Aadmininswiftnodes.hashnode.dev·8h ago · 10 min readNeutron RPC: A Developer's Guide (neutron-1, CometBFT 0.38, No eth_*)Neutron is not an EVM chain, and the RPC reflects that: there is no eth_* surface at all, no numeric chain ID, and the request shape is CometBFT JSON-RPC rather than the Ethereum method set. None of t00
Aadmininswiftnodes.hashnode.dev·1d ago · 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
Aadmininswiftnodes.hashnode.dev·2d ago · 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
Aadmininswiftnodes.hashnode.dev·3d ago · 9 min readGnosis Chain RPC: A Developer's Guide to the Community-Owned EVM ChainIf you're building on Gnosis Chain, everything you know about Ethereum applies. It's EVM-compatible, uses the same tooling, and supports the same RPC methods. The differences are in the economics (sta00
Aadmininswiftnodes.hashnode.dev·4d ago · 9 min readPolygon zkEVM RPC: A Developer's Guide to the Type 1 ZK RollupIf you're coming from Ethereum, everything you know transfers directly. Same chain interactions, same tooling, same RPC methods. The differences are in the economics (cheaper gas, different fee token)00
