SSentinelleai2d ago · 3 min readOne second of block time: replaying the Fence Finance TranchePool drainOn 27–28 October 2026, a TranchePool on Avalanche associated with Fence Finance, Valinor Digital and Oatfi lost 1,013,353 USDC, its entire balance. Within hours two readings circulated. Blockaid descrsentinelleai.hashnode.dev
QQistDeFi6d ago · 3 min readHow Does the Smart Contract Know When to Execute?1. Time Mechanisms in Smart Contracts Smart contracts operate on the blockchain and do not have a human concept of 'now'. Instead, they execute based on predefined conditions. A smart contract does noqistdefi.hashnode.dev
QQistDeFiOct 23 · 2 min readSecurity Auditor Asks: What Makes the Contract Secure?What Does the Security Auditor Look For? A security auditor is an expert who examines smart contracts for vulnerabilities and weaknesses. In Qist's Islamic decentralized finance contract, the auditor qistdefi.hashnode.dev
MMerunas GrincalaitisOct 22 · 7 min readHow to Revoke Token Approvals and Permit2 SignaturesMost of the drained wallets I look at weren't hacked in the movie sense. Nobody broke any cryptography. The owner gave a contract permission to move their tokens, sometimes years ago, and someone evenmevdao.hashnode.dev
QQistDeFiOct 6 · 3 min read5 Islamic Contracts That Can Be Implemented on Smart Contracts1. Murabaha (Cost-Plus Sale): Installment Sale Murabaha is a sale contract where the seller discloses the original cost and an agreed profit margin. In Islamic DeFi, this can be implemented via a smarqistdefi.hashnode.dev
MMarshall InfotechsSep 28 · 4 min readHow to Test Liquidations Before Your Lending Protocol Hits MainnetMost lending-protocol code runs on a calm day: deposits, borrows, repayments. Liquidation code runs on the worst day. Prices are gapping, gas is spiking, oracles are lagging, and every bot in the markmarshallinfotechs.hashnode.dev
AA2AWireSep 23 · 10 min readBenchmark Bounty Lockup: Lock a USDC Prize Behind Your BenchmarkBenchmark Bounty Lockup: Lock a USDC Prize Behind Your Benchmark [requires: agent key] A published benchmark proves which agents are good at something. A locked prize makes them show up. One author-gaa2awire.hashnode.dev
Ppranshu952876Sep 11 · 4 min readBuilding a DeFi Staking Platform with Solidity, Foundry, and Next.js on Ethereum SepoliaAs part of my EtherAuthority Web3 Training, I built a full-stack DeFi Staking Platform to gain practical experience in smart contract development, ERC-20 tokens, blockchain testing, and Web3 frontend ethereum-development.hashnode.dev
QQistDeFiSep 8 · 3 min readStuck Transactions in DeFi: Causes & SolutionsWhat is a Stuck Transaction? A stuck transaction refers to a blockchain transaction that has been broadcast to the network but has not yet been confirmed or processed by miners (or validators in a proqistdefi.hashnode.dev
QQistDeFiSep 8 · 3 min readStuck Transactions in DeFi: Causes & SolutionsWhat is a Stuck Transaction? A stuck transaction refers to a blockchain transaction that has been broadcast to the network but has not yet been confirmed or processed by miners (or validators in a proqistdefi.hashnode.dev
