US9864998B2

patent

(57) CPC ........ GO6Q 30 /02 (2013 .01); G06Q 30 /0241 (2013.01); G06Q 30 /0264 ( 2013 .01); H04L 67/20 (2013 .01); H04L 67/306 (2013.01)

7 claims. 227,589 characters of text.