A digital lockbox service replaces the physical address of a traditional lockbox with a digital web address. Instead of paper checks, it uses electronic payment methods like eChecks, ACH, debit cards, credit cards, and electronic bank transfers. Digital lockboxes are like physical lockboxes but better.

A real-estate lock box is a padlock-shaped box that generally hangs around the doorknob of a house that is on the market. The device holds the keys to a house to allow communal access for all real estate agents, while continuing to keep them secure.