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Quit Profile picture
@0xQuit
Jun 4 • 1 tweets • 1 min read • Read on X
tl;dr here:
- Shielded Labs engaged a gigachad security researcher to target the Orchard circuit for vulnerabilities
- Researcher found a bug that would've let him infinite mint $ZEC without detection
- Bug was fixed in a few days time
- Unlikely that somebody found/exploited this but not impossible
- Impossible to prove without another network upgrade, which will be proposed in the coming weeks
- $ZEC down 25% on the news

• • •

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More from @0xQuit

Quit Profile picture
Oct 13, 2025
There is a new class of people all trying to arb the NFTStrategy contracts. As the self proclaimed guardian of these contracts, I peak at how each participant operates.

Most deploy unaudited contracts to use, typically along with EIP7702 delegations.

1/🧵
2/ I can't stress enough that before delegating your whole account to a contract you spun up with the help of ChatGPT... actually, just don't delegate your whole account to a contract you spun up with the help of ChatGPT.
3/ Some folks are using empty EOAs to run the arb. That's generally fine, as a contract exploit risks at most what you have in your account. However, you still put yourself at risk if you ever use the account for something else in the future.
Read 10 tweets
Quit Profile picture
Apr 9, 2025
A beginner's guide to bear markets:

Your portfolio is down bad. It's too late to short, too early to long, and swing trading will just bankrupt you faster. You're struggling mentally. Here's how to productively spend your time during crypto winter.

1/🧵
2/ Learn a skill and monetize it. Take your focus off the price charts and shitcoins, and CREATE. AI has made this easier than ever: vibe code some apps, create daily artworks—learn something that can earn you cash on the side.
3/ Use a percentage (not 100%, please) of that income to grow your crypto allocation. You'll be buying at favorable prices while developing marketable skills that last beyond any market cycle.
Read 13 tweets
Quit Profile picture
Feb 28, 2025
1/ Shadows have begun their soft rollout -- the contracts are deployed and will publicly launch when the rest of the pieces (frontends, indexer, etc) come together.

I just did an in person tweet thread at ETH Denver, and shadowed my ape live on stage. Below is that thread 👇
2/ NFTs have traditionally existed on a single chain (usually Ethereum).

That's where they were born, and it's where the majority live even today. Bored Apes, CryptoPunks, Pudgy Penguins, Azuki, and more all live exclusively on Ethereum.
3/ Those NFTs have probably changed your life in some way, big or small. Maybe it was the ApeCoin drop, Lil Pudgies, $anime, or something else entirely.

Owning an NFT signals that you're part of a community, and with that comes benefits both intangible and tangible.
Read 24 tweets
Quit Profile picture
Dec 21, 2024
Exited all my validators, and I think it's worth discussing: Ethereum has an incentive problem.

1/🧵
2/ Proof of stake is a simple concept on the surface: those with money at stake are rewarded in exchange for honest validation of new blocks.

If you're dishonest, your stake is vulnerable to slashing (aka, there is a high cost to dishonesty).
3/ Similar to difficulty adjustments with bitcoin, incentive to validate should naturally reach equilibrium as stakers reach consensus on what APY justifies the opportunity cost of locking up ETH.
Read 11 tweets
Quit Profile picture
Oct 3, 2024
Flash loans are zero risk loans where the full loan amount must be paid back in the same transaction is was originated. They are useful for arbs or opportunities for profit where you simply don't have the ETH up front.

But this one actually sacrificed a punk...

1/🧵 Image
2/ Today's loan was not a profit opportunity - at least, not directly (we'll get to that later).

To execute, two contracts were used (we'll call them Contract A and Contract B).

Contract A is in charge of listing the punk, and Contract B handles buying it.
3/ The progression:

Contract A holds Punk #1563, Contract B holds nothing.

Contract A lists for 24,000 ETH.

Contract B borrows 24,000 ETH from Balancer.

Contract B buys #1563. Contract B now has #1563, contract A has 24,000 ETH.

Contract A returns ETH to Balancer. Image
Read 10 tweets
Quit Profile picture
Sep 11, 2024
Punk 2386, with a current high bid of 600 eth, sold for 10 ETH today.

A combination of clever sleuthing, followed by an unfortunate miscalculation leads to a 7 figure payday for 0x282.

🧵 Image
2/ This ape punk was fractionalized into 10,000 ERC20 tokens on 9/26/2020, and spread out among what is now 257 holders.

This was done on a now decommissioned platform called niftex (the contracts continue to live forever).
3/ The setup is such that any shareholder can propose a "shotgun", whereby any shareholder can propose a buyout price, and if nobody counters, they can purchase the asset after 14 days.
Read 9 tweets

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