It would be cool to have a "canary" system in encryption. For example, without having entered the 'everything is OK' password every week, the drive/encryption

It would be cool to have a "canary" system in encryption. For example, without having entered the 'everything is OK' password every week, the drive/encryption automatically destroys itself. So if the drive is ever compromised, or you are separated from it, etc, the fact that you do nothing should cause the protected data to be destroyed.