The Conversation, Author at TechCentral

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Why the future is blockchain

The value of one bitcoin recently hit a record high of $3 025, a staggering rise of over 200% in value this year alone. Aswath Damodaran, professor of finance at the New York University, known as

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Go on, click here to accept our T&Cs

How often do you see this when you’re online, whether downloading a new app or software or signing up for some new service? You click on it, but then discover you’ve just agreed to give up your future first-born child or

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The blockchain could have better security than the banks

There are ways to improve the online ledger blockchain by taking some security notes from banks. If people could use both two-step verification and spending limits on the blockchain, this would reduce any economic

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Eskom defies logic by threatening renewables

Eskom recently repeated that it will not conclude supply contracts with the developers of new renewable energy power stations. These developers were selected under a programme to facilitate private sector involvement in the

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As the ATM turns 50, cash is falling out of favour

On 27 June, the ATM turns 50. Former US Federal Reserve chairman Paul Volcker once described it as the “only useful innovation in banking”. But today, the cash that ATMs dispense may be on the endangered

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A day in the life of a smart-city commuter

The alarm on your smartphone went off 10 minutes earlier than usual this morning. Parts of the city are closed off in preparation for a popular end of summer event, so congestion is expected to be worse than usual. You’ll need to catch an earlier bus

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Why Australia’s NBN fell flat on its face

Eight years into the Australian government’s National Broadband Network project, the country has an average Internet speed – 50th in the global rankings – that lags well behind many advanced economy countries. Ongoing secrecy around the

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Why the Eskom saga should scare us all

South Africa has, in the past, been credited with taking on innovative corporate governance standards and integrated reporting. So, it’s particularly depressing to see the spectacle around the country’s largest state-owned enterprise, power utility Eskom

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