Nostr also works OFFLINE
You can swap notes with a USB stick if needed
We will feature this in the nostr:nprofile1qqsxhugzf33nvzfmvvkm9k3pkedyf37c9qcy2na56atrfw3grctpeyqppemhxue69uhkummn9ekx7mp0qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qgswaehxw309ahx7um5wghx6mmd9ujp7g6q launch