It always starts with doing some good research about the topic. So It would be wise to read the Bitcoin whitepaper first. Also I would recommend to get to know what a distributed Blockchain network is all about.

If you are about to invest into crypto but also a little bit overwhelmed by all the possible exchanges don't worry too much about that. Just pick the biggest ones in trading volume. This could be Coinbase , Binance or Bitfinex.

I wrote an interesting article about starting investing in cryptocurrency.Hope this could be helpful!