This document provides a taxonomy, reference model, considerations for a security framework and a security problem definition for digital currency hardware wallets (DCHWs). It also specifies security objectives to address security issues related to the security problem definition.

This document is applicable to organizations that develop and operate DCHWs, e.g. mobile device manufacturers, chip manufacturers and companies that provide DCHW solutions. This document is also relevant to third parties that provide services to these stakeholders. It addresses sovereign or fiat digital currencies issued by a specific entity, e.g. a central bank.