Players used this to stake in the Duel Arena. If they won, they took the gold. If they lost, they forced the server to rollback the trade, keeping their money. It was a "risk-free" infinite money glitch. It shattered the Duel Arena economy for months before Jagex intervened, banning thousands of accounts and rewriting the logout code.
In the early hours of a Tuesday morning, while most of the player base is asleep or grinding Vorkath for their seventeenth Dragonbone Necklace, a different kind of player is wide awake. They aren’t fighting bosses or questing. They are standing in a corner of the Grand Exchange, rapidly clicking a rapidly spawning stack of items, or frantically trading an alternate account, trying to beat a hidden timer known only to the gods of Jagex’s server architecture. money glitch osm
Unlike a software bug, a money glitch OSM exploits three distinct layers: Players used this to stake in the Duel Arena