There is also a very similar thing that we have in sports: betting. Independent sites exist for esports betting. In Dota 2 there is also betting on pro games w

There is also a very similar thing that we have in sports: betting. Independent sites exist for esports betting. In Dota 2 there is also betting on pro games with the in-game shards that are earned only by playing (if the player is subscribed to this program with a fixed fee).