What is the difference between proof-of-work (PoW), proof-of-stake (PoS), and delegated proof-of-stake (DPoS)?

This is part of a talk which took place on July 7th 2017 at a Bloktex event hosted by the Wisma BeeOn Group in Kuala Lumpur, Malaysia: https://antonopoulos.com/event/the-future-of-money-kuala-lumpur-malaysia/

RELATED:
Immutability and Proof-of-Work: The Planetary Scale Digital Monument – https://youtu.be/rsLrJp6cLf4
What happens to transaction fees when the block reward is zero? – https://youtu.be/FffX32ENGKc
Decentralized power, leaderless governance – https://youtu.be/E5VbDlQTPzU
The new experimental science of consensus algorithms – https://youtu.be/6N5XlU7Iajk
Could a state-sponsored 51% attack work? – https://youtu.be/KUd8ZGgm6Qo
What is the role of nodes? – https://youtu.be/fNk7nYxTOyQ
Solar energy and mining in space – https://youtu.be/cusakcpa8AM

Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and well-respected figures in bitcoin.

Follow on Twitter: @aantonop https://twitter.com/aantonop
Website: https://antonopoulos.com/

He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters.

THE INTERNET OF MONEY, v1: https://www.amazon.co.uk/Internet-Money-collection-Andreas-Antonopoulos/dp/1537000454/ref=asap_bc?ie=UTF8

MASTERING BITCOIN: https://www.amazon.co.uk/Mastering-Bitcoin-Unlocking-Digital-Cryptocurrencies/dp/1449374042

[NEW] MASTERING BITCOIN, 2nd Edition: https://www.amazon.com/Mastering-Bitcoin-Programming-Open-Blockchain/dp/1491954388

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Music: “Unbounded” by Orfan (https://www.facebook.com/Orfan/)
Outro Graphics: Phneep (http://www.phneep.com/)
Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)

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