Serfbux.com is a Paid To Click program or PTC. PTC connects advertisers and viewers; the advertiser pays for ads while the viewer get paid for viewing the ads.
Profit Per Click : up to $0.01 per click
Referral Rate : up to $0.01 per referral click
This is what it says on Serfbux.com website:
Serfbux.com is a PTC or paid to click program. Paid to click or PTC is an online business model that draws online traffic from people aiming to earn money from home. PTC websites act as middlemen between advertisers and consumers; the advertiser pays for displaying ads on the PTC website, and a part of this payment goes to the viewer when he views the advertisement.