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特朗普瞄准巴西支付系统，美元稳定币悄然主导该国支付
Trump targets Brazil's payments system while dollar stablecoins are quietly overtaking country's payments
Washington views Brazil’s promotion of non-dollar payment channels, including Pix and the growth of stablecoins, as a potential threat to dollar-based trade, even as dollar-linked stablecoins account for about 90% of Brazil's crypto transactions.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力