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。

On March 18, US national debt surpassed $39 trillion, drawing market attention. Rising long-term deficits and increased interest burdens are driving debt growth, while investor interest in decentralized assets like Bitcoin is increasing. Policymakers face a trade-off between debt repayment and funding new projects. Rising debt could impact infrastructure investment and long-term economic growth, and the market needs to monitor how debt developments affect investment strategies.

Ripple launches approximately $750 million stock buyback program, attracting attention from the crypto community. Veteran investor Pumpius believes this move enhances company valuation and strengthens confidence in the XRP ecosystem. Meanwhile, Ripple strengthens financial infrastructure through acquisitions, bolstering market influence. However, the market questions the direct relationship between the buyback and XRP price. Investors continue to monitor how Ripple's development impacts XRP value.

PANews 2月28日消息，據Cointelegraph報導，數據顯示，“How to buy Bitcoin”近5年全球搜索熱度近期大幅回升，已接近2021年峰值水平。