasury note reached 4.952%, the highest level since May 2024.

AMC CEO Adam Aron posted on the X platform again naming Robinhood CEO Vlad Tenev and Chief Legal Officer Dan Gallagher. He stated that Robinhood had previously expressed support for the U.S. Securities and Exchange Commission (SEC) regarding the tokenization of U.S. stocks, believing that tokenized stocks should have voting rights and that companies should have the option to opt-out.Adam Aron also pointed out that it would be very "hypocritical" if Robinhood did not apply the same principles in its overseas operations, and he urged them not to go against the SEC's stance, "do not openly disrespect and provoke the SEC."

According to SoSoValue data, as of 8 AM Eastern Time on September 28, 2026, the total net purchase of Bitcoin by global listed companies (excluding mining companies) for the week was $239 million, an increase of 30.4% compared to last week.Strategy (formerly MicroStrategy) purchased 1,665 Bitcoins last week at a price of $85,681, spending approximately $143 million, bringing its total holdings to 847,666 Bitcoins.The Japanese listed company Metaplanet did not purchase any Bitcoin last week, marking eleven consecutive weeks without a purchase.In addition, three other companies announced Bitcoin purchases or holdings last week. The French Bitcoin company Capital B announced on September 28 that it purchased 13 Bitcoins at a price of $85,693.40, bringing its total holdings to 3,538 Bitcoins; asset management company Strive announced on September 28 that it spent approximately $94.53 million last week to purchase 1,107 Bitcoins at a price of $85,396, bringing its total holdings to approximately 27,462 Bitcoins.As of the time of publication, the total amount of Bitcoin held by the listed companies worldwide (excluding mining companies) is 1,159,755 Bitcoins, an increase of 0.32% compared to last week, with a current market value of approximately $9.674 billion, accounting for 5.7% of Bitcoin's circulating market value.

Capital Economics believes that the sell-off of U.S. Treasuries is mainly due to changes in market expectations for interest rates in the near term. Economist James Reilly pointed out that the 10-year U.S. Treasury yield is close to its 2007 peak, reflecting rising oil prices and a strong U.S. economy, rather than being driven by AI bond issuance or fiscal concerns. Reilly expects the 10-year U.S. Treasury yield to fall to 4.25% by the end of 2027.

On Monday, the oracle network Chainlink released the cross-chain interoperability protocol CCIP 2, making significant upgrades to its communication and cross-chain bridge infrastructure. The new version allows enterprises to add their own security verification checks on top of Chainlink's default network of 16 independent node operators. Enterprises can run their own validators or hire external service providers such as Infosys and Nethermind. Chainlink stated that users should not be forced to become "cross-chain security infrastructure experts."This upgrade comes about five months after the Kelp DAO was hacked in April of this year. The attackers are reportedly linked to the North Korean Lazarus group, stealing approximately $292 million in rsETH by deceiving the single validator relied upon by the Kelp cross-chain bridge, which operates on LayerZero. LayerZero blamed Kelp for using only a single validator, while Kelp stated that LayerZero employees had reviewed its setup and raised no objections. Kelp subsequently announced that it would migrate rsETH to Chainlink.The upgrade also adjusts the security mechanism that Chainlink had previously heavily promoted; its risk management network will no longer operate as an independent review node, with such independent checks now provided by optional validators. This means that users who have not added any validators currently rely on a single validation network, whereas previously they relied on two. Existing Chainlink users have been automatically migrated to the new version, but the company has not disclosed which institutions are using the new validators, only stating that Aave and Maple have begun adopting other features of the upgrade.

According to PR Newswire, Ethereum treasury company BitMine increased its holdings by 17,362 Ethereum last week, with total ETH holdings surpassing 6 million for the first time. As of September 27, 2026, its total Ethereum holdings reached 6,001,302, accounting for approximately 4.9% of the total Ethereum supply, with uninterrupted weekly increases since the launch of the ETH treasury strategy on June 30, 2025, in less than 15 months.Currently, the total value of cryptocurrencies, cash, and other investment assets held by BitMine is approximately $17.2 billion, which includes $672 million in cash and securities, 213 Bitcoin, $180 million in equity assets from Beast Industries, and a $115 million investment in Eightco Holdings (ORBS). In addition, the number of staked Ethereum remains at 5,067,309 (84% of total holdings), valued at approximately $13.7 billion, with a current annualized staking yield of about $358 million.Tom Lee stated in the company's weekly report that so far in the third quarter, ETH has outperformed the S&P 500 by over 6,728 basis points, making it the best macro asset globally; he believes that the crypto bull market began in late June, and institutions are currently underweight in crypto assets, expecting to significantly increase their holdings in the last few months of 2026. Additionally, Lee will deliver a keynote speech at the Korea Blockchain Week (KBW) on September 30.

According to monitoring by Onchain Len, Huang Licheng has opened a leveraged long position of 99.7 BTC (approximately 8.31 million USD) at a price of about 83,007 USD multiple times, and the current floating profit of this position is about 34,900 USD, with the total amount of open long positions rising to approximately 127.33 million USD.The current unrealized profit and loss of this position is -43,800 USD, and its historical cumulative profit and loss is -29.22 million USD.

According to Globenewswire, Nasdaq-listed DeFi Development Corp. (DFDV) announced that since September 21, it has increased its holdings by approximately 47,706 SOL, bringing its total SOL and SOL-equivalent holdings to about 2,538,010, currently valued at approximately $309 million.This increase has resulted in a week-over-week growth of about 2% in its SOL holdings, and a growth of about 10% since the release of its second-quarter financial report on August 12, during which it has cumulatively added over 226,000 SOL. The company stated that it will continue to raise funds through channels such as the recently established $300 million CHAD ATM to continue increasing its SOL holdings.

Matt Cole, the CEO of Bitcoin Treasury Company Strive, announced that the company spent $94.5 million to acquire 1,107 BTC at an average price of $85,396 per coin, increasing its total Bitcoin holdings to 27,462 coins.In addition, it obtained $12.4 million in funding through warrant exercises; after accounting for this funding, 85% of the total capital raised by Strive comes from SATA.

According to the 8-K document submitted by Strategy to the SEC, the company purchased 1,665 bitcoins at an average price of approximately $85,681 from September 21 to 27, 2026, totaling about $142.7 million.During the same period, the company sold 1,469,200 shares of MSTR common stock through its ATM program, raising approximately $246.2 million, of which $142.7 million was used to purchase bitcoins and $103.5 million was used to repurchase STRC preferred stock; additionally, $151.7 million was used to repurchase 1,534,500 shares of STRC preferred stock (of which $103.5 million came from ATM fundraising and $48.1 million from USD Cash), leaving a remaining balance of approximately $723.5 million for the preferred stock repurchase program.As of September 27, Strategy held a total of 847,666 bitcoins, with a total holding cost of approximately $63.95 billion, at an average price of about $75,437. The balance of USD Reserve is $5.02 billion, and the balance of USD Cash is $1 billion.

NVIDIA (NVDA.O) announced an increase in the stock repurchase authorization scale by $150 billion.

According to Ark Invest Tracker, Ark Invest states that AI hacking attacks are affecting everything. The risks go far beyond Bitcoin, as AI makes software vulnerabilities easier to discover and exploit.Bitcoin and hardware wallets may be the first to be impacted, but social media, tax, and banking websites may also face the same threats. Trusting a big brand still means trusting that the company will not make mistakes as AI becomes increasingly powerful. ARK expects that large custodial institutions will also become targets, with AI potentially discovering and exploiting vulnerabilities at an unprecedented speed.

On September 28, according to Gate market data, the yield on the U.S. 10-year Treasury rose to 5.234%, the highest level since mid-2007. The yield on the 30-year Treasury rose to 5.542%, the highest level since 2004.This indicates that the market's pricing of long-term risks has significantly increased, with heightened concerns about inflation stickiness, the Federal Reserve maintaining high interest rates, and the sustainability of massive fiscal deficits and debt. The long-term borrowing costs for governments, businesses, and consumers are pushed higher, which typically suppresses stock market valuations and tightens global financial conditions, potentially restraining economic growth.

According to on-chain analyst Yu Jin's monitoring, a certain whale opened a long position of 20,000 ETH at a price of $1,936 when this round of market began, currently with an unrealized profit of $14.06 million.This whale increased its short position in BTC, opening a short of 650 BTC at a price of $84,057, valued at $53.68 million, currently with an unrealized profit of $950,000.

According to Bloomberg, China has expanded overseas travel restrictions for top AI private sector talent to include their family members. Sources say that for executives of AI companies deemed critical to national security, their immediate relatives such as spouses and children must obtain official approval in advance even for short-term trips abroad. Relevant departments have begun notifying affected individuals and will gradually enhance the list of restrictions on AI talent leaving the country. The Ministry of Industry and Information Technology of China did not respond to requests for comment.Previously, China's new "Regulations on Exit and Entry Administration" took effect on September 15, which imposes exit restrictions on individuals suspected of endangering national industrial and technological security. Reports indicate that concerns over the outflow of key technologies and talent intensified after Meta attempted to acquire Manus for $2 billion, ultimately leading to an order to cancel the deal and requiring certain tech companies to refrain from accepting U.S. capital investment without approval.

According to reports from the Financial Associated Press, Tianyancha shows that Hangzhou Yushu Robotics Co., Ltd. recently underwent a business change, with its registered capital increasing from 100,000 RMB to 25.1 million RMB, an increase of 25,000%.The company was established in April 2019, with Wang Xingxing as the legal representative. Its business scope includes software development, software sales, and research and development of intelligent robots, and it is wholly owned by Yushu Technology Co., Ltd.