Coingate has massive potential when it comes to earning yourself some bitcoin. Its an exchange platform along with a web based payment platform so you can take crypto currency payments on your website.
The easiest way for anyone to earn bitcoin is by referring people to the site, you can earn around 3% of the profit made from all trades and transactions done by people you refer. If you refer a trader or someone with alot of bitcoin moving around the earnings can be very good.
You can also read a more detailed article on how to setup the referral program on my steemit post here - https://steemit.com/bitcoin/@jimbojones/how-to-earn-bitcoin-with-coingate-exchange-and-payment-gateway-referral-program
