How Cuchumbo works, and what it asks of you
You name the exchange, pick a reveal date and share one invitation link. Players join in a tap: a name and a contact email, no password and no account. Each of them can leave hints, and each of them opens only their own match: assignments are encrypted at rest, never shown to the organizer and never listed anywhere. The whole exchange runs in fourteen languages, so each person reads it in theirs. It is free, paid for by ads that never see your exchange data, and about six months after the reveal date the Cuchumbo, players, hints, assignments, is deleted automatically.
