Synchronization of local devices in point-of-sale environment

A system comprising:

• a point of sale (POS) device configured to facilitate an order of goods or services exchanged for payment in a transaction;
• multiple other devices communicatively coupled over a short-range network with the POS device,
• wherein at least one of the POS device or one or more other devices of the multiple other devices are configured to communicate with a remote server via a long-range network;
• the POS device further configured to:
• detect an offline mode that prevents the at least one of the POS device or the one or more other devices from communicating with the remote server via the long-range network;
• responsive to detecting the offline mode, authenticate the multiple other devices for communication over the short-range network;
• synchronize information associated with the order between the POS device and the multiple other devices over the short-range network;
• and
• responsive to detecting that the offline mode has concluded, transmit the information associated with the order from the POS device or at least one of the one or more other devices to the remote server via the long-range network.