Central authorities are still important to create legitimacy in a cryptocurrency.
You may have imagined the blockchain would lead to a world without governments or institutions veryifying transactions, research shows that it probably won't.
Illustration of hot, dense, expanding cloud of debris stripped from the neutron stars just before they collided.
NASA's Goddard Space Flight Center/CI Lab
Until the recent observation of merging neutron stars, how the heaviest elements come to be was a mystery. But their fingerprints are all over this cosmic collision.
alredosaz / shutterstock
A gold rush brings in lots of money in the short-term, but leaves a toxic legacy.
Cooking with gold is in fashion, but the practice has been happening for centuries.
Modern chefs are serving up ice cream, cakes, even sushi covered in gold. But gold in food came into its own in late medieval Europe, when eating gold wad thought to be virtuous, and one could find gilded whole roast peacocks.
Mining company Banro closed artisanal mining sites like this one in the DRC.
USAID U.S. Agency for International Development/Flickr
Industrial gold mining companies in eastern Congo have faced violent attacks over friction between industrial and artisanal mining.
The cryptocurrency is now starting to challenge gold as the investment of choice.
The physicality of gold is both a plus and a minus.
New financial innovations and products are constantly being touted as the safe haven of the future. But physical gold has properties that will cause it to stick around.
Gold torc found in Staffordshire.
oe Giddens/PA Wire/PA Images
Torcs found in the Staffordshire hills can reveal a lot about Iron Age society.
Cock and bullion: the $2,000 pizza.
On sale in New York for US$2,000. Don't all rush at once.
Problems occur when a country falls in love with gold, and silver might be about to get a boost from proposed solutions.
A Trump presidency is bound to put pressure on commodity prices in the long term.
Even though commodities rallied after the election of Trump, the benefit of this to Australia's budget could be short lived due to volatility.
The good news is the post-Brexit market movements in high-yielding currencies have been relatively benign.
China will not be able to rescue Australia if another crisis hits.
The Johannesburg Stock Exchange building in Sandton, Johannesburg.
The announcement of a rival to the Johannesburg Stock Exchange presents a welcome development in South Africa – but it's not the first time the JSE has faced competition.
It would be a waste, and environmental hazard, to see them thrown in the bin.
There are precious, and toxic, minerals in our old mobile phones. Far better to recycle them than dump them in the trash.
Titanium ore can be used to develop lithium ion batteries and supercapacitors, which can aid South Africa’s energy problems.
South Africa his rich in minerals that, combined with the development of nanotechnology, can be used to help it develop new energy technologies.
Safe havens like gold are supposed to provide shelter in dire times.
Image sourced from Shutterstock.com
Claims that gold is not a safe-haven asset are based on a lack of understanding of what a safe haven is.
A student beats the statue of Cecil John Rhodes with a belt as it is removed from the University of Cape Town.
The Randlords left a big dilemma in their wake: contemporary South Africa is not sure whether to thank them for bringing civilisation, or to curse them for complicating future race relations.
Gold: not the safe haven it was once considered to be.
The best answer for dealing with a volatile market is to do nothing.
A speck of gold from a mine in Liberia, Africa.
Shopping for a gold ring? New guidelines seek to be the rough equivalent of Fair Trade for small-scale gold mining.
The love affair with gold as a financial instrument can be traced back for centuries.