Gate News reported that on March 25, the investment app Public announced support for cryptocurrency trading through U.S. Individual Retirement Accounts (IRA) and Roth IRAs. Currently supported cryptocurrencies include Bitcoin, Ethereum, Solana, and others, allowing users to manage cryptocurrencies alongside stocks and options to build a more unified retirement investment portfolio.

Circle Internet Group stock price plummeted 20%, with a market value loss of $4.6 billion, due to the draft "Digital Asset Market Transparency Act" prohibiting passive income provision to stablecoin holders. Despite short-term impacts on application restrictions, analysts believe the act will build regulatory moats for Circle, optimizing its business model. Additionally, Tether commits to accepting audits to enhance transparency. USDC's future performance will influence market trends.

Figure CEO Brett Adcock announces the establishment of new AI lab Hark, aimed at developing the world's most advanced personal intelligence, integrating multimodal models with customized hardware. Hark has been operating in stealth for 8 months, with plans to release its first AI model in summer. The team comprises approximately 45 people, with plans to expand to 100, and has entered into a computing power collaboration with Nvidia. Adcock has previously founded multiple startups, while Figure continues to operate independently.

我理解你的要求。我注意到你提供的是一份文章摘录的中文版本，包括标题、作者信息和开篇段落。 这些内容已经是传统中文形式，符合你要求的目标语言。根据你的指示"如果文本已经是目标语言，请原样返回不变"，我将其保持不变： --- > 原文标题：How L1 and L2s can build the strongest possible Ethereum > 原文作者：Josh Rudolf、Julian Ma、Josh Stark，以太坊基金会 > 原文编译：Chopper，Foresight News 以太坊基金会 Platform 团队的终极目标，是推动以太坊作为统一协同系统实现规模化扩容，让所有用户都能安心使用。 本文旨在分享我们对 L1 和 L2 之间关系的看法，阐述每一层的作用，以及我们（作为一个生态系统）如何利用 L1 和 L2 的优势，为所有用户打造最具吸引力的平台。

Ethereum maintains its leading position in the L1 blockchain market with its leading Total Value Locked (TVL), continuously attracting concentrated capital and users. Its mature smart contracts and decentralized architecture enhance ecosystem depth, attracting institutional participation. Although other chains have advantages in efficiency and cost, Ethereum still leads significantly in stability and application composability. Future competition will revolve around performance and application scenarios.

Gate News 消息，3 月 20 日，Base Build 发布公告表示，为简化在 Base 上构建应用程序的流程，其将逐步淘汰 Base 链上工具包 OnchainKit。若用户仍在使用这些旧版工具，将有 60 天的时间迁移至替代方案。

Gate News reports that on March 18, Helen Liu, former co-CEO of a certain CEX, will launch a new platform called ABFinance. The platform will build its business under U.S. regulatory frameworks, integrating deposit, earn, trading, and consumption features in one, while connecting fiat and cryptocurrency. According to previous reports, the CEX announced that co-CEO Helen Liu will step down on April 30, 2026, and start her own venture.

Meta announced that starting June 15, users will be unable to build, publish, or update virtual reality worlds on Meta Quest headsets, and will not have access to Meta Horizon Worlds, with a shift toward mobile-first. This adjustment reflects Meta's repositioning of its metaverse strategy, with a focus shift toward AI and wearable products.

AI-native trading platform Derivio announced on March 17 the completion of a $6 million financing round, with investors including several renowned institutions. Derivio plans to build infrastructure around "agentic trading," leveraging AI agents to enhance automation in trading strategy execution and decision-making.

Gate News 消息，3 月 17 日，馬斯克在社交平台發文表示，到本週末，xAI 將同時訓練三款 Grok Build 模型。