PD IS0/TR 23576:2020 BSl Standards Publication Blockchain and distributed ledger technologies - Security management of digital asset custodians bsi. PDIS0/TR23576:2020 PUBLISHEDDOCUMENT Nationalforeword This Published Document istheUK implementation of IS0/TR 23576:2020 The UK participation in its preparation was entrusted to Technical Committee DLT/1, Blockchain and Distributed Ledger Technology. A list of organizations represented on this committee can be obtained on requestto its committeemanager. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correct application. @TheBritishStandards Institution2020 Published byBSI Standards Limited 2020 ISBN9780539067743 ICS35.030;35.240.40;35.240.99 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the StandardsPolicyandStrategyCommitteeon31December2020. Amendments/corrigendaissuedsincepublication Date Textaffected PDIS0/TR23576:2020 TECHNICAL ISO/TR REPORT 23576 First edition 2020-12-10 Blockchain and distributed ledger technologies Security management of digital asset custodians Reference number IS0/TR 23576:2020(E) ISO @ISO 2020