They can dispose of it in the same way that they dispose of the actual core data (ie write over it X times, and ensure when disk is EOL that it's shredded). Wi

They can dispose of it in the same way that they dispose of the actual core data (ie write over it X times, and ensure when disk is EOL that it's shredded). With cryptographic erasure you can do exactly the same erasure process on fewer bytes and get the same effective results.