Portable device blocking and unblocking based on wearable device proximity

A user device comprising:

• a first data processor;
• a first transceiver coupled to the first data processor;
• a memory storing portable device information;
• and
• instructions executable by the first data processor for:
• receiving data associated with a portable device, the data obtained while a user is viewing the portable device;
• determining that the data comprises information corresponding to portable device information stored in the memory;
• and
• responsive to the determining, transmitting, to the portable device via a short-range communication protocol, an instruction to the portable device.

A method comprising:

• periodically receiving, by a portable device from a user device over a short range communication protocol, a signal indicating proximity of the devices;
• determining, by the portable device, that the signal is not received from the portable device in a threshold period;
• responsive to the determining, modifying a bit on the portable device to block one or more functions of the portable device;
• receiving, by the portable device, an indication that the user device has verified that data associated with the portable device is within a field of view of a user of the user device;
• and
• based on receiving the indication, modifying the bit to allow the one or more functions of the portable device.