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Ethereum Q&A: How do smart contracts work?



How do smart contracts in Ethereum work? How are operations carried out with out middlemen? Do smart contracts work with exterior inputs or real-world occasions? Can we guarantee that oracles are usually not corrupted?

These questions are from the MOOC 10.6 session, which came about on October 11th 2018. If you’d like early-access to talks and an opportunity to take part within the month-to-month stay Q&As with Andreas, turn into a patron:

Observe: Apologies for the color glitch in direction of the tip of the video.

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Andreas M. Antonopoulos is a technologist and serial entrepreneur who has turn into one of the crucial well-known and revered figures in bitcoin.

Comply with on Twitter: @aantonop
Web site:

He’s the creator of two books: “Mastering Bitcoin,” printed by O’Reilly Media and thought of the most effective technical information to bitcoin; “The Web of Cash,” a guide about why bitcoin issues.

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MASTERING BITCOIN, 2nd Version:

Translations of MASTERING BITCOIN:

THE INTERNET OF MONEY, v1:

THE INTERNET OF MONEY, v2:

Translations of THE INTERNET OF MONEY:
Spanish, ‘Web del Dinero’ (v1) –
French, ‘L’web de l’argent’ (v1) –
Russian, ‘Интернет денег’ (v1) –
Vietnamese, ‘Web Của Tiền Tệ’ (v1) –

MASTERING ETHEREUM (This autumn):

Music: “Unbounded” by Orfan (
Outro Graphics: Phneep (
Outro Artwork: Rock Barcellos (

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24 comments

  1. Ethereum is already dead. The only thing that Vitalik and co. are doin is the so called HIT AND TRIAL hoping it would finally click and work and they might finally build a world's super computer. Ethereum wasnt developed to scale from d scratch. Ethereum was built too early widout strong foundations. Those who arnt able to see the consensuschange from PoW to PoS are literally FANBOYS.

  2. Andreas.!! Thank you so much for your insight. I learn so much from you. The clarity in which you speak makes things so simple & easy to understand. I really hope to meet you some day.!!!

    Be well.!!!

  3. Would have loved for you to reference Chainlink (decentralized oracle provider) in your discussion on the 2nd question. Maybe next time 🙂

  4. Always good. Keep it up. We are counting on you!

  5. We need some open source ai to verify real world events and then eli5 to humans how it came to that conclusion

  6. how did you make your shirt turn pink? is that a bitcoin jesus miracle? 😨😱

  7. Interesting talk on oracles. aeternity is doing some good work in the area with oracles integrated in the main chain, sensors and crowd sourced data

  8. It's not often I watch a Youtube video and wonder if I've accidentally taken drugs. Good work Andreas.

  9. Hi Mr Antonopoulos. I've tried searching your channel for your views on Algorand but couldn't find anything. Is it that bad?

  10. Did you borrow the shirt from Sergey Nazarov?

  11. If only some Link could help with the chain.

  12. SIGH it's going to take a long time for useable offchain-data-integrated smart contracts to become useful. I just wish there were some legitimate decentralized oracle projects out there, instead of scams like Mobius and Chainlink.

  13. So which application is best for it? None for the foreseeable future? I'm left with the impression even that's a generous statement, as apparently smart contracts are suited to automate all those things we really don't want automated.

  14. Computation needs to become cheaper. Hopefully pos will help.

  15. come on man! I am already unsubscribing! It's just another NWO agenda… cut it out! I could never dowload a node up to date! Ever! Never! Not ever!! Cut the bs!!

  16. Do you think an organization will be created, like OPEC, which will regulate bitcoin mining, between state mining pools?

  17. Andreas, What is your opinion about quantum technology regarding Bitcoin? Can you destroy the technologies that involve Bitcoin?

  18. Hello, Im almost sure I already know the answer, but i would just like to know what you would say about TRX. Just a yes or no (or shit) is ok xD In my opinion, I really feel like every direct competitor to ETH will die, or at least ETH will always be the king at what it does. TRX is a dangerous illusion in my opinion :/

  19. This helped make this concept a lot more clear. 🤘