‹ CRA-5.3.5 CRA-5.4 Cryptographic Keys and Wallet Storage › CRA-5.3.6 Licensees must conduct regular security tests of their systems, network, and connections. Amended: January 2020 Added: April 2019 ‹ CRA-5.3.5 CRA-5.4 Cryptographic Keys and Wallet Storage ›