15. Discreet Log Contracts
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- Опубликовано: 10 фев 2025
- MIT MAS.S62 Cryptocurrency Engineering and Design, Spring 2018
Instructor: Tadge Dryja
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Discreet log contracts including conditional payments, oracles, and anticipated signatures are covered.
License: Creative Commons BY-NC-SA
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It appears to me that the entire “the oracle would not lie because of reputation” argument could also be applied to the very simple setup described in the beginning. And even with the more advanced contract setup, one of the parties could bribe the oracle. I guess the advantage is that the oracle cannot equivocate making the reputational cost of lying more severe, but that only works if many contacts depend on the same value.
You could also make the point that if you have to trust the oracle anyway what’s the added value of clearing the contracts on the blockchain? The oracle could be an institution also doing the execution, the same reputation argument would still apply, wouldn’t it?
1:12:17 the promise of the so-called synths or stock tokens
How does this have so few views and likes??!!
Great talk!
is the nonce same in the DLC? if yes, isn’t it vulnerable to the same attacks as playstation 3? if not, do the equations work?
How is the class not audibly laughing at his insurance betting joke? Tough crowd...
Sheesh no kidding that was quality 👌 👌 😂
I think they were, just low chuckles
讲得很好！！！
Can someone explain the idea behind currency futures? How does the dollar side of things work? Sounds like if you don't trust the counter party, you're gonna lose money. Unless there's a way to prove that the money was transferred using the oracle?
Maybe... guessing you do this over the counter, you get $100 after putting over $100 worth of BTC in a contract, wait for the next price publish from the oracle and immediately settle with the correct price of BTC based on the oracle.
I think it would very much enrich the course if you added a detailed thorough comparison with Ethereum smart contracts. However, then the course should have included an introductory lecture about Ethereum, how the EVM works, tokens,... etc all the differences.
Maybe this was added in following years, as this was in spring 2018.
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Thank you