A method of processing a jackpot win in a gaming network comprising: providing a jackpot server: receiving jackpot claim data at the jackpot server; locking a jackpot record corresponding to the jackpot claim data; aggregating any outstanding jackpot contributions for the jackpot record from contributing parts of the gaming network to form a prize; and communicating prize data corresponding to the prize to a network destination identified by the jackpot claim data.