i am using lastpass.com which offers everything i need to safely allow someone to access my details in the event of my disappearance,.

you can check out details on a post i wrote
be safe!

https://steemit.com/steemit/@eco-alex/the-best-way-i-know-of-to-be-secure-safe-protected-and-give-access-to-your-accounts-in-the-event-of-emergencies-or-death