Suggestions on buying digital currency can be following.

 1. Since you are brand new to buying digital currency, you can open a cryptocurrency exchange account. This will give you the option to buy digital currency and exchange them to buy digital currency. Coinbase, Binance, and Kraken are cryptocurrency exchange companies.

 2.You can select suitable or specific apptocurrency according to your choice to buy digital currency.  For example, Ethereum can be a good option if you are interested in blockchain technology. You can also buy Bitcoin if you want.

 3. Use a secure cryptocurrency wallet. Your digital currency will play a role of security in this. Be sure to use secure internet.  Also beware of phishing links.