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According to Reuters, citing two informed sources, the Trump administration informed leading AI companies on Tuesday that it will not conduct security testing on open-weight AI models. This decision marks a new direction for the U.S. government in its approach to AI regulation. Open-weight models allow developers and users to freely download, modify, and deploy model parameters without relying on closed API access. Previously, organizations such as the American Institute for AI Safety (AISI) had conducted security assessments on cutting-edge models. The White House and relevant departments have not publicly commented on this matter yet.

ChianCatcher news, the blockchain game studio and on-chain technology company Proof of Play announced on August 4 that it will cease operations. The company stated that it initially believed that games utilizing blockchain technology had the potential to open up a new decentralized internet, but ultimately failed to create scalable products and a sustainable business to validate this concept.Proof of Play will open source its code and art assets as much as possible for future builders to use, including applications related to Pirate Nation, smart contracts, founder NFTs, and IP (under CC0 license), etc. The Pirate Nation Foundation, independent of Proof of Play, will continue to support the $PIRATE token, and the foundation's website will remain operational; Proof of Play points are non-redeemable. Additionally, Shiba Story Go! has been acquired by a third party and is operating independently.

According to Jinshi reports, since the U.S. Supreme Court ruled that the Trump administration's use of emergency powers to impose tariffs on trade partners was invalid, approximately $100 billion in tariff refunds have been paid. U.S. Customs officials reported to a judge at the U.S. Court of International Trade on Tuesday that this amount accounts for 60% of the total $165 billion collected from the president's "Liberation Day" tariffs.

According to Jinshi, the Federal Reserve accepted a total of $2.551 billion from 3 counterparties in its fixed-rate reverse repurchase operation.

According to Jinshi reports, Apple is opening a lottery registration for U.S. retail employees who wish to participate in the offline launch event, which is expected to take place in the first half of September. Internal memos indicate that participating employees will assist in organizing queues, registering visitors, welcoming attendees, and supporting the security team.Historically, Apple's iPhone launch events are usually scheduled for the second Tuesday or Wednesday of the month.

According to Jinshi reports, the central bank announced that it will conduct a 500 billion yuan reverse repurchase operation on August 5, with a term of 3 months. Meanwhile, in international news, data from the Bank of Japan indicates that Japan may not have intervened in the foreign exchange market on Monday.U.S. Treasury Secretary Yellen stated that the U.S. will take all necessary measures to support the yen and mentioned that a deal with Iran might be reached tomorrow to open the Strait of Hormuz.

According to Reuters, citing four informed sources, the Trump administration is drafting a ban on the import of new models of optical modules for data centers from China. The Federal Communications Commission (FCC) is formulating this measure to prohibit the import of new models of optical modules that can transmit data through fiber optic cables within data centers, with officials hoping to release and implement it within this year. The ban aims to prevent Chinese companies from stealing data, implanting malware, or disrupting services at U.S. data centers.The ban may primarily affect Inspur (leading with a 27% share of the global data center optical module market), which was listed in June of this year on the Pentagon's list of companies involved in military activities. U.S. cloud providers (such as AWS) may be forced to turn to alternative suppliers like Coherent and Lumentum, raising costs. The FCC has previously imposed similar restrictions on Chinese drones, routers, robots, and inverters. The Chinese embassy in the U.S. stated that "it will take all necessary measures to respond to any actions that harm China's interests." The draft may still be modified or shelved.

According to Forbes, the Federal Communications Commission (FCC) officially announced on July 27, 2026, a ban on the import of foreign-made AI humanoid robots, citing national security threats. The FCC classified these devices as "Trojan horses"—their high-precision sensors can continuously collect sensitive data from users' homes and businesses and transmit it to foreign entities, posing a risk of being used for mass surveillance or intelligence activities, and the related devices may also be remotely controlled.Although the ban targets all foreign manufacturers, it actually has the most significant impact on China, as China currently holds a large share of the global AI humanoid robot market. Promoting the development of domestic manufacturing is also an important secondary objective of this ban.

According to the latest research by TrendForce, the tight supply of DRAM is expected to continue until 2027, and the uncertainty of the HBM4e verification schedule is prompting AI chip manufacturers to consider reducing the HBM configuration of their next-generation products. Starting from Q3 2026, NVIDIA has begun evaluating the HBM solution for Rubin Ultra, expanding from the original 12-Hi HBM4e to alternative options such as 8-Hi HBM4e, 12-Hi HBM4, and 8-Hi HBM4, with the final specifications yet to be determined. Previously, due to the expected supply bottleneck of LPDDR5X lasting until 2027, NVIDIA decided to halve the SOCAMM capacity of the next-generation Vera Rubin Superchip module.TrendForce pointed out that the main reasons for the downgrade of Rubin Ultra from 12-Hi HBM4e include: the overall DRAM shortage in 2027 will limit the allocation of wafer capacity to HBM, and there is still uncertainty regarding the mass production schedule and yield ramp-up of 12-Hi HBM4e. It is expected that the HBM bit shipment volume in 2027 will increase by approximately 50-60% year-on-year, which will still be insufficient to meet the growth in demand. HBM suppliers will maintain pricing power throughout 2027, and HBM prices are expected to rise significantly. The final configuration will depend on the wafer allocation decisions of memory suppliers.

According to The Nation Online, the Nigerian Tax Authority has released the "Virtual Asset Taxation Guidelines," officially incorporating cryptocurrencies, stablecoins, NFTs, and other blockchain digital assets into the country's tax system. The guidelines were published on July 31 and provide the first detailed framework for taxing the income from assets such as cryptocurrencies, stablecoins, governance tokens, and NFTs.The guidelines stipulate that income generated from the disposal, exchange, or transfer of virtual assets must be taxed according to Nigerian tax law, and income from blockchain activities such as mining, staking, validating, airdrops, and token rewards is also subject to taxation. Virtual assets must be valued at the market price of exchange platforms recognized by the tax authority. Individuals and businesses must maintain complete transaction records, and virtual asset service providers must register for taxation and report large or suspicious transactions. The SEC continues to regulate securities-type virtual assets, while the tax authority is responsible for tax management. The guidelines do not set a separate tax rate for cryptocurrencies but apply existing tax law provisions. The guidelines follow President Bola Tinubu's executive order on establishing a coordinated regulatory framework for virtual assets.

According to Coinglass data, the current whale holdings on the Hyperliquid platform amount to $4.708 billion, with long positions of $2.354 billion, accounting for 50% of the holdings, and short positions of $2.354 billion, also accounting for 50% of the holdings. The profit and loss for long positions is -$120 million, while the profit and loss for short positions is $55.4201 million.Among them, the whale address 0x0ddf..02 has shorted ETH with a full position at a price of $1700.06, currently realizing an unrealized profit and loss of -$8.3817 million.

According to Jinshi, the Federal Reserve accepted a total of $2.127 billion from 4 counterparties in its fixed-rate reverse repurchase operations.

POAP founder Isabel announced that after more than 5 years of operation, the POAP project will gradually come to an end.Isabel stated that over the past few years, POAP has minted millions of digital collectibles in hundreds of communities and collaborated with global institutions such as Coinbase, Amex, Warner Music Group (WMG), and Bayer. Additionally, POAP completed large-scale applications during the Devcon event, minting over 8,000 collectibles in one week, and launched the Airport Rally event, allowing collectors worldwide to obtain POAP at airports.Isabel noted that POAP holds special significance for many, but due to the impact of the financing cycles and distribution models in the crypto industry, it has become difficult to establish a sustainable business model without sacrificing the project's core philosophy. At the same time, the rapidly changing technological infrastructure and market cycles have also increased operational challenges.She summarized POAP's experience by stating that user communities are the most undervalued assets of a business, and truly valuable products can spread the brand through users; connecting with users remains a core value that should not be overshadowed by short-term technological hype and price speculation; in a rapidly changing market environment, long-term accumulation and brand trust will become important moats.Isabel mentioned that there are currently no decisions made regarding the next steps, but she is contemplating the development direction of the Go-To-Market (GTM) model for businesses in the AI era.

According to Sifted, the renowned European venture capital firm Index Ventures recently announced the completion of a new fundraising round of $2 billion, increasing its total investable assets to $3.5 billion. This round of fundraising consists of three parts: a $400 million seed fund, a $900 million early-stage venture fund, and an additional $700 million to the existing growth fund (which has expanded from $1.5 billion to $2.2 billion).Index Ventures stated that the new funds will continue to support founders "from the first round of financing to IPO and beyond," covering the markets in Europe, Israel, and the United States. In the context of this fundraising, AI is its core betting direction, and the firm has successively invested in Mistral, Cohere, and Ineffable Intelligence, founded by former DeepMind researcher David Silver. Previously, Wiz, part of the Index portfolio, was acquired by Google for $32 billion, Figma completed its IPO, and Revolut completed a secondary market share sale (valued at $115 billion), all of which provided strong endorsement for this round of fundraising.

The 10-Q document submitted by 0G Treasury Company ZeroStack to the U.S. Securities and Exchange Commission (SEC) shows that as of June 30, the company had a cash balance of $2.6 million, a working capital of negative $600,000, a cumulative loss of $339.1 million, and confirmed a fair value loss of $82.5 million on digital assets, expecting a net loss of $61.3 million in the first half of 2026.The financial report indicates that as of June 30, ZeroStack held 75.1 million 0G (Zero Gravity) tokens, with a total cost of $163.3 million, but a fair value of only $15.2 million, representing a decrease of about 91% from the book cost. The company stated that its current operations mainly rely on 0G staking rewards and token sales, and its future financing ability will also depend on the price performance of 0G and market trading liquidity.Public information shows that ZeroStack is a publicly listed treasury company with 0G as its core reserve asset, and is not the official or development team of the 0G project. The company participates in the ecosystem through large-scale holdings and staking of 0G, and its operational status is highly correlated with the price trend of the 0G token.

According to the official announcement, Gate has released the latest reserve report. As of July 27, 2026, the overall reserve coverage of the platform reached 117%, significantly higher than the industry safety benchmark of 100%. The reserves cover nearly 500 different types of user assets, continuously ensuring the security of user assets through verifiable mechanisms. Among them, the reserve scale of core assets continues to grow.The BTC user asset scale increased from 19,054 to 21,557, corresponding to a platform-held reserve of 26,775, with an excess reserve ratio of 24.2%; the ETH user assets grew from 344,935 to 374,348, with the corresponding platform-held reserves also increasing from 423,960 to 456,798, resulting in an excess reserve ratio of 22.02%.In terms of stablecoins, the total user assets of USDT, USDC, USD1, and GUSD amounted to 1.336 billion, corresponding to a total platform reserve of 1.59 billion, with a comprehensive reserve ratio of 118.97% and an excess reserve ratio of 18.97%, reflecting the platform's emphasis on the security of user assets and its ability to maintain sufficient liquidity.In addition, the reserve ratios for major assets such as GT and XRP are also significantly above the 100% reserve standard, reaching 131.13% and 116.5%, respectively. Gate's latest reserve report shows that its core asset reserve scale remains robust, providing strong assurance for the safety of user funds and the stability of platform operations.

According to Jinshi, the China Securities Regulatory Commission and the Hong Kong Securities and Futures Commission jointly announced new measures to deepen practical cooperation and closely coordinate development between the two markets, covering various areas such as listing financing, index cooperation, futures products, exchange-traded funds (ETFs), internationalization of financial institutions, green finance, and facilitation of professional qualifications.

According to Coinglass data, the current whale holdings on the Hyperliquid platform amount to $4.74 billion, with long positions totaling $2.327 billion, accounting for 49.1% of the holdings, and short positions totaling $2.413 billion, accounting for 50.9%. The profit and loss for long positions is -$147 million, while the profit and loss for short positions is $84.2899 million.Among them, the whale address 0x0ddf..02 has shorted ETH with a 3x leverage at a price of $1,700.06, currently showing an unrealized profit and loss of -$8.3117 million.