Have you used coinbase? Can you make money here or is it a waste of time? Is the site secure?
If you do talk into their platform
https://pro.coinbase.com/ . Then for sure there were lots who do make profit and basing up the volume then theres no doubt with that..
Aside on being an exchange, there still lots of fellas who do make use of as an exchange wallet which isnt really a suggested thing to be done.