Paper wallet...laminate and take digital photo with offline camera...place in micro chip...now you have laminated wallet and digital copy..make sure not to expose to internet
Username: krogothmanhattan Bitcoin talk profile:https://bitcointalk.org/index.php?action=profile Rank: Full member Post count:639 BTC address: 1GDjqcTyvNa37CwMaDvh9buL6Qd1SjbYKG