Ruja Ignatova called herself the Cryptoqueen. She told people she had invented a cryptocurrency to rival Bitcoin, and persuaded them to invest billions. Then, two years ago, she disappeared. Jamie Bartlett spent months investigating how she did it and trying to figure out where she’s hiding.
When Canadian blockchain whiz Gerald Cotten died unexpectedly last year, hundreds of millions of dollars in investor funds vanished into the crypto ether. But when the banks, the law, and the forces of Reddit tried to track down the cash, it turned out the young mogul may not have been who he purported to be.
Faced with hyperinflation, a worthless local currency and a risky black market for dollars, Venezuelans are increasingly turning to bitcoin as a tool for survival in the world’s worst-performing economy.
Dozens of central banks have started looking at whether to issue digital currencies. But only a few have run trials and none has gone as far as China, which appears set to become the first country to put a central-bank digital currency (cbdc) into limited use.
A building on Zurich’s most exclusive shopping street has been converted into a blockchain-powered investment following its CHF130 million ($134 million) sale. It is the latest attempt to unlock the value of bricks and mortar using digitally-coded tokens.
More and more security holes are appearing in cryptocurrency and smart contract platforms, and some are fundamental to the way they were built.
Miners now pouring into Eastern Washington are building sites with tens of thousands of servers and electrical loads of as much as 30 megawatts, or enough to power a neighborhood of 13,000 homes. And in the arms race that cryptocurrency mining has become, even these operations will soon be considered small-scale.
The coffee supply chain is rife with uncertainty, unfairness, and even corruption. Bext360 wants to change that. This video looks at how they’re using machine vision, artificial intelligence, and blockchain payments to bring the largest un-automated system in the world into the digital age.
With its cheap geothermal energy and low crime rate, Iceland has become the world’s leading miner of digital currency. Then the crypto-crooks showed up. The thieves weren’t robbing banks. They were stealing the presses that print digital money.