A related service called a “Dead man’s switch” might be close to that: https://hn.algolia.com/?q=dead+man%27s+switch https://hn.algolia.com/?q=dead+man%27s+swit

A related service called a “Dead man’s switch” might be close to that: https://hn.algolia.com/?q=dead+man%27s+switch https://hn.algolia.com/?q=dead+man%27s+switch deadman.io, deadmansswitch.net, and deadmantracker.com are starting points. You’d need a human to delete the accounts, but these services could send the email with your credentials. Having a trusted friend in the loop might be valuable anyway.