| CPC G06K 19/005 (2013.01) [G06K 19/047 (2013.01); G06K 19/0727 (2013.01); H04W 4/029 (2018.02); H04W 4/80 (2018.02)] | 7 Claims |

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1. A computerized method comprising:
receiving, from a first user, information indicative of a tracking indicator;
storing information indicative of the tracking indicator;
receive, from a second user, information indicative of said tracking indicator;
associating the first user with the second user based upon said tracking indicator, indicative that the token passed from the first user to the second user; and
presenting, to the second user via a graphical user interface, a token chain indicative of the first user.
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