Korea's launching a project that could serve as a stepping stone for a coinless society.According to the nation's central bank, starting Thursday, select stores will allow customers to deposit small amounts of change from purchaseson pre-paid or transportation cards.Some 23-thousand convenience stores and supermarkets are taking part in this pilot project.If the trial goes well, by next year, the BOK will allow bank account holders to remit loose change into their own accounts.The move is designed to lower the spending on producing coins, which costs some 52.6 million U.S. dollars a year.