Create a Legacy contact with secure mechanics. The Use Case is that any user can designate another as his/her Digital Legacy, so they can take over and manage one's account in the event of passing away.
A possible approach would be to provide a link for the Legacy user to request access to the account - on such event, the owner would have an x amount of days to respond with a "no need - I'm alive and well". If no response was received within the timeframe, the Legacy user would be granted access to the accounts.