http://wiki.gridcoin.us/Proof-of-Research
Proof of stake - consensus method for processing transactions / securing the network based on an investors stake in the network and age of the coins
https://en.wikipedia.org/wiki/Proof-of-stake
Proof of work - consensus method for processing transactions / securing the network based on solving cryptographic hashes, depends on the hash rate of the equipment deployed for mining
Another method for consensus is Directed Acrylic Graphs and is used for Byteball and Iota.
Proof of concept - has nothing to do with mining or minting (used as a synonym for staking), this means a simplified model which proves that a methodology is feasible
Good answer but I would just like to add some examples to that.
Proof of stake - Stratis, cream, sprouts and a few others.
Proof of work - Doge, Bitcoin, litecoin.
Proof of concept - Raiblocks.
Sorry I can't really think of many POS coins right now.
Yeah, examples makes me easily understand those above explanation. Any other example of PoC?
i think also PoC means Proof of community ! if someone can develop and tell us the different with proof of concept !?