exchange

Hello ! I am new to the world of cryptocurrencies, figured out where best to store, but where to exchange the most profitable, I can not find yet, tell me who knows where to find a quality crypto exchanger. I look forward to your answers, thank you in advance:):)

When opening a Coinbase account to start buying BTC, there is obviously the question about providing ID, which is either a passport or drive's license photo. Is there any benefit in providing one over the other in terms of risk? (While it seems easy to load ID onto Coinbase, it still is...