Customers to use their smartphones to pay with app Cash by Optus

[1] Optus grants consumers to pay their goods by using smartphones.

[2] The app is called Cash by Optus and uses a chip technology located in phone’s SIM.

[3] The good side of this technology is that customers do not need to have bank accounts to use the technology.

[Source] http://www.news.com.au/technology/gadgets/customers-can-ditch-cash-and-cards-to-use-their-smartphones-to-pay-with-app-cash-by-optus/story-fn6vihic-1227122253938