NNeha Kumari1d ago · 5 min readRevving Up StarknetTL;DR: Learn how to deploy an OpenZeppelin account on Starknet Sepolia with Scarb 2.21 and starkli 0.4.2. Fix the Blast RPC 403 and the pending block-tag error, then confirm the transaction on Voyagersolution-arc.hashnode.dev
CCyber Knight5d ago · 4 min readSomeone Printed $2.7 Million in Crypto Yesterday — Then the Blockchain Got Switched OffFriday, 3:41 PM UTC. The Initia blockchain stopped. Not crashed — stopped. Every transaction on the layer-1 chain and every rollup tied to it froze at once, because the people running the network madenulltrace.hashnode.dev
VVaultionOct 10 · 5 min readWho gets to stall? Designing timeouts and dispute windows for a P2P escrow contractMost escrow contract tutorials stop at three functions: deposit, release, refund. That version works perfectly as long as both people behave. The interesting design work is everything that happens whevaultion.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
DDmytro NasyrovSep 20 · 18 min readReconstruct a Smart Contract Deployment from On-Chain EvidenceA contract address is the start of a deployment investigation. To reconstruct what happened, connect that address to its creation transaction, the initialization code that executed, the runtime code ipharos-production.hashnode.dev
GGulshan YadavSep 10 · 13 min readWriting Efficient Smart Contracts with Solidity — Practical PatternsStorage, reentrancy, gas, and the structural decisions that separate contracts that survive from contracts that drain. I have written my share of Solidity. The contract that taught me the most was notmrgulshanyadav.hashnode.dev
KKowshik K R MAug 31 · 3 min readWe Just Launched Krionex: A Non-Custodial Workspace for Deploying Smart Contracts Across 14 EVM NetworksToday, Krionex is live on Product Hunt — and this is the first time we're properly writing about what we've built and why. The problem we kept running into Launching a smart contract is never really okrionex.hashnode.dev
AAtlas SystemAug 30 · 6 min readThe Interface Looks Trustworthy — But What Does the Smart Contract Say?A polished Web3 interface can create confidence in seconds. Clean typography, animated dashboards, familiar wallet buttons, and impressive numbers all suggest that a platform is professional. But the atlas-system.hashnode.dev
RRowan maththiasAug 19 · 8 min readHow Smart Contract Events Work on EVM BlockchainsA smart contract can execute a token transfer, create an order, mint an NFT, or process a deposit in seconds. But how does an application know that one of these actions actually happened? Reading the rowanmaththias.hashnode.dev
MmehveteroAug 11 · 12 min readBlueMove Was Not an Overflow Bug — How a Cross-Version Reserve Desync Drained 714,000 SUIOn July 11, 2026, at 22:13 UTC, an attacker began draining liquidity pools on BlueMove DEX, a Sui-based AMM. Within 23 minutes, approximately 714,000 SUI — roughly $528,000 at the time — had crossed amehvetero.com