Bitcoin et écologie, le point noir Les cryptomonnaies sont intéressantes sur bien des points, mais disposent toutefois de certaines limites environnementales. Ces monnaies virtuelles, de nature énergivore, entraînent une grande consommation d’électricité et davantage pour le Bitcoin. Pour mieux comprendre ce phénomène, il faut tout d’abord s’intéresser au processus…
Bitcoin, Ether, Litecoin, Bitcoin Cash, Iota, Ripple, Monero ... les crypto-monnaies connaissent un succès croissant. Leur extrême volatilité permet aux traders avertis de multiplier les gains sur des périodes de temps très courtes. Contrairement à une idée largement répandue, les plus-values obtenues grâce aux crypto-devises ne sont pas à l'abri…
After raising over $ 55 million and cooperating an decent cooperation gained with the world's largest banks, Ripple is aiming to transform the international bank exchange. The decision of the American start-up Ripple to move to the banking sector was crucial to its development considering that it was initially…
Monero est une une cryptomonnaie très confidentielle, créée en avril 2014. Cette monnaie a connu une grande monté de sa valeur après l’acceptation de l’intégrer comme monnaie de paiement dans Alphabay, le grand site de vente des stupéfiants sur le darknet. L’information a été diffusée par les médias spécialisés en finance,…
Bitcoins can be bought and sold (ie. exchanged for real currency) to and from individuals or companies. Most known platforms like Bitstamp, Mt.Gox, Btc-e and BtcChina use a bid / ask system.
Today’s value is $461 US for 1 BTC, but this is subject to high fluctuation.
We have seen this exchange rate going from $5 in May 2012 to $1150 in December 2013.
The only country where Bitcoin is illegal is Iceland. However, many other states decided to restrict its use. For instance in China, since December 5, 2013, financial institutions are forbidden to handle Bitcoin transactions. They cannot give pricing in Bitcoin or buy and sell the currency. This statement was the cause of a crash of the bitcoin exchange rate.
In Germany, bitcoin has become an official currency, a way for the German government to perceive tax on it. Profits from this money are subject to an income tax granted at a 25% level and businesses that would use this money will be required to pay a VAT amount for each transaction.
In the United States, the Internal Revenue Service announced in March 2014 that bitcoin would be a form of property rather than a currency, meaning that every transaction where Bitcoin is used as payment would be subjected to capital gains tax and that bitcoin mining would be taxed as well. (suite…)
- What is the Bitcoin?
The bitcoin, literally a coin made of bits, is a decentralized digital cryptocurrency created in 2009 by an anonymous developer known under the pseudonym Satoshi Nakamoto. Its symbol is BTC.
- Decentralized because there is no dependency on one central emitter.
- Digital because it is created and stored electronically.
- Crypto because cryptography is used to control the creation and transfer of money.
The bitcoin is a currency while Bitcoin is the payment system used to exchange it.
The bitcoin is very similar to gold. Only 21,000,000 Bitcoins will ever be created as only X amount of gold will ever be discovered on Earth. This is different from usual currencies where central banks can print money at their discretion. (suite…)