Sui Object Data vs Account-Balance Assumptions
Understand object identity, ownership and versions in Sui data models, rather than mapping every record to an EVM-style account balance.
Read the guideIndexbase journal / ideas for builders
Blockchain data.
Worth understanding.
Practical guides to blockchain APIs, wallet data and the evidence behind a useful answer. Clear concepts, worked examples and better questions for your next integration.
Follow the article feed200 articles / page 9 of 13
Explore all guides
In-depth introductions and focused field guides, organised around practical questions.
Aptos Move Resources in Blockchain Data Models
Model Aptos account resources and typed state with version context, instead of assuming every asset record follows an ERC-20 contract-address pattern.
Read the guide
Unique 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 guideMeasuring Blockchain Data Freshness and Lag
Measure event time, accepted head, indexed coverage and response age separately, rather than treating a fast HTTP response as fresh chain data.
Read the guideCoverage vs Completeness in Blockchain History
Describe chain, asset, evidence and range coverage explicitly, and avoid turning a supported-network label into a claim of complete wallet history.
Read the guideDecoding Events Across Smart-Contract Upgrades
Version contract interfaces by historical execution context, so proxy upgrades do not cause old events to be decoded using today’s implementation assumptions.
Read the guideIndexed Event Topics vs ABI Data Fields
Decode indexed and non-indexed Solidity event arguments correctly, including dynamic-type hashes and why some original values cannot be recovered from topics.
Read the guideRaw vs Normalised Blockchain Records
Separate source evidence from application-friendly records, preserve transformation versions and avoid treating a convenient action label as an immutable chain fact.
Read the guideBlock Timestamps vs Event Ordering
Order blockchain records using execution positions and stable tie-breakers, rather than assuming timestamps uniquely identify or sequence every event.
Read the guideConsistent Blockchain Snapshots Across API Reads
Pin related balances, prices and position reads to compatible state references, and detect when an aggregate combines observations from different chain states.
Read the guideVersioning Corrections to Blockchain Data
Correct decoded or classified blockchain records with explicit versions, preserving raw evidence and allowing consumers to distinguish a revision from a new event.
Read the guide
What to Store in a Blockchain Evidence Record
Create reviewable evidence records with query context, block identity, raw quantities and transformation references, without storing secrets or unnecessary personal data.
Read the guideMeaningful Test Fixtures for Blockchain Data Apps
Build synthetic blockchain fixtures that cover missing evidence, multi-event transactions, exact arithmetic and reorganisation behaviour without relying on live accounts.
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.