Paste its key to open it. The key never leaves this browser - the board's contents are encrypted and only your key can read them.
That key did not work. Check it and try again.
After you open the board, this device remembers the key so you do not have to paste it again. On a shared device, press Lock in the top bar when you are done.
Live timers are not yet verified on this board, so no running-timer claims are shown.