9h ago · 6 min read · The Foundation: window.ethereum and EIP-1193 For many years, the primary way dApps interacted with Ethereum wallets was through the window.ethereum object — a global injected by browser-based wallets
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4h ago · 5 min read · Flash Loans: How Aave Turned Instant Liquidity Into a $25M Problem February 2020. bZx protocol got torn apart by a $55,000 flash loan attack—pocket change now, but it was the first time anyone weaponized atomic arbitrage on mainnet.[^1] Three years ...
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19h ago · 6 min read · Anyone building in the Web3 space knows how fast the landscape shifts beneath your feet. What started as a simple global object injected by a browser extension has evolved into a complex ecosystem of
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9h ago · 11 min read · The first time I started paying closer attention to Ethereum app development, I kept seeing the same strange terms everywhere. window.ethereum EIP-1193 EIP-6963 ERC-4337 EIP-7702 x402 At first, they a
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1d ago · 4 min read · ERC-20 vs ERC-721 vs ERC-1155: When to Use Each Token Standard Most projects pick a standard and never think about it again. That's how you end up with an NFT collection that costs $200 per mint because you chose ERC-721 instead of ERC-1155. The Par...
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1d ago · 5 min read · On March 5, 2026, an attacker turned 135 BRO tokens into 567 million — then drained $2.7 million in SolvBTC from Solv Protocol's BitcoinReserveOffering vault. The weapon: a callback-driven double-mint vulnerability hiding in the intersection of ERC-3...
Join discussion2d ago · 3 min read · Introduction When I first heard about Arbitrum Stylus, I was curious — why would anyone write smart contracts in Rust instead of Solidity? After going through the HackQuest India Co-learning Camp 19,
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2d ago · 4 min read · Signature Replay Attacks in Solidity: Why Your Metatransactions Are Vulnerable by Default If you've ever built a REST API in Java or Go, you know about idempotency keys. You append a unique identifier to a request so that if a client accidentally se...
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3d ago · 4 min read · Reading a Smart Contract Is Just Reading Source Code—Why Are You Intimidated? When I first moved from backend development to Web3, someone asked me to "audit" a DeFi protocol. I panicked. I'd never seen a smart contract. But then I realized: I'd bee...
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