本文件讨论了与以下相关的威胁、风险和控制: -向其客户（消费者和企业）提供数字资产托管服务和/或交换服务的系统，以及事故发生时的安全管理数字资产保管人管理的资产信息（包括数字资产的签名密钥）。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document discusses the threats, risks, and controls related to: — systems that provide digital asset custodian services and/or exchange services to their customers (consumers and businesses) and management of security when an incident occurs;— asset information (including the signature key of the digital asset) that a custodian of digital assets manages.All current amendments available at time of purchase are included with the purchase of this document.