From bartering to coins, cheques, PIN cards and online payments - the world has constantly evolved the way we buy and sell commodities.
With money, transactions, currencies and banking already changing rapidly, what does the future hold?
Experts say the future of money will be powered by the digital world.
Most of us have already incorporated internet banking and online shopping as part of our purchasing and payment routine.
But the growth of the internet is likely to change the way we buy online.
Payment processing provider Mint Payment’s Chief Marketing Officer Bjorn Behrendt says more and more household purchases will be done automatically by smart-appliances.
He calls it "the internet of everything
