Technical explainers, troubleshooting playbooks, and infrastructure guidance shaped by the questions developers search for.
Learn how request hedging collapses p99 latency for read-only JSON-RPC calls by racing duplicate requests across independent endpoints and cancelling the loser.
Read articleReconnecting a WebSocket is easy; proving you missed nothing is the hard part. Learn cursor-based gap detection and bounded backfill for Ethereum, Solana, Sui, and Substrate.
Read articleHow Solana's processed, confirmed and finalized commitment levels change what every RPC read returns, and how to choose one deliberately.
Read articleLearn how to read Bittensor staking and delegation state correctly from a Subtensor node, including alpha stakes, pool reserves, and hotkey relationships.
Read articleA restartable, reorg-aware EVM indexer that assembles one consistent row set per block from eth_getBlockByNumber and eth_getBlockReceipts, with atomic cursors and continuity checks.
Read articleLearn how Hyperliquid hourly funding accrues, how predictedFundings differs from fundingHistory, and how to compute and verify a position's realised funding payment from the /info API.
Read articleLearn what the getBlock rewards array actually contains and how to reconcile block-level lamport flow without conflating transaction fees with leader rewards.
Read articleLearn how Sui checkpoints form a verifiable append-only log, how to page over sequence numbers with sui_getCheckpoints, and how to stream the ledger gRPC service without gaps.
Read articleLearn how to page eth_getLogs over BNB Smart Chain without hitting range caps, timeouts, or silent gaps, so your indexer builds a complete ERC-20 transfer history.
Read articleFetch every transaction receipt in a block with a single eth_getBlockReceipts call, join receipts to transactions by index, and avoid hundreds of per-transaction round trips.
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