Read about cryptocurrencies and the associated opportunities and risks
First of all it's important that you understand what you're going to trade in. So it's recommended to learn basic information about cryptocurrencies so you know what it actually means. On Bitcoin Kahuna you can find under the heading 'crypto basics' enough information to help you get started. It was probably already clear to you there are risks associated with trading cryptocurrencies. The value of the coins is variable. You can make money fast, but you can also lose money quickly.
Start at a Broker
After you've decided to start trading in crypto choose a reliable crypto currency broker and register yourself. Brokers offer the most convenience for novice traders. They enable you to exchange Euros to bitcoin (or other crypto coins) and back to Euros in an easy and fast way. They also offer an easy way to store your purchase in an online wallet so you don't have to organize this yourself. It is important you use a reliable broker with a good helpdesk that you can also contact by phone.
Of course it is nice to have low trade fees but it is even more important you use a reliable the broker that let's you easily dispose of your money. Since the end of May 2020 all crypto parties in the Netherlands must register their services at De Nederlandsche Bank (DNB). In doing so, they must meet all kinds of strict requirements. This will help increase the reliability of the parties. The Dutch brokers and exchanges shown on Bitcoin Kahuna are all registered or are in the process of getting registered.
After you register with a Crypto broker you are ready to start trading in Bitcoin and many other cryptocurrencies! Investigate the crypto coins in which you are interested in and try to find some basic trading principles so you can minimize the risk.
Once you have purchased a certain currency it will appear in your wallet in which you can store many cryptocurrencies. The value of the cryptocurrency is constantly changing and you will have to think about a trading strategy.
Once you get used to trading in these coins you can consider using an exchange. Especially with very frequent trading, fees can care and you get extra functionalities offered (more info: what is the difference between a broker and an exchange. However, a large proportion of traders usually continue to use the broker they started out with due to confidence, ease of use and the fact that the rates of brokers are becoming lower.
Doing your own research is important. Here are some standard sources: