Articles sur Bitcoin

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Central authorities are still important to create legitimacy in a cryptocurrency. Shutterstock

The blockchain does not eliminate the need for trust

You may have imagined the blockchain would lead to a world without governments or institutions veryifying transactions, research shows that it probably won't.
When using a cryptocurrency, you interact with a system like the blockchain, an online ledger that records transactions, directly. Bitcoin, is an examples of this. www.shutterstock.com

Why the RBA would want to create a digital Australian dollar

A digital Australian dollar could remove the role of middlemen and creates a cheaper electronic currency system, while at the same time enabling the government to fully regulate the system.
One of China’s biggest bitcoin exchanges recently stopped trading after regulators ordered all digital currency exchanges to close — demonstrating traditional institutions’ nervousness about distributed trust technologies. In this 2013 photo, a staff member at Bitcoin mining company Landminers in southwestern China checks a computer used for that purpose. (Chinatopix via AP)

Beyond Bitcoin: The power struggle over trust-based technology

The development of distributed trust technologies is making traditional institutions like banks, corporations and governments nervous. Those who have power like to hold onto it. What's next?
More cryptocurrencies appear all the time. Wit Olszewski/Shutterstock.com

Are cryptocurrencies a dream come true for cyber-extortionists?

Cybercriminals increasingly depend on e-currencies to profit from their misdeeds. They, and their potential victims, could be driving some of the growth in cryptocurrency markets.
Voice authentication technology could be used to increase blockchain security. Merrill College of Journalism/flickr

The blockchain could have better security than the banks

Providing security in the blockchain would convert into a degree of predictability in the technology. If this was shown to work in the long term, it would also create trust.
The change in the price of crypto-currencies, like Bitcoin, and other crypto-assets are due to investors realising the value. Chris Helgren/Reuters

Price hikes in Ether and Bitcoin aren’t the signs of a bubble

While the current speculation in crypto-currency and assets should make us pause, this is not a speculative driven bubble like tulips, or gold mining stocks.
Cryptocurrencies are still the only usecase for the blockchain. Shutterstock

What’s holding up the blockchain?

The blockchain has been successful when it comes to cryptocurrencies like Bitcoin, but we haven't yet figured out other uses.
Many bitcoins equals a heavy environmental burden. Flickr

The bitcoin and blockchain: energy hogs

The digital world is taking more and more space in our lives... and dramatically increasing electrical use. It’s a serious problem given the urgent need fight climate change.

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