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13 May 2020
Since the Jetsons cartoons of the 1960s, we’ve been waiting for that ultimate form of personal mobility, the Flying Car. The idea of being able to avoid traffic and obstacles, and simply zoom off to your destination on autopilot, captured our imagination for decades, and we all thought it was just a matter of time...
28 April 2020
Question1: What keeps the full nodes in line? Do full node operators have too much power in the Bitcoin system? If they are the custodians of Bitcoin’s ledger, what stops a smaller group of nodes from, for example, disregarding the difficulty adjustment rule or from ignoring the predetermined issuance schedule? The answer is ‘nothing’! Bitcoin...
28 April 2020
Decentralized recording of data The Bitcoin system produces a sequentially ordered digital ledger of every bitcoin transaction that has ever occurred between Bitcoin addresses. From the ordered ledger we get a record of which Bitcoin address owns which bitcoin (or fraction of a bitcoin). These addresses are created and controlled by individuals or institutions            A...
24 April 2020
Bitcoin is working and making progress and there are more people wanting to understand why this thing called Bitcoin, which doesn’t have a CEO, a board of directors or employees, can thrive like it does. However, often when someone offers an explanation as to why Bitcoin works, the explanation only includes something to the effect...
27 February 2020
The World Bank estimates that food and agriculture comprise about 10% of the global GDP – which, when crunching the numbers, means that food and agriculture would be valued at about $8 trillion globally. There’s no doubting the value and potential of this industry, but what about the challenges that innovators face? As the food production sector shifts in close tandem with evolving consumer desires, the food production system must transform quickly to meet new needs.
27 May 2019
Think about a workplace where one is able to write on walls, partition a room to how you would like for it to be configured depending on the type of session you would like to have. A place where cycling into work and taking a shower afterwards isn’t taboo. Having a chef prepare every meal...
6 March 2019
The South African Intergovernmental FinTech Working Group (IFWG) released its consultation paper on policy proposals for crypto assets and requested members of the public and any impacted stakeholders to provide comments on the document. I prepared and submitted the following response. I am pleased to provide my comments on the IFWG’s Consultation Paper. I do...
11 February 2019
There can be no doubt that over the past decade, technology and digital innovation has had a transformative impact across sectors and industries. Corporate juggernauts such as Kodak have been toppled, whilst small and nimble innovators have changed the face of entire sectors. The local financial services sphere is currently undergoing its own moment of...
31 January 2019
This is the third and final in a series of articles. In part 1 I wrote that bitcoin will only be used as a medium of exchange when it can function as a store of value and that bitcoin will only be able to function as a store of value if there is increased and...
24 January 2019
This is the second in a series of articles. In Part 1, I wrote that bitcoin will only be used as a medium of exchange when it can function as a store of value and that bitcoin will only be able to function as a store of value if there is increased and constant demand...

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