How is double spending avoided while offline?
sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with nostr:nprofile1q9n8wumn8ghj7enfd36x2u3wdehhxarj9emkjmn99ah8qatzx9ck5emrd4k8q6m909krsmtyddm8qdrnxpuxcue5096xxatcxekhjd3sxe6xwenc89u8gar4wsunqdmgxpa8xdekd3nk5aelvfex7ctyvdshxapaw3e82egpremhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet59uqzqpy33h7rdjf70kmvcrtq7dlp2gh3cd4kf5l5ksjv2vkhck2law7928h6wz , nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpz9mhxue69uhkummnw3ezuamfdejj7qpqf742zec57c6qk9ajfr8wyjn0s4vrfzh4hesyj2yqplvj5wrfydxsdezp7p, nostr:nprofile1qyrkxmmjv93kcegpvemhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c330fchxafn09engenjv9nkuvnpx4jnxmr8wcmrju35wfmhw6r5wvexvum9wfkxcdpsxf6h5u3nw9jkgercveekvenrw9e8x0mzwfhkzerrv9ehg0t5wf6k2qpqzqsu3ys4fragn2a5e3lgv69r4rwwhts2fserll402uzr3qeddxfs2gkl22 , nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcppemhxue69uhkummn9ekx7mp0qqsvvlxnux5rm2jkelck7c6akt7mnmvkrycq9xx5wqd93e5wssycx3g7hxy6n , nostr:nprofile1qyd8wumn8ghj7un9d3shjtnndamx2un9d9nkutnpwpcz7qpqdvdcmtp5llrp63jdlmhspe9gffsyu9ew7cu3ld3f9y7k79nxzjxqtun7a8 et al.
https://blossom.primal.net/27b120c0678b3ee4436c6185f8d6df8c98b2db7bb38f6da4a624ac32b5897ae9.mp4
