Group 1 - The core viewpoint of the article emphasizes the rapid rise of stablecoins as a crucial element in reshaping financial infrastructure, particularly following legislative developments in the US and Hong Kong [3] - The book "Stablecoins: Reshaping the Global Financial Order" provides a comprehensive framework for understanding stablecoins, including their origins, business models, applications, risks, and global regulatory landscape [3] - The concept of "general equivalent" in currency is highlighted, indicating that the definition of money must evolve with time, as traditional commodity money has become obsolete [5] Group 2 - Keynes' contributions to monetary theory are discussed, particularly his views on deposits as a form of money and the concept of "endogenous money," which posits that money is created through the loan-deposit process [6] - The article argues against the notion of "supranational currency," asserting that currency is fundamentally tied to national sovereignty and cannot be eliminated as long as sovereign states exist [8] - The complexities of cross-border payments and the inherent exchange rate issues are acknowledged, emphasizing that currency remains a sovereign entity despite technological advancements [9] Group 3 - The article introduces the idea of "layered currency," referencing Marxist political economy to explain the different layers of money, from cash to various forms of digital currency [11] - The emergence of digital currencies complicates the traditional understanding of currency layers, with stablecoins adding a new dimension to the existing monetary hierarchy [12] - The discussion on the role of central banks in issuing currency and the implications of digital currencies on monetary policy and financial systems is presented [12]