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BIT's US stock financing trading is about to launch public testing, with professional trading capabilities continuously upgraded

BIT (formerly Matrixport) announced the official launch of its U.S. stock margin trading feature, which will be open for public testing starting June 26. BIT is the first platform in the cryptocurrency industry to offer margin trading functionality. Users can now submit margin loan applications through the official website or app. BIT will review applications based on account status and risk management requirements, gradually increasing the margin limits. Additionally, features such as securities lending are also in preparation and will be gradually opened based on regulatory requirements and product progress.During the public testing period, BIT will simultaneously launch the "First Margin Loan · Limited Time Interest-Free" and "Interest Cashback Gift" promotions: Users who use margin trading for the first time during the promotional period will enjoy 30 days of 0% interest on their first loan, allowing users to experience the efficiency of leveraged funds without interest. Elio Cui, head of brokerage services, stated: "BIT is the first to provide margin trading functionality, enhancing the customer journey from account opening, trading to fund leverage. This allows BIT customers to improve investment efficiency and strategically position themselves in the world's most wealth-generating assets without relying on bank cards or leaving the digital asset ecosystem."BIT also reminds users that while margin trading enhances the efficiency of fund usage, it also comes with corresponding risks. Users should fully understand margin rules and risk control mechanisms and participate cautiously based on their own risk tolerance.

OpenAI expands its cybersecurity program Daybreak, launching a dedicated defense model GPT-5.5-Cyber

OpenAI announced a comprehensive expansion of its cybersecurity program Daybreak, aimed at leveraging artificial intelligence to accelerate the discovery and automatic remediation of software vulnerabilities. The core of this expansion is the full version dedicated model GPT-5.5-Cyber launched for trusted defenders. It is reported that this model has set the highest score records in multiple cybersecurity benchmark tests, surpassing GPT-5.5's 81.8% and competitor Mythos 5's 83.8%, significantly improving the accuracy of vulnerability scanning and patch generation. At the same time, the synchronously updated Codex Security plugin has been deeply integrated into the developer workflow, supporting fully automated codebase scanning, threat modeling, and patch generation.In terms of ecosystem development, OpenAI has launched an exclusive partner program, allowing compliant security service providers to integrate GPT-5.5 with specific permissions into their commercial products; and has initiated the "Patch the Planet" program in collaboration with organizations like Trail of Bits to assist over 30 foundational open-source projects such as Python and Go in implementing vulnerability fixes. In addition, OpenAI revealed that it is currently engaged in deep cooperation with governments and institutions from multiple countries, including the United States, the United Kingdom, France, and Japan, to jointly enhance the cybersecurity capabilities of global critical infrastructure.

ByteDance releases Doubao 2.1 Pro large model, accelerating AI strategy towards the enterprise sector

According to the "Science and Technology Innovation Board Daily," at the 2026 Volcano Engine Force Conference, ByteDance officially released the latest flagship version 2.1Pro of the Doubao large model. Tan Dai, President of Volcano Engine, stated that the model has made breakthroughs in four dimensions: code delivery, long-range Agent tasks, multimodal understanding, and enterprise-level stable operation, possessing stronger engineering delivery capabilities and being capable of handling complex R&D tasks for enterprises. At the conference, ByteDance CEO Liang Rubo also emphasized that the company will focus on enhancing large model capabilities and firmly invest in MaaS (Model as a Service) business.The report pointed out that ByteDance's AI strategic focus is clearly shifting towards enterprise-level services. Currently, the daily token call volume of the Doubao large model has reached 180 trillion, an increase of over 1500 times since its release, and has grown more than 10 times in the past year. However, due to the bottleneck in monetization on the consumer side and high expenses (with daily computing costs reaching tens of millions and daily revenue below one million), ByteDance has accordingly adjusted its resource allocation. Meanwhile, the video generation model Seedance, primarily aimed at the B-end, has validated its commercialization potential, with current annual recurring revenue (ARR) reaching 2 billion dollars, effectively offsetting Doubao's computing costs. In addition, the new version of Seedance will also be the first in the industry to launch a 3D white membrane preview feature.
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