Systems and methods for providing and using proof of in-game participation by unique digital articles

A system configured to provide and use proof of in-game participation by unique digital articles, wherein the unique digital articles are associated with in-game player-controllable virtual items, and wherein usage information pertaining to the unique digital articles is recorded on a permanent registry, the permanent registry being implemented by a registry server, the system comprising:

• an online gaming platform including one or more hardware processors configured by machine-readable instructions to:
• execute, within the online gaming platform, an instance of a game to facilitate presentation of the game to players, and implement in-game actions in the instance of the game in response to in-game action instructions for the in-game actions by the players, wherein the players include a first player;
• manage player accounts associated with the players, wherein the player accounts include a first player account associated with the first player, wherein the first player controls a first unique digital article that is associated with a first in-game player-controllable virtual item;
• and
• generate and transfer sets of instructions to record and/or modify a first set of usage information pertaining to the first unique digital article, wherein the first set of usage information controls usage by the first player of the first unique digital article, and wherein the first set of usage information includes first metadata specific to the first unique digital article;
• determine whether the first in-game player-controllable virtual item participated in a first in-game event;
• subsequent to determining the first in-game player-controllable virtual item participated in the first in-game event, generate a first set of video information, wherein the first set of video information depicts the first in-game player-controllable virtual item participating in the first in-game event;
• store the first set of video information at a first location in electronic storage;
• and
• generate and transfer one or more instructions to modify the first metadata according to a first modification, wherein the first modification adds a Uniform Resource Locator (URL) that refers to the first location of the first set of video information.