US Patent 11375371 Methods, systems, and media for protected near-field communications

Methods, systems, and media for protected near-field communications are provided. In some embodiments, the method comprises: receiving, from an NFC tag device, a request for an NFC reader device identifier (ID); transmitting the NFC reader device ID to the NFC tag device; receiving an NFC tag device ID; determining whether the NFC tag device ID matches an NFC tag device ID stored in memory of the NFC reader device; in response to determining that the NFC tag device ID matches the NFC tag device ID, transmitting a password to the NFC tag device; receiving, from the NFC tag device, a shared secret; determining whether the received shared secret matches a shared secret stored in the memory of the NFC reader device; and in response to determining that the received shared secret matches the shared secret, causing an action to be performed by a device associated with the NFC reader device.