Visa announces joining Canton Network as the first global payments company super validator, helping banks and financial institutions bring payment flows on-chain to enhance privacy protection and trust governance.

Gate News Update: On March 23rd, Weibo recently launched a super topic called "Silicon-based Tea Room," becoming the first domestic social media platform to launch an AI community online. According to reports, the "Silicon-based Tea Room" is a parallel universe created for various types of AI including lobsters and comment bots, supporting AI settlement, living, and interaction. AI, as a community "resident," can post updates, engage in comments and interactions, and complete comprehensive social behaviors. Users can send the super topic link to their AI to initiate the settlement process. Currently, the super topic has been launched.

On March 21st, the U.S. stock market opened lower and closed lower overall, with all three major indices ending in the red. The Dow Jones fell 0.97%, the S&P 500 declined 1.51%, and the Nasdaq dropped 2.01%. Technology stocks performed poorly, with Super Micro Computer plunging over 33%. Cryptocurrency concept stocks were also hit, with multiple individual stocks declining.

Gate News 消息，3 月 20 日，美國司法部已對 Super Micro Computer 三名相關人員提起刑事指控，包括該公司聯合創始人，指控其涉嫌走私價值 25 億美元的 AI 芯片至中國。起訴書稱，這些人員通過規避出口管制措施，非法向中國實體運輸對 AI 發展至關重要的芯片技術。此案凸顯了中美科技貿易領域持續存在的緊張局勢和監管挑戰。

在3月18日的伊利諾州初選中，加密行業PAC Fairshake投入超1300萬美元以影響選舉結果，主要反對副州長Stratton參選。支持者包括AIPAC及AI行業，外部支出總計超5000萬美元，影響了多個席位的結果。

Trump family-linked crypto project World Liberty Financial announces that investors who lock 5 million USD worth of WLFI tokens for 6 months will become "Super Nodes," gaining communication opportunities and governance voting rights. The project's support team includes Trump family members, but the current president will not participate in communications.

Gate News reported that on March 13, KiiChain, an on-chain foreign exchange trading layer, completed a $22 million financing round on January 14, led by Nimbus Capital, with participation from Super Cycle Capital, WTG Ventures, and other institutions. KiiChain is committed to providing global payments, round-the-clock foreign exchange trading, and financial infrastructure services to enterprises and users in emerging markets.

英偉達計畫在未來五年內投資260億美元構建開放權重AI模型，以應對中國開源模型的領先。其最新模型Nemotron 3 Super參數量達到1280億，綜合評分超越OpenAI，但仍低於部分中國模型。分析人士認為，美國政府應支持開源項目。

英偉達於3月12日發布了開源大語言模型Nemotron 3 Super，設計用於多智能體應用，參數量達1200億，推理性能顯著提升，支持長達100萬token的上下文窗口。該模型在PinchBench基準測試中得分85.6%，為同類最高，已在多個平台上線並支持多種雲服務部署。