Patrick Collins
@PatrickAlphaC
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Co-founder of 🛡️@cyfrin | 🟪 @soloditofficial | 🦅 @codehawks | 🎓 @cyfrinupdraft Building the Web3 we promised.
Level up Web3
Joined September 2019
We need to talk about hardware wallets. 1. If you have one, you're probably signing transactions without checking calldata. 2. If you don't have one, you're more susceptible to hacks. One of these needs to change.
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One of the quickest ways to learn anything is to try it. Smart Contracts: - I kept writing solidity & vyper Running validators & nodes: - I kept running different kinds of nodes Audits: - I sat my ass down and screamed at my computer for days until I found bugs Stay curious
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CCA, powered by @Uniswap is a new, fairer auction mechanism that allows new assets to seed liquidity and discover a fair market price. @aztecnetwork is using CCA for their token auction to distribute ~15% of the token supply in a transparent and verifiable manner I’ve created
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America needs you! Join U.S. Immigration and Customs Enforcement today.
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You can have it both ways. - Free blockchain developer education. - The best blockchain developer education. You don't need to settle for less.
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We're live! Join us with @Cyfrin for a chat on building with a focus on security. ↓ https://t.co/QIO49atfC8
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FFFFFFFFFFFFFFFDFF NNNOOOOOOOOOOO
🚨 Someone lost $233,913 in $aEthWBTC after signing a malicious "permit" signature.
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Power your home for less. Generate clean energy from the sun and save every month with Tesla Solar.
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This is one of the few people you should trust on a multi-sig, because he knows how to spot malicious transactions
Blessed to have earned my second certification from @CyfrinUpdraft! Now, I’m officially a QWS (Qualified Web3 Signer) certified along with SSCD+. A huge thank you to the @cyfrin team and @PatrickAlphaC for creating such amazing tools like Safe Hash and Wise Signer.
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If you’re sending a transaction that sends $500M: Don’t use the Safe UI. Use localsafe.eth. Once all signatures are collected on the Safe UI, anyone can submit. And, you expose what you’re planning to do to the world. Using localsafe has no backend. You can still mess up
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This is a bit ambulance chasing, but I specifically made the site so we could have a decentralized alternative to the Safe UI without a centralized backend.
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If you’re sending a transaction that sends $500M: Don’t use the Safe UI. Use localsafe.eth. Once all signatures are collected on the Safe UI, anyone can submit. And, you expose what you’re planning to do to the world. Using localsafe has no backend. You can still mess up
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Building with Uniswap v4 hooks means thinking about security first. Next Wednesday, join @Cyfrin Lead Security Researcher Giovanni Di Siena for a session on smart contract security and Uniswap v4 hooks. We’ll cover: • Hook permissions and attack surface • Callbacks, access
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People are finally waking up to this. Seems like me making noise is actually helping.
Yeah this is still absolutely terrible Does anyone know what the biggest blocker for this is? Is it the lack of on chain ABI? Or just not important enough...
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Ethereum + AI agents are about to define 2026. ERC-8004 is the missing trust layer. This is how the machine economy actually starts.
We said at Trustless Agent Day @EFDevcon that x402 needs trustless discovery. Today the first 8004 facilitator is live on testnet and fully open-source, the earliest example of 8004 plugged directly into the x402 flow. Up next: the official 8004 extension + trustless discovery.
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The plan was clean. The escape? Not so much. Midway City doesn’t play fair. Wishlist this 4-player coop heist FPS on Steam today.
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Wow @cyfrin has really become the home of TradFi! This year I've led most of those "Redacted" audits for major institutions coming on-chain, I may be among the most experienced TradFi auditors today! Very happy & blessed to help secure TradFi's migration on-chain🫰
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I could watch you all day This is how we scale the L1
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Explore the mysterious world of feudal Japan full of magic... and steampunk! Wishlist on Steam now! 🎴
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