Shopping container safes and related methods for securing objects are disclosed. According to an aspect, a shopping container includes a load carrier and a safe being attached to the load carrier. The safe may include a door and a lock. The lock may be configured to receive security information from an object. The lock may also determine whether to validate the received security information. Further, the lock may either fasten or unfasten the door of the safe in response to determining to validate the received security information.