Today, Cyfrin is taking the next step to level up blockchain security by fixing a broken hiring system. Introducing Cyfrin Jobs ✨ Where the leading on-chain organizations meet verified talent to fill mission-critical roles. But first, why does web3 need another jobs board? 👇
I'm really not going to be on LinkedIn
Today, Cyfrin is taking the next step to level up blockchain security by fixing a broken hiring system. Introducing Cyfrin Jobs ✨ Where the leading on-chain organizations meet verified talent to fill mission-critical roles. But first, why does web3 need another jobs board? 👇
Lessons learned about gas optimization
Losing my touch, I was only gone for a short while. Buildin a Token Gated Access Control contract
Losing my touch, I was only gone for a short while. Buildin a Token Gated Access Control contract
Someone told me a couple years ago "Idris, you don't need to know everything to start. You just need to start. 'I need to learn more' is often a crutch. Use the best idea you have right now." Forever grateful 🙏 Replace "Idris" with your name. You will do great things.…
You go cry😂
#SmartContractDev Day 20 Introuduction to smart contract security and auditing learnt the various methods used in auditing such as manual review, fuzz testing, static analysis and formal verification Intro to symbolic execution Finally completed the advanced foundry course 🚀
Information overload is sooo sooo bad. Just take the break when it is needed
#SmartContractDev Day 19 ✅ Wrapped up the ZKsync MinimalAccount project! 📚 New Chapter: Introduction to DAOs. 🛠️ Built a basic DAO from the ground up using Foundry.
#SmartContractDev Day 18 ZKsync MinimalAccount is built.🛠️ Now putting it through the wringer with tests.
#SmartContractDev Day 17 ✅ Major milestone: MinimalAccount live on testnet! • Streamlined UserOperation flow for local & testnet dev • Core Ethereum AA implementation tested & functional • Now porting to ZKsync (almost complete)
#SmartContractDev Day 15** • Built the execute function • Completed deployment script • Started writing tests
#SmartContractDev Day 14 🚀 Diving Deep into Account Abstraction (ERC-4337) • Built a minimal AA smart contract • Explored packed UserOperations (gas efficiency wins!) • Studied the EntryPoint contract’s role as the AA traffic cop
#SmartContractDev Day 12 • Built an upgradeable calculator (V1 → V3) on Remix: SimpleProxy → CalculatorV1 → V2 → V3 Tested seamless upgrades via delegateCall • New Frontier: Started exploring Account Abstraction (ERC-4337) 🔍
#SmartContractDev Day 11 🛠️ Upgradeable Contracts Deep Dive • Tested Transparent vs UUPS proxies (still untangling best use-cases) • Implemented EIP-1967 storage slots 🔍 • Hands-on with OpenZeppelin’s UUPS templates Still wrapping my head around these all
#SmartContractDev Day 10 ✅ Airdrop System Complete! • Built secure claiming script • Implemented signature splitting (v/r/s) • Tested spoofing: Claimed airdrop via Anvil default keys 🔑→📭 🔥 New Challenge: • Began Upgradeable Smart Contracts #Ethereum #SmartContracts
#SmartContractDev Day 9 🔐 Deep dive into cryptographic signatures: - Mastered ECDSA implementation - Saw how signatures enable permissionless claims ⌛ Merkle Airdrop section: - 95% complete (minutes away from finishing!) - Finalizing claim verification logic
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