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Haseeb Qureshi
@
hosseeb
San Francisco, CA
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Managing partner @dragonfly_cap. Formerly Metastable, @Airbnb, @earndotcom. Effective Altruist. Writer. Former poker pro. One always finds one's burden again.
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2.339
Tweetovi
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336
Pratim
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16.788
Osobe koje vas prate
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Haseeb Qureshi
@hosseeb
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14 h |
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You're very welcome. Glad you found it educational. 🙏
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The Blockchain Debate Podcast
@BlockDebate
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16 h |
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"#DeFi is DeFicient" Debate - @udiWertheimer vs @hosseeb - is recording tomorrow!
Don't forget to vote in pre-debate poll below, and ask your questions below. Best question wins 0.25 ETH.
Get ready for the mental workout🧠💪 twitter.com/BlockDebate/st… pic.twitter.com/YP3LYvGxo1
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Haseeb Qureshi
@hosseeb
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18 h |
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It stores snapshots of earlier states. Think storing deltas that can recompute current states vs storing past states themselves.
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Haseeb Qureshi
@hosseeb
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18 h |
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My bad, I was wrong here. Not sure why I thought Ethereum full nodes only stored current state + historical block headers. Must have been some pruning mode I was confusing.
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Matter Labs
@the_matter_labs
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31. sij |
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Excited to announce the long-awaited alpha release of Zinc framework — a programming language and execution environment for easy creation of safe zero-knowledge proof circuits (programs to run on ZKPs).
medium.com/matter-labs/re…
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Celia Wan
@celiawan2
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2. velj |
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My favorite kind of tech insights are those that use a tech concept to thread together the social discourse it’s built under. Such good read this Sunday AM via @hosseeb @ashwinrz
link.medium.com/DwP5917LK3 pic.twitter.com/HH3Dx2kj2K
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Bhavana Jain
@bhavana_jain27
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31. sij |
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Introduction To Cryptocurrency by @hosseeb is very well-structured and fun to read.
Eagerly waiting for the next chapters!
nakamoto.com/introduction-t…
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Balaji S. Srinivasan
@balajis
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30. sij |
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Going viral
What if this coronavirus is the pandemic that public health people have been warning about for years?
It would accelerate many pre-existing trends.
- border closures
- nationalism
- social isolation
- preppers
- remote work
- face masks
- distrust in governments
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The Blockchain Debate Podcast
@BlockDebate
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30. sij |
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Motion of 3rd Episode: #DeFi is DeFicient!
@udiWertheimer (FOR) vs @hosseeb (AGAINST)
Answer pre-debate poll & reply with your questions to be addressed by the debaters. Best question gets 0.25 ETH!
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Matthew Green
@matthew_d_green
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30. sij |
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Reading this article on Plasma, it’s amazing to me that people started coding this thing up — when problems like this existed and were unsolved. medium.com/dragonfly-rese… pic.twitter.com/QkVUv271h1
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Avive
@avive
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30. sij |
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Well written. Anyone who's involved in designing blockchain solutions should read this and think about what are the main lessons from this. Some are more obvious, some are less. For me the main takeaways are: twitter.com/hosseeb/status…
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Brian Nistler
@Briannistler
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30. sij |
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This intro by @hosseeb is a must read + my first toe dip into coding where I don't feel immediately lost. nakamoto.com/introduction-t…
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Haseeb Qureshi
@hosseeb
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29. sij |
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I think we're imagining that Bitfinex doesn't know that the UTXOs are tainted until a couple weeks later. Then law enforcement shows up and demands to claw back some BTC. Who do they claw back from?
My answer is probably Bitfinex, even though the UTXOs are technically traceable.
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Emin Gün Sirer
@el33th4xor
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29. sij |
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Ethereum has chased down a couple of technological dead-ends. @hosseeb and @ashwinrz tell the story of Plasma. twitter.com/hosseeb/status…
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Haseeb Qureshi
@hosseeb
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29. sij |
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I don't know exactly how these things work in practice TBH, but I'd guess 3) is the default, because it's really the only reasonable solution.
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Haseeb Qureshi
@hosseeb
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29. sij |
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2 is kinda weird though, so that seems undesirable.
3) Bitfinex itself is on the hook for the tainted Bitcoin no matter what happens on exchange. The particular UTXOs stop mattering because of the messy ontology of how exchange UTXOs work. Bitfinex gets clawed back.
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Haseeb Qureshi
@hosseeb
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29. sij |
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2) Whoever is paid with the hacker's UTXOs is in possession of the stolen Bitcoin. Note that usually Bitfinex is indifferent to which UTXOs pay which customers. They don't try to match up UTXOs based on who filled which order. So it might be some random trader who is now tainted.
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Haseeb Qureshi
@hosseeb
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29. sij |
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There are three ways of approaching this.
1) Whoever filled the hacker's order on Bitfinex, they are now in possession of stolen BTC. Even if when they withdraw they are paid with different UTXOs, who cares—they were the opposite side of the trade and can be clawed back.
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Haseeb Qureshi
@hosseeb
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29. sij |
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Correct. Regular transaction data does not necessarily weigh down full nodes (as Ethereum calls them). Their storage requirements are only increased by state growth.
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Haseeb Qureshi
@hosseeb
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29. sij |
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In Bitcoin, the separation of coins used in different payments persists. They're all totally separate physical coins in a jar, and you can choose not to use a tainted one. In Ethereum, it all gets intermingled like adding water into a cup. You can't "not use the bad water."
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