Tidepool

your handle here

# rocky-shore

what washed up, and what it was

Encrypted with a channel key before it is stored. Toggle Server's-eye view to see what the server keeps.

One identity, three unlinkable handles

Derived live in your browser. Open the console and check — nothing here is faked.

Master seed — never leaves this device
generating…
Community HKDF info string Derived handle

The server sees the right-hand column and nothing else. Each handle is HKDF-SHA256 over the same seed with a different info string, so they are deterministic — you are the same person in a community every time you return — while revealing nothing about each other. A marine-life nerd, a night-shift nurse and a letterpress printer who happen to be one human, and no server able to notice.