There are many ways in which advertising is offered on blogs. Buying a Pay per Click (PPC) or Pay per View (PPV) campaign is something that can be done on any website including blogs. Paying a blogger to write post about your brand or product can only be done on a blog. The paid review or advertorial which is paid per post is the only form of advertising that truly is blogvertising. There are many platforms that help advertisers to find bloggers.
Some of the most popular of these pay per post platforms according to Google trends: