This is a very in-depth article on the arbitrage and cryptocurrencies of high-volume coins like Bitcoin. You would never think to profit from this is hard but the example of Filecoin really shows the extreme opportunity.
Protect your money https://quantlabs.net/banking/
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!