‹ CRA-5.4 Cryptographic Keys and Wallet Storage CRA-5.4.2 › CRA-5.4.1 Licensees must implement robust procedures and protective measures to ensure the secure generation, storage, backup and destruction of both public and private keys. Amended: April 2023 Added: April 2019 ‹ CRA-5.4 Cryptographic Keys and Wallet Storage CRA-5.4.2 ›