该标准定义了一个基线架构框架，并定义了基于应付账款的区块链驱动的供应链金融（SCF）实施的功能角色，例如核心企业、供应商、银行、区块链平台提供商等。此外，本标准概述了基于区块链的SCF的用例和业务流程，并规定了功能实现和安全要求。

This standard defines a baseline architectural framework and defines functional roles for blockchain-driven supply chain finance (SCF) implementations based on the account payable, e.g., core enterprise, supplier, bank, blockchain platform provider and so on. In addition, this standard outlines use cases and business flows for SCF based on blockchain, and specifies the functional implementation and security requirements.