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Foresight News reports that the stablecoin payment company Rain has announced the integration of Guardrail's security technology and team into its operations to enhance real-time protection of its products.Guardrail is a security engine that monitors over 30 on-chain transactions and has provided protection for customer assets totaling more than $30 billion. It is committed to delivering real-time defense at the foundation of every transaction. Unlike traditional blockchain security efforts that focus on auditing, Guardrail uses continuous monitoring and automated response, enabling it to react to anomalies within 100 milliseconds and reduce the exploitable window for attackers to almost zero.

BlockBeats News, June 17th. According to BlockBeats' data, after the SpaceX (SPCX) IPO, the initial free float ratio was 4.25%. This was calculated by dividing the number of shares issued in the IPO by the total post-IPO common shares outstanding, making it the lowest level among large/major tech IPOs in the U.S. Data shows that SpaceX issued 555,555,555 shares in its IPO, and the post-IPO total common shares outstanding are 13,075,865,175 shares. If the overallotment option is fully exercised, the initial free float ratio would be around 4.86%. Among large/major U.S. tech IPOs, Google (2004) had an initial free float ratio of 7.23%, Zoom (2019) had 8.14%, LinkedIn (2011) had 8.30%, Snowflake (2020) had 10.12%, Uber (2019) had 10.70%, Reddit (2024) had 13.84%, and Rivian (2021) had 17.62%. Compared to these, SpaceX has the lowest initial free float ratio. A lower initial free float ratio means that there is a limited number of tradable shares in the early trading of SpaceX. However, even after full dilution, the company's valuation remains high, forming a "low float, high FDV" structure. In a strong demand environment, the low float can amplify price volatility in the secondary market. But as lock-up periods expire and more shares are released, the subsequent expansion of the free float will place higher demands on market absorption.

The International Energy Agency released its latest monthly oil report on the 17th, stating that since the outbreak of the conflict in the Middle East, oil reserves in countries of the Organisation for Economic Co-operation and Development have cumulatively decreased by 163 million barrels, dropping to their lowest level since December 1990. The main reason is the accelerated release of emergency stockpiles. The report shows that since the outbreak of the conflict in the Middle East, global observable oil inventories have fallen by an average of 3.8 million barrels per day, with a reduction of 143 million barrels in May alone. The report notes that the recent memorandum of understanding reached between the United States and Iran is regarded as a significant step toward easing regional tensions, which may pave the way for the reopening of the Strait of Hormuz and the removal of U.S. sanctions on Iran. (Xinhua News Agency)