I need some advice, I had some crypto a few years ago and then sold it and made some good profits and I am now planning to buy some crypto once again and I admit that I am outdated on the crypto world right now. Can someone give a brief explanation of what DeFi is and what are your top 5 coins/tokens and where do you usually trade it. Thanks! 
In my point of view the best crypto investment is always BTC. In these months i changed several times the projects where I invested, but at the moment I am pretty sure that the best 5 are in this order:
1. BTC 50%
2. ETH 20%
3. DOT 15%
4. UNI 15%
5. ATOM
This is my personal list and also how is split my wallet