Software developer Kgothatso Ngako is part of a growing network of people who have ditched the rand, the US dollar and any other fiat currency to make their way in life using bitcoin only.

VALR CEO Farzam Ehsani talks about bitcoin's famed volatility, why bitcoin's current bull run still has legs, and whether we can expect more rollercoaster action once the bull run exhausts. Or whether it will be different this time.

Carel de Jager, research group leader for distributed ledger technologies at the CSIR, shares insights on some of the new scams where even crypto aficionados are being artfully separated from their wealth and their wallets.