Tutorials
Worked, step-by-step reads of one chain's data with real limits and arithmetic.
Tutorials walk through one job on real chain data from the first request to working output: which methods to call, in what order, with what limits, and what the bill looks like. Each one shows the code path, the failure modes you will hit in production, and the point at which the approach stops being the right one. For the method reference behind each step, follow the links into the docs. Docs · Learn
Reading BNB Smart Chain pending transactions: txpool, subscriptions and their limits
How to see what is waiting to be mined on BSC with the three txpool methods, what the pending and queued maps mean, and a polling loop whose request budget you can work out on paper.
TRON USDT transfer history via JSON-RPC: logs, block windows and address formats
How to rebuild an address's USDT-TRC20 history from raw event logs without a third-party indexer: which filter to send, why every request covers at most 100 blocks, how to convert TRON addresses into topics, and what a year of history costs in requests.
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