Keybox -

: Always backup your digital keyrings. If you lose access to your pubring.kbx or master keys, you may lose the ability to decrypt important data.

In the physical world, a keybox is a secure, tamper-resistant device—often called a lockbox—that holds keys to a property. keybox

This is the most widely recognized type. It is a small, durable metal box with a resettable combination dial. It is typically hung on a doorknob, gate, or railing. Real estate agents use these to allow multiple buyer’s agents to access a property for showings without requiring a physical key handoff. : Always backup your digital keyrings

Regardless of the type, maintaining the integrity of your keybox is vital: This is the most widely recognized type

In information technology, a "keybox" is often a specialized file format used to store cryptographic keys.