Why Stablecoins are Best for Cross-Border Payments: Underlying Logic and On-Chain Advantages (Upgraded)

Explains the advantages of stablecoins in cross-border payments, comparing the underlying differences between traditional payments and on-chain transfers.

{{{##anchor=preface}}} Preface If we look at what people are actually using rather than coin prices or project hype, the most practical and impactful use case for stablecoins right now isn't wealth management or DeFi. It is something much more fundamental: Cross-border payments. A freelancer takes on an overseas project and needs to get paid; a remote team spread across several countries needs monthly salaries; a small business pays an overseas service provider for a website or ads; even family members sending living expenses or tuition across borders—increasingly, these people are saying: "Just send it to my USDT address." Most people's first reaction when using stablecoins for cross-border payments is: How is it this fast, this cheap, and this simple? But if you only see "convenience" without understanding the mechanics, you might feel uneasy. Why is it so fast? Why doesn't it need SWIFT? Why is there such a massive difference in fees? Is this "exploiting a loophole," or is this how the world should work while the traditional system is just outdated? This article won't talk about metaphysics or slogans. We'll do one thing: Clarify the underlying logic of why stablecoins are suite