What's the difference between proof of work, authority, stake, and others?

[realestates15]

What's the difference between proof of  wrok, authority, stake? what's the best to use? when reading whitepapers, i came proof of work, stakte, authority

[EscapePlanETH]

Proof of work is referred to as POW which is a mining system and it has some problems like spamming where as proof of stake is the alternative of proof of work which is free from such spamming problems. Now many projects are shifting from POW to POS system.

[BartholomewBTC]

When every computer tries to add a block to the blockchain by solving complex calculation it is known as POW, POS is just a different way do to what POW does. Lastly, Proof of Authority is an advanced protocol based on POS, where all blocks are checked and approved by a trusted central party.

[HeartDesire888]

Proof of work is basically the complex calculations through blockchain whereas Proof of Authority deals with the security by checking the blocks are okay.

[Silentsweeper785]

Proof of work(pow) create group of trustless transaction or blocks by mining and proof of stake (pos) defines that a person can transact more according to how many coin he is holding. On the other hand proof of authority (poa) is an algorithm which provides much more faster transaction.