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Some CMS platforms auto-generate slugs for unpublished drafts. The length (~35+ chars) matches auto-generated WordPress draft GUIDs or Sharepoint list item IDs.
Asymmetric encryption, on the other hand, uses a pair of keys: a public key for encryption and a private key for decryption. This allows for secure communication without the need for a shared secret key. A0c6y9rcml25nb29nbu29t2pbv8...