rich1.0Silberengel (npub1l5…egx9z)https://nostr.ae/npub1l5sga6xg72phsz5422ykujprejwud075ggrr3z2hwyrfgr7eylqstegx9znjumphttps://nostr.aeI know a German guy selling DIY hardware wallets with exchangeable cards. The keys are on the card, so you can switch out the cards and use one appliance for different people. I think. 🤔 The CEO stayed with us in Prague. nostr:npub1qmfywacdlsss32lzup3qvutzdr7q6xttun4le0a9uzns4vfstk2q52jnen https://clavastack.com/products/specter-diy-snapcase