Multi-Chain Wallet Data: Identity, Coverage and Normalization
Build a combined wallet view while retaining the network, asset and record distinctions that make each observation meaningful.
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Identity & evidence
Keep network context, record identities and technical evidence in view.
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Explore identity & evidence
Smart Contract Event Logs: Topics, Decoding and Record Identity
Read event logs as technical observations, decode them with the right context and preserve the evidence behind application labels.
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Blockchain Data Provenance: Coverage, References and Review Evidence
Build records and exports that explain where an observation belongs, how it was interpreted and which parts of the requested scope remain unresolved.
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AI Agents and Blockchain Data: Tools, Evidence and Permission Boundaries
Give agents useful data tools while preserving request scope, evidence, customer authorization and the distinction between analysis and action.
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On-Chain Analytics Metrics: Activity, Cohorts and Financial Context
Build dashboards whose activity counts, financial aggregates and labels preserve the calculation choices behind each result.
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Token Approvals and Security Data: Allowances, Signatures and Address Context
Build an inspectable approval and security-data view without treating a familiar address, decoded signature or heuristic label as universal authority.
Read the guideBlockchain Data Privacy: Public Records, Access Boundaries and Proofs
Describe what a privacy mechanism protects, which assumptions it needs and what evidence a consumer can actually inspect.
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ENS and Blockchain Name Data: Resolution, Records and Identity
Use readable names as inspected resolution records while preserving the exact account identity, namespace rules and time context underneath.
Read the guideUnique IDs for Blockchain Events and Transfers
Design event identifiers that distinguish several movements in one transaction, preserve network context and support reorganisation-aware processing.
Read the guideHandling Blockchain Reorganisations in Data Apps
Detect changed block ancestry, invalidate displaced evidence and rebuild affected derived records without silently retaining non-canonical wallet activity.
Read the guideDeduplication vs Reconciliation in Blockchain Data
Separate repeated-record removal from comparing independent balances or histories, so a clean event list is not mistaken for complete evidence.
Read the guideNull, Zero and Missing Fields in Blockchain APIs
Represent unknown, unavailable and observed-zero values distinctly, preserving response compatibility and preventing false balances or valuations.
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.