What is the Difference Between Coupon Attribution Campaign and Link Campaign?

Coupon Attribution Campaign is a tracking method that enables tracking sales based on voucher codes alone. This means that each publisher is assigned a unique code for the campaign. For every sale generated using the code the publisher gets a commission.

Link Campaign/Tracking Link Campaign is a tracking method that enables tracking sales using the URLs. Each publisher gets unique DCMnetwork tracking URLs to promote on affiliate site. For every sales made using the tracking links the publisher gets a commission.