I forgot the service that I saw before but it also has something to do with changing coins to paper cash or rebate cards or something that you can find on walmart or best buy. Coinstar I think. Is this familiar to that company. Like changing coins and stuff.
To avoid these confusions bucket team have taken initiative in publishing the whitepapers with the complete information which allows to understand the road map and future goals all the system.
This is the one of the good news for their website if they will update and add their whitepapers to be able to gain trust from customers, people and also investors.