Gbenga Okejimi, World Remit Country Manager (Ghana and Nigeria) speaks to Guardian TV on how World Remit is facilitating global remittances across Africa. WorldRemit is a cross-border digital payments service that provides international money transfer and remittance services in more than 130 countries and over 70 currencies.

Before coins were re-introduced, goods or services were priced in multiples of fives because but since the death of coins and the near extinction of some Naira notes, price levels have been affected greatly, which means no goods could be bought for 1 Naira because no such denomination is available, so lowest-priced goods stayed at 5 Naira and Naira 10 Naira. Is there any possibility that coins or the denominations fast going out of circulation will return stronger in the nearest future?

Bilal Hafeez, head of fixed income research for EMEA at Nomura, discusses his outlook for emerging market currencies and the U.S. dollar.

Eswar Prasad, senior fellow at Brookings Institute, discusses how central banks may incorporate digital currencies in the future.

President Trump is said to be accusing China and the EU of manipulating their currencies.

Emerging market currencies are feeling the pain from Turkey's meltdown. South Africa's rand plunged the most in almost a decade and the Mexican peso slumped as the lira continued to tumble for a fourth day.

Mohamed El-Erian, chief economic advisor at Allianz SE and Bloomberg View columnist, discusses the problems associated with appreciating currencies.