Technical explainers, troubleshooting playbooks, and infrastructure guidance shaped by the questions developers search for.
Learn how EIP-2929 cold/warm access accounting works, how to build an EIP-2930 access list with eth_createAccessList, and how to verify the net gas delta.
Read articleRead many Solana accounts in one JSON-RPC request with getMultipleAccounts, align ordered results safely, and cut duplicate round-trips.
Read articleDecode the four fields returned by Solana getTokenAccountBalance and learn why uiAmountString is the safe field for exact token balances.
Read articleResolve a Sui transaction digest with sui_getTransactionBlock, read its checkpoint and inclusionProof, and reconcile it against the certified checkpoint.
Read articleA practical guide to reading Sui's protocol-level system state over JSON-RPC for epoch tracking, validator monitoring, and checkpoint reconciliation.
Read articleA practical guide to reading HyperEVM state with standard EVM JSON-RPC methods, including chain identity checks, contract calls, and the HyperCore bridge.
Read articleHow a Base OP-Stack node learns new blocks from the sequencer feed, how that unsafe head differs from L1-derived safe and finalized heads, and how to subscribe and reconnect reliably.
Read articleLearn how to use Solana's getFeeForMessage RPC method to compute the network base fee for a compiled message and combine it with priority fees for accurate transaction cost estimation.
Read articleA practical guide to Sui's coin model: querying balances, metadata, and coin objects over JSON-RPC, with runnable examples and a results table.
Read articleA practical guide to reading ERC-20 balances, decimals, symbol, and totalSupply with eth_call, including ABI encoding, decoding, and troubleshooting.
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