‹ CRA-5.3.5 CRA-5.4 Cryptographic Keys and Wallet Storage › CRA-5.3.6 Past version: Effective from 01 Apr 2019 to 31 Dec 2019 To view other versions open the versions tab on the right Licensees must conduct regular (at least annually) security tests of their systems, network, and connections. Added: April 2019 ‹ CRA-5.3.5 CRA-5.4 Cryptographic Keys and Wallet Storage ›