(2)In order to ensure the swift and efficient completion of the crypto-asset white paper approval process in the most proportionate way, the submission of the application for approval of the crypto-asset white paper and other communication or exchange of information between the credit institution and the competent authority as well as between the competent authority and the ECB or, as applicable, a relevant central bank, should be made via electronic means, which allow easier and faster communication and record-keeping. Given the high expectations of diligence on both public authorities and institutions, a high level of security should be expected to be achieved.