Aadmininswiftnodes.hashnode.dev·Sep 30 · 8 min readHow Old Is 'finalized'? We Measured 62 Chainseth_getBlockByNumber("finalized") looks like a universal answer to "is this transaction safe to act on?" Wait until the transaction's block is at or below finalized, then credit the deposit. The metho01I
SBSomnath Banerjeeinzilkworm.hashnode.dev·Sep 29 · 31 min readIntroducing MFBD - A minimally perfect hash based flat witness format for zkEVMsThis article describes the motivations, the current format and the rationale behind the choices, and introduces the new MFBD flat bundle format. The article centres zilkworm as the zkEVM, but the idea00
DMDora Mileninkripto-pocetnica.hashnode.dev·Sep 26 · 30 min readZašto zamene unutar novčanika mogu neprimetno da koštaju korisnike od 3% do 7%Najskuplji broj na ekranu za zamenu često je upravo onaj koji nikada nije označen. To je razlika između tržišne vrednosti koju korisnik daje i tržišne vrednosti koju dobije nakon trgovine. Novčanik mo00
Aadmininswiftnodes.hashnode.dev·Sep 25 · 8 min readWe Tested 945 Public RPC Endpoints. Half Don't Work.Public RPC lists are how most developers find an endpoint: open Chainlist, copy the first URL, paste it into a config. The lists tell you an endpoint was added at some point. They do not tell you whet00
TOTapbit Officialintapbitofficial.hashnode.dev·Sep 22 · 8 min readPublic vs Private Mainnets Explained: Access Control, Finality, and SettlementA blockchain can process real transactions before it becomes openly accessible. That makes the word mainnet less precise than it first appears. Some production networks begin with a restricted group o00
DNDmytro Nasyrovinpharos-production.hashnode.dev·Sep 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 i00
Aadmininswiftnodes.hashnode.dev·Sep 19 · 12 min readArbitrum RPC: A Developer's Guide (Chain ID 42161, ~250ms Blocks, Fake Gas Limit)Arbitrum One is the rollup most Ethereum code runs on unmodified, and that is exactly the problem: it does run, right up until a number stops meaning what your code assumes it means. The block gas lim00
SAStefan Adolfinstadolf.hashnode.dev·Sep 18 · 20 min readEthereum's Three-Fork Arc Toward a Fast, Private, Quantum-Ready State MachineEthereum is in the middle of an unusually coherent stretch of protocol engineering. Fusaka is live and has turned data availability from a scaling cliff into a dial that gets turned up between forks. 00
Aadmininswiftnodes.hashnode.dev·Sep 18 · 13 min readEthereum Classic RPC: A Developer's Guide (Chain ID 61, No EIP-1559)Ethereum Classic is the awkward one in the EVM family. It isn't a rollup, isn't a sidechain, and didn't fork off Ethereum's design — it is the original Ethereum chain, continuing the history that the 00
DNDmytro Nasyrovinpharos-production.hashnode.dev·Sep 13 · 17 min readDesigning Idempotent Blockchain Event Handlers: Retries, Reorgs and RecoveryA blockchain event handler can process the same notification twice and still be wrong after correctly deduplicating it. The harder failure appears when the notification belongs to a block that stops b00
