By bne IntelliNews Zimbabwe’s new mainly gold-backed currency officially started trading on April 8, three days after it was introduced in a bid to tackle skyrocketing inflation. Many shops refused to accept the new Zimbabwe Gold (ZiG) as payment, demanding US dollars instead, while the old national banknotes have become worthless. While nearly all major retailers and banks were still configuring their systems to be able to handle the ZiG, the Zimbabwe Stock Exchange and the country’s biggest mobile money company, EcoCash, said transactions on their platforms could be conducted using the new u…