This is your gateway to owning cryptocurrency.
One example of a centralized exchange is Crypto.com.
No Centralized Exchange is 100% risk free. However, the largest are subject to regulations in the countries they operate.
You use your bank funds to "bridge" from fiat currency to cryptocurrency on the exchange.
For example: $ for BTC.
That's it! Welcome to the world of crypto.
You will see the balance of whatever you purchased in your online account's "digital" wallet!