tokenkey
nounUK /ˈtəʊkənkiː/
US /ˈtoʊkənkiː/
A special key that lets you into a game or a secret place.
She used the tokenkey to open the treasure chest in the game.
OTHER MEANINGS
2. A small digital code that proves you are allowed to use something.
The app asked for a tokenkey before it would show the pictures.
3. A key-shaped token used instead of a real key.
He dropped the tokenkey into the slot and the door clicked open.
4. A secret word or sign that lets a group know you belong.
Only kids who knew the tokenkey could join the club.