Connect a printer via USB or copy the paper backup information by hand. All Rights Reserved. The change address is important because sending coins back to the original address reduces your privacy. Plus, Armory employs many security practices so that even if someone physically stole your offline system then it still may take centuries for them to get through the advanced wallet encryption! Armory pioneered easily managing offline Bitcoin wallets using a computer that never touches the Internet. Note: At no point in this process is any private data exposed through the transaction data. Make one or two copies, and store in a secure place.