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OpenAI announced the launch of the GPT-5.4-Cyber model, which is fine-tuned from GPT-5.4 for cybersecurity scenarios, reducing the refusal limits on security-related requests under specific conditions to support specialized operations such as binary reverse engineering.According to the introduction, the model is only available to vetted security vendors, corporate security teams, and researchers through the "Trusted Access for Cybersecurity" (TAC) program. OpenAI stated that the relevant layered mechanism will limit the scope of model usage and impose additional constraints on access in low visibility scenarios.

According to Decrypt, U.S. Senator Thom Tillis stated that the Senate is expected to release a revised draft text on stablecoin yield distribution this week.Currently, there is a disagreement between banks and crypto companies on whether cryptocurrency exchanges should be allowed to pay yields to stablecoin holders through reward programs, and this controversy has stalled the legislative process of the Clarity Act. The White House Council of Economic Advisers recently released a report stating that banning stablecoin yields would have a minimal impact on small banks, only increasing bank lending by 0.02%. However, the American Bankers Association believes this analysis underestimates the risks. Observers point out that if the draft provisions are too strict, it may lead users and liquidity to flow to other jurisdictions that allow yields.

XRP Ledger announced the integration of zero-knowledge infrastructure provider Boundless to support banks and asset management institutions in executing transactions on the public chain that balance privacy protection and compliance.According to reports, this solution can hide sensitive information such as transaction size, frequency, and counterparties, while still allowing regulatory agencies to conduct audits through selective disclosure and role-based access control, thus achieving a balance between privacy and compliance. This integration will support institutional scenarios such as cross-border B2B payments, fund and capital management, over-the-counter (OTC) trading, tokenized asset issuance, and on-chain trading and lending.Industry insiders believe that the contradiction between the transparency of public chains and the demand for privacy has always been a significant barrier to institutional adoption, and this solution aims to reduce the so-called "transparency tax." Meanwhile, competition in the privacy track continues to heat up. Technologies such as zero-knowledge proofs (ZK) and fully homomorphic encryption (FHE) are accelerating implementation, pushing privacy capabilities from optional features to underlying infrastructure. Data shows that the market size of tokenized assets has reached approximately $29.25 billion, with a monthly increase of about 7.9%.

According to the Financial Times, OpenAI investors are questioning its $852 billion valuation, stating that its strategy is shifting. Some OpenAI investors have indicated that these changes may make OpenAI vulnerable to threats from Anthropic and Google.

On Monday local time, the San Francisco District Attorney's Office stated that Daniel Moreno-Gama, the suspect who attacked OpenAI founder Sam Altman last week, has been charged with attempted murder. The Department of Justice announced that the suspect also faces federal charges, including attempting to use explosives to damage property and illegal possession of an unregistered firearm.According to the indictment submitted to the San Francisco federal court on Monday, Daniel Moreno-Gama was arrested after the attack on Friday, and officers from the San Francisco Police Department found a document on him detailing his intentions. In the document, Daniel Moreno-Gama expressed his intent to kill Altman and warned that humanity would be "on the verge of extinction" due to artificial intelligence.

Tom Duff Gordon, Vice President of International Policy at Coinbase, has left the company to join AI giant OpenAI as the head of policy for Europe, the Middle East, and Africa.Tom Duff Gordon worked at Coinbase for nearly 4 years and previously served as a banker at Credit Suisse for 8.5 years. A Coinbase spokesperson confirmed this change via email.

U.S. Senator Lummis stated on social media that the previous administration led to an outflow of the digital asset industry. She emphasized that now is the time to establish clear regulatory rules for the digital asset industry and welcome its return to the U.S., calling for the passage of the Clarity Act.

According to on-chain analyst Ai Yi's monitoring, the whale "enai.bnb" bought 46,336.76 tokens at an average price of $0.4556 on the second day after RAVE launched, holding them until 48 days ago when all tokens were transferred to Aster (at that time the token price was $0.39), with the purpose unknown; then, two days ago, 41,025 tokens were transferred out from Aster, now being the TOP9 holder on the BSC network. If he hadn't sold at that time, his return rate would have reached 462%, with an unrealized profit of $86,000.

U.S. Senator Cynthia Lummis stated that the United States should not continue to delay the legislative process of the CLARITY Act, or it may take nearly four years to push for improvements in the regulatory framework for the cryptocurrency industry again.She posted on social media platform X, saying, "This is our last chance to pass the CLARITY Act before at least 2030," and emphasized that "we cannot let the future of American finance be put at risk." The bill aims to provide a clearer regulatory structure for the cryptocurrency industry, clarifying the responsibilities of regulatory agencies to promote industry innovation and market development. With the U.S. midterm elections approaching, there are concerns that congressional priorities may shift, slowing down the legislative process.Former White House AI and cryptocurrency affairs head David Sacks also expressed support for advancing the bill as soon as possible, stating, "Now is the time for action," and anticipated that the relevant market structure legislation would ultimately be signed into law by the president. In the industry, several individuals, including Coinbase CEO Brian Armstrong, have recently called for an expedited legislative process, believing that clear rules will promote innovation and increase market participation. On the regulatory side, SEC Chairman Paul Atkins also expressed support for advancing comprehensive market structure legislation to avoid ongoing regulatory uncertainty affecting industry development.

Bittensor co-founder Jacob Robert Steeves responded to the Covenant AI incident, stating that he was "deeply shocked" by the events of the past few days and accused Covenant AI founder Samuel Dare of causing serious harm to the protocol and community, betraying the trust of investors and users. He apologized to users who suffered losses due to the incident.Steeves stated that the original intention of Bittensor was to combat greed and selfishness in human nature, promoting AI to be collectively owned by all participants through a permissionless mechanism. He emphasized that while this incident exposed vulnerabilities in the system, it would also encourage the protocol and community to further enhance their risk resilience.Regarding future directions, Steeves proposed advancing the "Locked Stake" mechanism, introducing a "time + stake" commitment dimension at the protocol layer to improve transparency and investor protection, thereby reducing similar risks. He noted that this plan was originally designed with the participation of Samuel Dare.Additionally, he mentioned that the development related to subnets 3, 39, and 81 would continue to be driven by the community, and the overall functionality and vision would not change. Steeves emphasized that Bittensor remains one of the most decentralized AI protocols currently and will continue to promote the development of open AI, with plans to move towards training larger-scale models. In the future, they will train a 1 trillion parameter model.

OpenAI stated that during a recent industry-wide security incident, potential security issues were discovered in the third-party development library Axios that they use. After investigation, no evidence was found of user data being accessed, systems being compromised, or software being tampered with.Out of caution, OpenAI has initiated security reinforcement measures, focusing on strengthening the authentication mechanism of the macOS application to prevent malicious parties from distributing counterfeit official applications. OpenAI also reminds all macOS users to update to the latest version of the application as soon as possible, either through in-app updates or official channels, to reduce potential risks.

According to official news from Mantle, xStocksFi has officially launched on the Mantle network, supported by BackedFi and Flowdesk.As one of the first projects to achieve on-chain liquidity through stock tokenization, users can trade major global assets around the clock via the Fluxion network, including 10 leading U.S. stocks such as TSLAx, NVDAx, AAPLx, METAx, and more. Mantle leverages institutional-grade infrastructure and exclusive deposit and withdrawal support from Bybit to enhance the distribution efficiency of real-world assets (RWA), while providing extremely low trading fees and a high-speed execution experience.The official statement indicates that the launch of xStocks is just the starting point for ecosystem expansion, with more features such as xChange and xPoints to be introduced in the future.

Bittensor co-founder Const (@const_reborn) responded on Twitter to recent allegations regarding Covenant AI. Const stated that he has no authority to pause emissions, and that the previous sale of a portion of alpha positions in three subnetworks was because these subnetworks were not operational and were in a high ratio of code destruction state. The impact of this transaction on emissions is consistent with the buying and selling behavior of ordinary TAO holders, and he does not enjoy any special privileges.Regarding management authority, Const clarified that it was Samuel himself who abandoned his Discord channel, and he did not remove his administrator role; he only temporarily restricted his ability to delete posts that honestly criticize and then restored it. Additionally, he emphasized that the scale of the token sell-off was less than 1% of his total investment in the team, and stated that exercising the rights to buy and sell tokens under the dTao system is fundamental to supporting the operation of the system.According to previous reports from ChainCatcher, the main subnetwork developer on Bittensor, Covenant AI, announced its withdrawal from Bittensor. Covenant AI founder Sam Dare stated that the reason Bittensor attracts builders, miners, validators, and investors into this ecosystem is because of its promise not to be controlled by any single entity. But this promise is a lie.

According to Politico, three U.S. senators are questioning Trump's use of a luncheon event as bait to promote the purchase of TRUMP coins by "catering" to participants.Senators Elizabeth Warren, Adam Schiff, and Richard Blumenthal have written to the event organizers requesting relevant documents to understand Trump's role in the planning, promotion, and potential profits of the April 25 event at Mar-a-Lago. The event is limited to the top 297 investors holding TRUMP tokens.Notably, Trump is also scheduled to attend the White House Correspondents' Association dinner in Washington that day, raising questions about whether he can participate in both events. The event terms also state that Trump "may not be able to attend." The senators pointed out that the organizers are still using "access to the president" as a promotional point despite doubts about Trump's attendance, effectively encouraging the purchase of the Meme coins he issued, thereby profiting Trump and his family.

According to Theblock, Covenant AI, the main subnet developer on Bittensor, has announced its exit from Bittensor. Covenant AI founder Sam Dare stated that Bittensor attracted builders, miners, validators, and investors into this ecosystem because of its promise of not being controlled by any single entity. However, this promise is a lie.Dare listed Bittensor co-founder Jacob Steeves as a major reason for the departure. He claimed that Jacob has been exercising authority over the subnet to regain control of Covenant, as Covenant has grown too large to manage.It is reported that after Covenant's announcement, the price of Bittensor's TAO token plummeted significantly, dropping from $338 to $285 in a short period, a decrease of 15%.

According to official news, Gate US has officially launched the Gift Card feature, allowing users to create and send cryptocurrency gift cards directly within the app. This feature supports sending to users who have completed KYC verification via phone number, email, or UID.The recipient can instantly receive the gift card, and the funds will be credited directly. This feature also supports flexible currency combinations, allowing users to pay with one cryptocurrency and gift another asset. All transactions are processed through a KYC-based account system, aimed at promoting security, traceability, and compliance with applicable regulatory requirements.This feature further connects cryptocurrency assets with everyday social scenarios, expanding the practical application value of digital assets beyond transactions. Currently, Gate US holds a total of 35 licenses, with compliant operations covering 46 jurisdictions in the United States. Based on this, Gate US continues to expand the real-world application scenarios of cryptocurrency assets on its platform.

According to Politico, the cryptocurrency asset bill led by Senate Banking Committee Chairman Tim Scott is embroiled in controversy over the DeFi developer protection clause, making bipartisan consensus difficult to achieve.The controversial clause aims to exempt non-custodial software developers who do not control user funds from registering as money transmitters or complying with anti-money laundering requirements. Law enforcement agencies such as the National Sheriffs' Association and the National District Attorneys Association have sent letters to Congress warning that this clause would weaken the ability to combat financial crime; Senate Judiciary Committee Chairman Chuck Grassley has also expressed similar concerns.The cryptocurrency industry views this as the core of the bill, with DeFi Education Fund Executive Director Amanda Tuminelli explicitly stating that no modifications to the clause text will be accepted. Democratic Senators Catherine Cortez Masto and Mark Warner are pushing for amendments to the clause. If the two parties fail to reach a consensus, the bill may advance without Democratic support, affecting the bipartisan majority needed for a full Senate vote.

OpenAI Chief Financial Officer Sarah Friar stated in an interview with CNBC that OpenAI has begun to "test the waters" with retail investors in its recent round of financing and has seen "very strong demand" from individual investors.Sarah Friar also mentioned that OpenAI will reserve a certain share for retail investors during the IPO.