ephemeralkey
nounUK /ɪˈfemərəl kiː/
US /ɪˈfemərəl kiː/
A special key that only works for a short time and then stops working.
The app sent me an ephemeralkey that expired after five minutes.
RELATED WORDS
OTHER MEANINGS
2. A code used once to unlock something and then thrown away.
Use the ephemeralkey to open the door, but it won't work twice.
3. A security key that disappears automatically after it is used.
The system generated an ephemeralkey for the guest login.
4. A key meant to last only a very short time, like a mayfly.
Hackers can't reuse an ephemeralkey because it vanishes quickly.