KKKowshik K R Minkrionex.hashnode.dev·12h ago · 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 o00
Aadmininswiftnodes.hashnode.dev·18h ago · 5 min readPulseChain RPC: Chain ID 369 and the Full-State Ethereum ForkMost chains start from an empty genesis. PulseChain started from a copy of Ethereum. Launched May 13, 2023, PulseChain (chain ID 369) is an EVM-compatible Layer 1 built as a full-state fork of Ethereu00
Aadmininswiftnodes.hashnode.dev·1d ago · 5 min readOptimism RPC: The Chain That Became a TemplateMost layer-2s are chains. Optimism is a chain and a template. OP Mainnet (chain ID 10, public mainnet since December 2021) is one of the oldest and most battle-tested optimistic rollups — and its code00
Aadmininswiftnodes.hashnode.dev·2d ago · 5 min readtrace_filter and trace_transaction: Reading What Receipts Can't ShowA successful receipt tells you almost nothing about what a transaction actually did. The token moved, but through which contracts? The call succeeded, but which internal transfer carried the value? Lo00
Aadmininswiftnodes.hashnode.dev·3d ago · 5 min readJSON-RPC Error Codes, Decoded: Retry, Fix, or Accept?Every developer building on EVM chains eventually stares at {"code":-32000,"message":"..."} at 2am, unsure whether the problem is their code, the node, or the blockchain itself. That distinction is th00
Aadmininswiftnodes.hashnode.dev·6d ago · 5 min readThe Three Ways a Blockchain Dies: Lessons from Moonbeam's ShutdownOn July 31, 2026, Moonbeam — once one of Polkadot's flagship EVM parachains — officially ceased operations. GLMR migrated 1:1 to an ERC-20 on Base, the team pivoted to a new project, and the chain wou00
Aadmininswiftnodes.hashnode.dev·Aug 24 · 5 min readEthereum Light Clients: Verified Data Without Running a NodeThis week we established two things: an RPC answer is just something a server told you, and eth_getProof lets you verify a single answer — if you have a block header you trust. That "if" is the last p10
Aadmininswiftnodes.hashnode.dev·Aug 23 · 5 min readeth_getProof: Verify Blockchain State Without Trusting Your RPC NodeYesterday we wrote about what free RPC endpoints really give you, and the uncomfortable core of it is: every response from any RPC node — free or paid, yours or ours — is just something a server told 10
Aadmininswiftnodes.hashnode.dev·Aug 22 · 5 min readFree RPC Endpoints in 2026: What 'Free' Actually Gets YouEvery developer starts on free RPC, and most production incidents we hear about start there too. Not because free endpoints are bad — some are excellent — but because "free" covers at least four diffe00
Aadmininswiftnodes.hashnode.dev·Aug 21 · 4 min readStory Protocol Is Now DATA Network: What Changes for Your RPC SetupIf you searched for Story Protocol docs recently and hit a 404, you're not alone. In late June 2026, the Story Foundation announced it was becoming the DATA Foundation, renaming its Layer 1 to the DAT00
