Two moves: raise a flag, then lock a contact.
Left — raise a flag: set your intent, mark it have or need, pick a range. Right — the TANGO handshake: verify in person, then the thread opens. Chat exists only after you both say yes.
Palette
CRT
t@ngo
WHISKEY‑7
◉ compose
◉ compose
▸ RAISE A FLAG
Your intent
I'M UP
Mode
Tags
Range
Expires
◉ LIT
flag composer
t@ngo
WHISKEY‑7
◉ secure link
◉ secure link
▸ TANGO LOCK
HANDSHAKE
in person · MITM‑proof by construction
WHISKEY‑7 ⇆ ROMEO‑3
Match these digits
04913277886100255471
38820196347025584109
22947503186687213590
Read them aloud. If they match on both screens, no one is in the middle — no server ever sees them.
◇ keys exchanged · X25519 + ML‑KEM‑768
LINK SECURE
ROMEO‑3 verified ✓
sealed sender · disappearing · no server
◇ thread opened — this is the first time chat exists
say something…SEND ▸
tango handshake
t@ngo · the beacon is home, the thread is earned