What were those golden coins that Keanu and Reeves paid when they asked people to dispose of the corpse in the movie "John Wick"?

In the movie "John Wick", the golden coins Keanu and Reeves paid when they asked someone to dispose of the body were issued by the "High Table" (High Table), which controls the underground world. gold**. These gold coins can be used to purchase arms, dispose of corpses, purchase intelligence, stay in mainland hotels and other services. However, its specific monetary value is difficult to determine because the use is not based on the gold price of the gold coins themselves, but on the basis of the situation.