Sustainability risks in aquaculture are increasingly addressed through forms of assurance that rely on the use of digital technologies. By bringing in new actors and informational processes, these forms of digital sustainability assurance challenge existing notions of how global value chains are governed. Based on in-depth interviews with experts, we find that the growing use of digital technologies to mediate assurance is shaped by the digital codification of informational processes designed to support sustainability, which in turn increases the complexity of sustainability claims and changes the capabilities needed by value chain actors to comply. Furthermore, we find that digital sustainability assurance represents a new form of value chain coordination by a new set of extra-transactional “digital lead actors.” As these lead actors become more prominent, their control over digital data flows constitutes a new form of value chain governance with the potential to have greater impact on steering toward sustainability.

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管理全球价值链的数字可持续性保证：水产养殖案例

水产养殖的可持续性风险越来越多地通过依赖数字技术使用的保证形式来解决。通过引入新的参与者和信息流程，这些形式的数字可持续性保证挑战了全球价值链治理方式的现有观念。根据对专家的深入访谈，我们发现越来越多地使用数字技术来调解保证，这是由旨在支持可持续发展的信息流程的数字化所塑造的，这反过来又增加了可持续发展声明的复杂性，并改变了可持续发展所需的能力。价值链参与者必须遵守。此外，我们发现数字可持续性保证代表了由一组新的交易外“数字主要参与者”进行的价值链协调的新形式。随着这些主要参与者变得更加突出，他们对数字数据流的控制构成了一种新形式的价值链治理，有可能对可持续发展产生更大的影响。