MAMuhammad Asifinblockhertz.hashnode.dev·3h ago · 3 min readReentrancy Attack in Solidity: What It Is, Real Examples, and How to Prevent It (2026)A reentrancy attack occurs when a malicious smart contract repeatedly calls a vulnerable contract's withdraw function before the balance updates — draining all funds in a loop. It is the most common s00
NNebojsaKonstaindefimath.hashnode.dev·2d ago · 8 min readHow I Wrote A Fixed-Point Solidity Sqrt That Runs In 197 GasI live by a simple rule: if a function is on your pocket calculator, I want it in Solidity — as fast as possible, and precise enough that you never have to think about it. Square root is exactly that 00
PSPeter Sjolininpigfox.hashnode.dev·2d ago · 8 min readWhat eight live testnet contracts taught me about testing, gas, and putting an LLM in a settlement pathMost write-ups about smart contract work show you the parts that worked. This one includes the parts that didn't, because those are the ones worth reading. Seven contracts, deployed to Base Sepolia. E00
SSShakeel Sklinblog.solvebar.com·5d ago · 2 min readABI Decoder/Encoder: Read Any Calldata, Build Any Function Call, Right in Your BrowserEvery contract call boils down to a hex string. This tool turns that hex string back into something you can actually read — and back again. Paste any calldata — a transfer, an approve, a DEX swap — an00
AMA.S Myrosinblazephoenix.hashnode.dev·6d ago · 8 min readAnatomy of an Honest DEX Aggregator: How BlazePhoenix Eliminated Simulation Drift and Phantom Liquidity in EVM Bytecodetags: solidity, web3, ethereum, smart-contracts, architecture canonical: https://blazephoenix.xyz/architecture Across the Decentralized Finance (DeFi) ecosystem on Layer 2 networks (such as Base, Arbi00
00x5varogin0x5varog.hashnode.dev·Jul 29 · 91 min readLiquidations 2.0: Inside Sky's Dog, Clipper & AbaciA liquidation is usually described as a simple concept: when a collateralized position becomes unsafe, the collateral is sold, and the proceeds are used to cover its debt. This explanation is useful f00
JLJeremy Longshoreinjeremylongshore.hashnode.dev·Jul 1 · 6 min readx402 Quickstart, GWI ARV Fixes, and the IntentVision DevOps PlaybookTwenty-two commits. Five repos. The kind of day where no single project gets a dramatic breakthrough but every project gets meaningfully better. IRSB led with thirteen commits of documentation and CI 00
JLJeremy Longshoreinjeremylongshore.hashnode.dev·Jul 1 · 5 min readIRSB v1.0.0 Release Prep: Security Audit Scaffold and Mobile UXEleven commits, all in the IRSB monorepo. This was v1.0.0 release prep — the gap between "it works" and "it's ready." README Rewrite The old README was a developer's scratchpad. Bullet points about wh00
JLJeremy Longshoreinjeremylongshore.hashnode.dev·Jul 1 · 6 min readIRSB Security Audit Fixes, git-with-intent v0.6.0, and GitHub Profile OverhaulForty commits across five repos. The biggest day of January by commit count, and most of it was security work that made the IRSB protocol auditable. IRSB Security Fixes (16 Commits) Yesterday built th00
JLJeremy Longshoreinjeremylongshore.hashnode.dev·Jul 1 · 5 min readIRSB On-Chain Solver Registration: Agent ID 967A thin commit day by February standards — four commits across two repos. But one of those commits put an agent identity on-chain, which is worth writing up. IRSB: Solver Registration on ERC-8004 Three00
