Friends across the port: crew on any ship, and the porters who work the piers. Add someone by their code; they accept; then you can talk. No phone numbers.
Your code
…
Give it to someone you meet. When they add you, you choose whether to accept.
Skip the password next time — add Face ID or your fingerprint in your bio →
Friends
Nobody yet.
Conversations between friends are kept twelve months after the last message, then deleted — not on the 24-hour clock guest conversations use.