The Swedish government is considering introducing a digital currency.

The country's central bank is already running a pilot project with Accenture Plc to introduce an electronic krona based on the same blockchain technology that underpins digital currencies like Bitcoin.

Less than 10% of all payments in Sweden are made with cash, making it the most cashless society in the world.

Andy O'Donoghue joined us for Tech Tuesday to discuss how this technology works and whether it's feasible.