Ethereum Log Bloom Filters: Useful but Not Exact
Learn what Ethereum log bloom filters can and cannot establish, why false positives matter, and how to verify actual matching event logs.
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API fundamentals
Understand the interfaces, questions and contracts behind a blockchain integration.
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Contract Creation Transactions and Deployed Addresses
Distinguish contract creation input, receipt contract addresses and factory deployments, so a deployment inventory does not miss internal creations.
Read the guideEthereum State Data vs Transaction History
Compare Ethereum state reads with transaction history, and learn why a present balance cannot reveal every transfer that produced it.
Read the guideChain ID vs Network ID in Ethereum Applications
Understand chain ID and network ID, prevent cross-network record collisions, and choose the correct identifier for API requests and storage keys.
Read the guideFinding an Ethereum Block Near a Timestamp
Find a block near a timestamp with an explicit boundary rule, then verify the result before using it for a historical snapshot or report.
Read the guidePending Ethereum Transactions: Observation vs Inclusion
Model pending Ethereum transactions without treating a mempool observation as confirmation, and handle replacement, disappearance and delayed receipts.
Read the guideBatch Ethereum JSON-RPC Requests Safely
Batch Ethereum JSON-RPC reads while matching responses by ID, handling individual errors and avoiding the assumption of one shared block snapshot.
Read the guideThe editorial approach
Useful questions.
Traceable explanations.
Each guide starts with a concrete developer question and separates technical observations from the interpretation an application adds. Worked examples use illustrative values; references point to standards and technical documentation.
Published by Indexbase. Explore related guides as your requirements develop, from a first data question to a more deliberate integration workflow.