CPC H04W 4/023 (2013.01) [G06N 20/00 (2019.01); H04W 4/30 (2018.02); H04W 4/70 (2018.02); H04W 12/02 (2013.01)] | 24 Claims |
1. A method comprising:
triggering, with a first device, a touchless handshake;
sending a wireless signal from the first device to the second device;
receiving, with a second device, the touchless handshake; and
acquiring a code displayed on the second device before sending the wireless signal by the first device.
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