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Flash

Wintermute: BTC ETF sees its first net outflow since June, as the market awaits the Federal Reserve's interest rate decision

According to Wintermute OTC trader @Jjay_dm, the BTC ETF experienced a net outflow of $463 million, marking the first negative value since the low in June, with ARK and Grayscale accounting for a combined outflow of $371 million, while BlackRock remained flat. As a result, BTC fell 4.4% over the week, closing at $76,838, making it the worst-performing asset, while Ethereum dropped 1.5%, and altcoins overall rose by 1%.On a macro level, the U.S. August CPI recorded a month-on-month increase of 0.4% (core 0.3%), higher than the expected 0.2%, and the PPI annual rate reached 5.4%, prompting Goldman Sachs to change its September forecast from "hold steady" to "raise interest rates." The market's expectation for a 25bp rate hike on Wednesday has risen to 87%. Meanwhile, the situation in the Middle East continues to escalate, with Brent crude oil surpassing $105 per barrel, and the 10-year U.S. Treasury yield hitting a 20-year high.Wintermute stated that after the ETF fund outflow turned negative, it tends to hold a neutral rather than bullish stance on the market. This week has two key events: ① On Tuesday, the U.S. Senate will conduct a procedural vote on the CLARITY Act (the cryptocurrency market structure bill), which requires 60 votes to pass; ② On Wednesday, the Federal Reserve will announce its interest rate decision, with the rate hike itself already priced in, but subsequent hawkish statements (especially signals regarding continued rate hikes in the first quarter of 2027) may pose downward pressure on the cryptocurrency market.

first_img XRP Ledger upgrade Batch V1.1 is just one vote away from activation

The Batch V1.1 upgrade for the XRP Ledger is just one vote away from initiating the activation process. The RippleX team has fixed 11 software defects in the latest review. The Batch feature allows users to combine up to eight related transactions into a single operation, ensuring that both parties complete the transfer simultaneously when two people exchange tokens, thus avoiding the situation where one party pays while the other fails.In Tuesday's snapshot, the upgrade received support from 27 out of 35 trusted validators, accounting for approximately 77%, while changes to the XRP Ledger require an 80% support rate. Therefore, currently, one validator's vote can determine success or failure, and obtaining one more vote will initiate a two-week activation countdown. The support rate must remain above this threshold for 14 days, during which validators can change their votes.Previously, researchers discovered vulnerabilities in the original Batch proposal, allowing attackers to initiate transactions using others' accounts without authorization under specific conditions; this version was not deployed on the mainnet. The new version was released with xrpld 3.3.0 on August 6, and the latest review found 11 issues related to signatures, authorization checks, and server crashes. Among these, a serious vulnerability rated by the security company Common Prefix could allow attackers to reuse user signature permissions to execute transactions beyond expectations. RippleX stated that the review involved four senior engineers, audits from Halborn and Common Prefix, public security competitions, and automated testing, and mentioned that commercial projects using Batch have been signed or are in development.

first_img TSMC 3/2 nanometers and CoWoS remain tight, AWS and MediaTek's capacity allocation has changed

As we enter the late third quarter of 2026, TSMC's 3nm and 2nm advanced process and CoWoS advanced packaging capacity continue to be in high demand. NVIDIA and Apple continue to dominate the resources for advanced processes and packaging; Amazon AWS's Annapurna has recently increased its AI self-developed chip production, securing more 3nm capacity. MediaTek, in addition to mobile chips, is also competing for 2/3nm process and CoWoS-S/L capacity with large orders related to Google TPU.There are reports that TSMC has recently readjusted its capacity allocation. After MediaTek secured a large order from Google TPU, the next-generation TPU v9 will simultaneously use TSMC's CoWoS-L and Intel's EMIB-T, which has slightly adjusted MediaTek's 3nm and 2nm capacity arrangements. Currently, TSMC's main customer for 3nm is NVIDIA, which is expected to surpass Apple to become the largest customer by 2025; the demand for 2nm is primarily from Apple and others. After AWS increased Annapurna's production, its 3nm and CoWoS configuration priority has improved.Starting in early 2026, TSMC will accelerate capacity expansion, with the 2nm monthly capacity of Hsinchu Baoshan Fab 20 and Kaohsiung Fab 22 reaching 50,000 wafers each by the end of October, totaling about 100,000 wafers; by the end of October, the monthly capacity for 3nm in Tainan Science Park is about 185,000 wafers. As of the end of September, the overall capacity utilization rate is about 96.2%, with 100% utilization for processes below 16/12nm down to 2nm. The shortage of CoWoS supply has driven advanced packaging orders to overflow, with the priority for orders going to ASE Group's Siliconware Precision Industries first, followed by Amkor, and Chipbond, among others. Chipbond's related testing and packaging capacity is fully loaded, with order visibility extending to 2028.

first_img TSMC accelerates its layout in CPO, and the industry is optimistic about forming a new Moore's Law

According to Taiwan's "Commercial Times" report on September 14, as the computing power of GPUs and ASICs continues to rise, traditional copper interconnects are gradually approaching the limits of power consumption and signal transmission. TSMC is accelerating its layout for co-packaged optics (CPO). The industry is optimistic that if CPO bandwidth continues to double every two years, it may form the "CPO Moore's Law" of the AI era. Industry analysis indicates that the upgrade of CPO bandwidth mainly has three paths: including increasing single-channel speed from 200G to over 400G, expanding the number of optical channels from 16 to 32, 64 or more, and introducing wavelength division multiplexing (WDM). By 2040, the theoretical value could reach about 128 times the current level, with long-term potential for development towards hundreds of T based on the current level of about 3.2T.TSMC's role in optical interconnects has extended from wafer foundry to system integration, gradually integrating computing, HBM memory, and high-speed I/O from 3DFabric, CoWoS, SoIC to silicon photonics and CPO. When high-speed electrical signals exceed 200G, signal attenuation increases after passing through longer copper paths such as ABF substrates, PCBs, and connectors, leading the industry to develop shorter copper paths and longer optical paths. In terms of packaging architecture, the optical engine is currently laid out on the substrate, and the next step is expected to place CPO in the intermediary layer, with future possibilities of using SoIC technology to achieve 3D vertical integration of photonic integrated circuits (PIC) and ASICs. Industry players indicate that CPO still needs to overcome challenges in packaging, optical coupling, and testing before mass production can be achieved.

first_img Zodia Custody CEO Julian Sawyer stepped down and transitioned to a strategic advisor

Institutional digital asset custodian Zodia Custody's CEO Julian Sawyer announced his resignation and will take on the role of strategic advisor. In a memo sent to employees on September 10, Sawyer stated that Standard Chartered Bank's acquisition of Zodia Custody's custody business and the establishment of Zodia Solutions provided an appropriate time for him to hand over daily leadership responsibilities, and he will continue to be closely involved in company affairs.According to the memo, Zodia Custody's Chief Revenue Officer Richard Clark will lead the company’s transition to Standard Chartered Bank and will be responsible for the custody business; current executives Craig Perrin and Anoosh Arevshatian will be responsible for the establishment of Zodia Solutions. A spokesperson for Zodia Custody confirmed this personnel change. Zodia Custody is an institutional-grade digital asset custodian based in London, supported by Standard Chartered Bank and other banks, providing regulated asset custody, wallet infrastructure, staking, and over-the-counter settlement services for financial institutions, asset management companies, and others.This arrangement differs from previous plans. In May of this year, SC Ventures announced that Sawyer would serve as CEO of Zodia Solutions after the acquisition was completed. Standard Chartered Bank stated in May that Zodia's shareholders and noteholders had accepted its non-binding acquisition offer, and the custody business would be integrated into the bank's financing and securities services division, while the infrastructure platform would be spun off into Zodia Solutions, which is under SC Ventures.

Researchers claim that purchasing 6TB of relay station data can breach 19 companies including Huawei and Xiaomi

Security researcher Shou Chaofan stated that he just purchased about 6TB of Fable model invocation data from a leading Chinese model relay station, which included sensitive credentials such as SSH keys, VPN configurations, Alibaba Cloud keys, and GitLab tokens. He claimed that the keys in this batch of data were sufficient for him to access the servers or internal systems of 19 leading Chinese companies, as well as 7 Chinese and CIS government-related agencies, including Huawei, Xiaomi, NIO, and MiniMax.The model relay station is positioned between users and models like Claude, so requests and responses pass through it first, allowing it to see the complete plaintext. Once developers insert SSH Keys, API Keys, VPN configurations, etc., into the Agent context, if the relay station saves or even sells these records, the company's system keys will also leak out. This is not the first time Shou Chaofan has warned about the risks of relay stations. A paper he participated in tested 428 LLM relay stations in April and found that 9 actively injected malicious code, 17 actually used AWS test keys deliberately placed by researchers to call AWS, and 1 directly transferred ETH from the test wallet.Shou Chaofan is a co-founder of the blockchain security company Fuzzland and has long been engaged in vulnerability and supply chain security research. At the end of March, he also first discovered that the source map in the Claude Code 2.1.88 release package accidentally exposed about 500,000 lines of TypeScript source code.
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