Because it is an asset that is traded on global markets. Just like stocks and shares, prices fluctuate depending on news, supply and demand, and general speculation. Some say that cryptocurrency fluctuates more than stocks and shares, which is generally true.

There is no one best time where you should invest in cryptocurrency. You should consult a professional accountant or financial advisor if you are to make a large investment into cryptocurrency.

There are more than 13 000 active cryptocurrencies according to various sources. This value does not include inactive or 'dead' cryptocurrencies which do not actively trade on any markets or exchanges. The reason why this is so high is because anyone can create a cryptocurrency and the computer code to do so is publicly available.