ZerΔch

⚔️ No shortcuts. ⚔️ No distractions. Smart contract security — every single day until results speak for themselves. Study. Build. Break. Repeat. Zerach // Obsidian Ledger — Entry etched.

Exploring Dynamic NFTs: ERC721 + oracles + evolving metadata ⚡ blog.chain.link/build-deploy-a…

🪙 ERC20, from spec to production. Zerach // Obsidian Ledger — Day 1 📜 Understood ERC20 from the EIP 🛠️ Implemented it manually @RareSkills_io 🧩 Studied OpenZeppelin’s implementation 🧪 Wrote Foundry tests with 100% coverage #Solidity #SmartContracts — Entry etched.

If you're learning Solidity or smart contract security, start thinking like the EVM. 🔐 #Solidity #Ethereum #Web3Dev #SmartContracts

Final thought Most developers think in Solidity. But attackers think in EVM execution. If you understand the EVM: • your contracts become safer • debugging becomes easier • security becomes stronger

🚨 Most Solidity developers write smart contracts… without understanding how the EVM actually works. And that’s exactly why many contracts get exploited. Solidity is just a language. The EVM is what actually runs your code.

@Mastercard yeaahhhh 🔥

Digital assets are entering a new phase. What once ran in parallel to existing financial systems is increasingly being applied to solve practical, real-world needs — often behind the scenes – from cross-border remittances to B2B money transfers. This creates new opportunities to add value in how money moves globally. Today, we introduced the Mastercard Crypto Partner Program — a global initiative that brings together more than 85 crypto-native companies, payments providers, and financial institutions. Together, we're creating a forum for meaningful dialogue and collaboration as this space continues to mature.

I'm building real-world exploit examples with Foundry PoCs. Follow for more smart contract security breakdowns. #Web3 #Solidity #BlockchainSecurity #SmartContracts #Ethereum

The best security engineers don't just read code. They think like attackers.

🚨 It's 2026 and developers are STILL shipping these Solidity vulnerabilities. Hackers made $3.8B+ exploiting smart contracts in the last few years. Most of those hacks came from just 5 simple mistakes. If you're building in Web3, read this. 🧵👇