The Amazon ecosystem consists of four main ecological roles, namely ordinary users, merchants, market makers, gateways, and financial institutions. These ecological roles together constitute Amazon's global payment ecosystem, making finance simpler, payment more efficient, and ultimately becoming the underlying infrastructure of the financial industry, achieving industrial upgrading of financial services. Anyone and any business entity can conduct various financial transactions such as cross-border revenue and expenditure, B2B business, supply chain finance, loyalty plans, asset management, and trading through decentralized, cheaper, and faster methods....