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Roundhill Memory ETF (DRAM) has included CXMT (Changxin Technology) in its holdings, with a weight of 2.52%.The DRAM ETF focuses on memory chip companies. As of August 2, the top three holdings of this ETF are Samsung Electronics, Micron Technology, and SK Hynix, with weights of 26.39%, 24.54%, and 22.77%, respectively. Other major holdings include Seagate Technology, Western Digital, SanDisk, Kioxia, Nanya Technology, and Zhaoyi Innovation.

According to Jinshi reports, U.S. President Trump stated, "America is ready to confront Iran; the level of military deterrence, strength, and power has not been seen since World War II.Nevertheless, we have just received requests from Iran and other Middle Eastern countries asking us to postpone any attacks, as a framework for an agreement has been reached. This will include the immediate, complete, and thorough opening of the Strait of Hormuz, as well as the end of Iran's nuclear threat.Based on this request, I agree to cancel the attack for the future interests of the world and the survival of a successful and prosperous Iran, provided that an agreement can be reached quickly. The State of Israel is committed to this with me. Everyone should take action and get this done."

According to Coin Bureau, Goldman Sachs expects the Federal Reserve to maintain the current interest rate level throughout 2026.It believes that the trend of slowing inflation will overshadow hawkish signals and the market's rising expectations for a rate hike in September.

Binance founder Zhao Changpeng reposted on the X platform about a user being attacked by a Coldcard wallet and stated that software will always have vulnerabilities; the key is how the team behind it addresses the issues.Zhao Changpeng added that Trust Wallet also faced a similar problem years ago, where the use of a non-truly random pseudorandom number generator led to a loss of about 12 million dollars, but the team ultimately covered the users' losses.Previously, a suspected third wave of attacks targeting Coldcard-generated addresses has emerged, with attackers again transferring about 207.7294 BTC. Data shows that the scale of observed Coldcard-related attacks has expanded to about 1,367.05 BTC, involving approximately 4,585 addresses, valued at about 88.6 million dollars at current prices.

According to The Block, the Dubai-based cryptocurrency exchange Shelbit has processed at least $4 billion in transactions since May 2024 and serves as a hub connecting Iranian gambling websites, the Central Bank of Iran, and entities related to the Iranian Islamic Revolutionary Guard Corps.At least $676 million has been transferred from addresses associated with Shelbit to Binance, including approximately $540 million that was transferred after Dubai regulators fined the unlicensed exchange in January 2025. The report could not independently determine who controls Shelbit within the Iranian government, nor could it ascertain whether the Iranian Islamic Revolutionary Guard Corps directly operates the broader network.

Strive Vice President Joe Burnett posted on platform X that the recent weeks may be among the worst in Bitcoin's history. Many people purchased recognized hardware wallets, generated mnemonic phrases offline, and followed established best practices, yet still lost a significant amount of Bitcoin due to a vulnerability affecting COLDCARD wallet that generated mnemonic phrases since March 2021 and beyond. This vulnerability went undetected for over 5 years.Joe Burnett stated that this will permanently change people's confidence in self-custody. Self-custody will still exist, but it has been permanently altered. For those who wish to directly control a large amount of Bitcoin, the standard should be multi-vendor multi-signature, with keys generated independently using different hardware and different software, and stored in different physical locations. If this approach is unacceptable, then institutional-grade custodians should be used.Joe Burnett mentioned that the current wave of Bitcoin adoption is happening through ETFs, treasury companies, and institutional custodians, primarily from individuals who unintentionally become experts in private key generation, hardware security, firmware, backups, inheritance planning, and physical storage. A single key generated by one hardware wallet protecting a large amount of Bitcoin poses excessive concentration risk.Joe Burnett also stated that institutional custody may ultimately lead to excessive Bitcoin concentration in the hands of large companies, resulting in risks of censorship, seizure, and confiscation. However, Bitcoin's portability and settlement attributes provide a crucial counterbalance, allowing users to create wallets and request custodians to send Bitcoin, transitioning from counterparty risk to direct ownership within minutes.Joe Burnett believes that as long as Bitcoin itself remains secure, the failure of any particular custody method does not negate the underlying monetary system, but rather forces the market to develop better tools, stronger standards, and more resilient custody frameworks. This week may ultimately mark the end of an era for Bitcoin custody and the beginning of the next wave of Bitcoin adoption.

Binance founder Zhao Changpeng posted on the X platform that we may be in a bear market, but there is still a lot of capital looking for investment opportunities.

Zhao Changpeng posted on platform X, stating that regarding the suspected vulnerability of the Coldcard wallet that led to over $38 million in Bitcoin being stolen, even hardware wallets may have vulnerabilities.Even long-established wallets may have vulnerabilities. To reduce risk, one might consider diversifying funds across several wallets, but this brings another set of risks. Nothing is 100% secure.

According to News.bitcoin, MoneyFlip CEO Marcos Arturo Kleiman Tronllan was arrested for allegedly hiring a hitman. The investigation initially targeted currency exchange businesses near the US-Mexico border, suspecting that he used the business to evade the requirements of the Bank Secrecy Act and launder money through cross-border transactions (to clean drug trafficking proceeds).In February 2026, an undercover agent from the Department of Homeland Security contacted Kleiman, requesting to exchange dollars claimed to be from drug transactions into cryptocurrency. Kleiman exchanged approximately $750,000 into cryptocurrency and transferred it to the undercover wallet, charging a 10% fee. During discussions, Kleiman asked the undercover agent to help collect debts from a Mexican businessman and to commit murder, agreeing to pay $40,000 for kidnapping and murder. Kleiman paid a cash deposit of $5,000 in two installments; after the undercover agent presented forged "victim murder" photos and videos, he delivered an additional $5,000 in cash and approximately $25,000 USDT as final payment.

According to NexBlock, the trading volume in South Korea's virtual asset market continues to shrink, and the competitive landscape among the five major won exchanges is changing. During this market downturn, funds are further concentrating on platforms with leading liquidity, while small and medium-sized exchanges are seeking breakthroughs through partnerships with securities companies, institutional market layouts, and operational restructuring. In the future, the focus of competition will no longer be solely on trading volume, but also on stablecoin liquidity, traditional financial cooperation, institutional market expansion, and regulatory compliance capabilities.Data shows that in the first half of this year, the five major won exchanges in South Korea (Upbit, Bithumb, Coinone, Korbit, Gopax) had a total trading volume of approximately $366.58 billion, a year-on-year decrease of 54.6%.From July 1 to 27, the five major exchanges had a cumulative trading volume of about 17.34 trillion won, a decrease of 16.9% compared to the same period last month. Among them, Upbit's trading volume was approximately 11.69 trillion won, which, although down 10%, increased its market share from 62.3% to 67.4%; Bithumb's trading volume fell to 4.71 trillion won, with its share dropping from 30.7% to 27.1%, widening the gap between the two to 40.3 percentage points.

According to Jinshi reports, the Hang Seng Index Company launched the Hang Seng Hong Kong Stock Connect Artificial Intelligence Infrastructure Index on July 31. This index reflects the performance of Hong Kong-listed companies that can be traded through the Hong Kong Stock Connect, which provide foundational technologies for the development and deployment of artificial intelligence, covering fields such as semiconductors, electronic devices, infrastructure and hardware resource suppliers, and related components.

According to Gate market data, the Hong Kong stock market closed with the Hang Seng Index rising by 0.1% and the Technology Index rising by 0.53%. Southern Double Long SK Hynix (07709.HK) rose over 67.5%, Southern Double Long Samsung Electronics (07747.HK) rose over 48%, Zhipu (02513.HK) rose over 14.5%, and MiniMax (00100.HK) rose over 13%.

According to The Block, South Korean media and financial regulatory agencies have begun reviewing measures aimed at effectively preventing unregistered overseas cryptocurrency exchanges from providing services to domestic traders.

According to the latest ranking of stock derivatives exchanges released by RootData, as the global stock market rebounds, the 24h trading volume among the top ten exchanges shows significant divergence. As of the time of publication, Gate's 24h trading volume increased by 61.50% to $2.248 billion, ranking first in growth among the top ten exchanges.

According to monitoring by Lookonchain, Changxin Storage has now entered its 5th trading day, with the price rising above 8 dollars, currently favoring the bulls in the long-short battle.A certain whale has shorted 2.9 million Changxin Storage shares, worth 23.54 million dollars, currently facing a loss of 4.67 million dollars and has paid 1.42 million dollars in funding fees; another whale has gone long on 1.63 million Changxin Storage shares, worth 13.27 million dollars, currently making a profit of 2.46 million dollars and has received 823,000 dollars in funding fees.

According to official news, Gate's stock trading service has undergone an important upgrade, becoming the industry's first exchange to offer zero fees for trading U.S. stocks and ETFs. After the upgrade, buy and sell orders for eligible U.S. stocks and ETFs will not incur trading fees on the Gate platform, and there will be no minimum trading fees, account opening fees, or account maintenance fees, further reducing the cost for users to participate in the U.S. stock market.In addition to the platform trading fees, there may be third-party fees related to U.S. market settlement fees, regulatory fees, and ADR custody fees during the trading process. These fees will be executed according to the rules of regulatory agencies, clearing agencies, and custodial banks, and will be borne by users based on actual transaction conditions. Furthermore, after the zero-fee upgrade, U.S. stock trading will no longer count towards the total trading volume for VIPs.

According to Gate market data, the Hang Seng Tech Index rose over 1% during the session, after previously falling 0.7%; the Hang Seng Index is about to turn positive during the session, after previously falling 1%. Zhizhu rose over 22%, MiniMax rose nearly 13%, Lenovo Group rose over 8%, and Hua Hong Semiconductor and Alibaba both rose over 5%.

According to Gate market data, the Hong Kong Hang Seng Index opened down 21.16 points on July 31 (Friday), a decrease of 0.08%, reporting at 25,837.72 points; the Hong Kong Hang Seng Tech Index opened up 14.24 points, an increase of 0.3%, reporting at 4,818.01 points; the State-Owned Enterprises Index opened down 21.01 points, a decrease of 0.24%, reporting at 8,623.7 points; the Red Chip Index opened down 5.51 points, a decrease of 0.13%, reporting at 4,244.91 points.

According to Jinshi reports, South Korea's foreign exchange authorities conducted a rare dollar-selling intervention on Thursday.