Delegated Proof of Stake (DPoS) is a consensus model that seeks to supersede Proof of Work (PoW) and Proof of Stake (PoS), with promises of increased efficiency and greater representative democracy amongst coin holders with regards to platform decision making.
As DPoS is an as-yet lesser adopted consensus mechanism, there's a wide range of different approaches in place – and little in the way of standardised definitions. But one big opportunity is becoming increasingly clear: decentralizing e-commerce.
https://hacked.com/future-of-dpos-in-three-projects-cybermiles-eos-and-tron