What is a cryptocurrency?
A cryptocurrency, also known as cryptoactive, cryptocurrency, cryptographic currency or even cyber money, is a currency issued peer to peer, without the need for a central bank, usable by means of a decentralized computer network. It uses the principles of cryptography and associates the user with the process of issuing and settling transactions. Source wikipédia
What are the benefits of cryptocurrencies?
- Transactions are made without an intermediary. The costs are therefore very low.
- Transactions are almost immediate (a few minutes).
- They are used all over the world.
- Transactions are anonymous.
What are the disadvantages of cryptocurrencies?
- They are very unstable.
- If you lose your cryptocurrencies, there is no way to get them back.
- They are not yet recognized in the legal framework.
How long has bitcoin been in existence?
BITCOIN has been in existence for over 10 years.
What is Bitcoin? How it works ?
I selected this video (French) which dates from 2016. In less than 20 minutes, you will have understood how it works and why this technology is revolutionary.
How many cryptocurrencies are there?
5,296 cryptocurrencies (April 2020).
The reference site COINMARKETCAP gives you all the useful information about cryptocurrencies.
We can consider that COINMARKETCAP is the reference site.

How to buy and sell Cryptocurrency?
To buy and sell cryptocurrencies you must open an account on a cryptocurrency platform.
One of the best known is COINBASE . Opening an account is really very simple and very fast.
You open an account. here is my referral link to open an account. You earn 9.27 euros with this link and I also earn this sum. A minimum amount of € 92.27 is required to receive the € 9.27
https://www.coinbase.com/join/lasque_0
You can buy cryptocurrencies directly with your credit card (immediate solution).
(Fees April 2020)

Coinbase offers to buy many cryptocurrencies (17 as of April 2020)
For learning reasons, it is best to start with BITCOIN.
Warning:
Of course never invest more than your means allow.
This article is not intended to provide investment advice.
The goal is to understand how cryptocurrency works.
Conclusion
You now know:
- That cryptocurrency is a revolutionary technology
- Cryptocurrency builds on technology Blockchain
- That the transactions are carried out without a trusted third party
- How To Buy Cryptocurrencies
I remain at your disposal.
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