After the craze for Bitcoin and other crypto-currencies, it would appear that the trend is currently in favour of Gold.

Indeed, the collapse of crypto-currencies (loss of 70% of the total value of virtual currencies) in recent months and especially Bitcoin which fell below 7 000 USD, encourages investors anxious to preserve their capital to move towards precious metals.

But first of all, what is Bitcoin and what is its origin?

Bitcoin would have been invented by a Japanese named Satoshi NAKAMOTO in 2009. However, this remains a rumour as many people have proclaimed themselves as the inventors of the famous digital currency.

The Bitcoin principle is quite simple. It is a new currency outside the banking system based on what is called the "Block-chain". The block-chain being metaphorically a chain of bicycle of which each link is a book of account which lists a great number of transactions.

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