DS/ISO/TR 23576:2020

Blockchain and distributed ledger technologies - Security management of digital asset custodians

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.*This document is addressed to digital asset custodians that manage signature keys associated with digital asset accounts. In such a case, certain specific recommendations apply.*The following is out of scope of this document:*-; core security controls of blockchain and DLT systems;*-; business risks of digital asset custodians;*-; segregation of customer's assets;*-; governance and management issues.