■ 🕑 4. (optional)
   in nostr
   - if Relay & Client go offline, where is content hosted?
   - Relay stores content. Does it store entire archive of whole network? And able to read and see data stored & who posted what. Or be flooded.
   - nostr seems like can't run decentralized sql, same poroblem of web3, ipfs (thats hosts only static content)