What if your COLDCARD could manage UTXO state updates without ever going online? 🔐
nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0spz4mhxue69uhkummnw3ezummcw3ezuer9wchszrnhwden5te0dehhxtnvdakz7d5hf2g , nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzpmhxue69uh5ummnw3ezuamfdejszrthwden5te0dehhxtnvdakqwvj9n8 & nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpp4mhxue69uhkummn9ekx7mqp2amhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33wq6xkeec0fu826ms09knx6pjxpjhyenpxdekzmt2xqc8ymfjva6rguf4wan827t4xd6xwvrcxd4xwvm8v4ehvmnr0pnrsaq5cp3 explore how snapshotting UTXO state and secure serialization can enable vault-like behavior - offline, fully air-gapped, and even across borders. [BR094]