Designing a Reliable Wallet Transaction CSV Export
Export wallet activity with stable IDs, exact quantities, time-zone clarity and safe spreadsheet handling, while preserving links to original records.

Overview
When translating these concepts into an integration, keep the scope described by the wallet history api with the result. The examples in wallet transaction history and smart contract event logs show how the same distinction affects neighbouring data questions.
CSV is convenient for review, but it is not a type system. Spreadsheet software can round large integers, reinterpret identifiers and execute formula-like cells. A reliable export defines how each field should be read.
Declare the columns and units
Include network, transaction and event identity, asset identity, raw amount, decimal scale and a clearly named display amount. Use an unambiguous timestamp format with time-zone information. Separate transaction fees from movement rows or explain their allocation. A symbol alone is not a sufficient asset key, and a transaction hash alone may not identify one transfer.
Worked example: an exact large amount
A token raw amount exceeds a spreadsheet’s exact numeric precision. Export it as a documented text field and include a human-readable decimal string without replacing the raw value. A reviewer can then compare exact quantities outside the spreadsheet while using the formatted value for a readable report.
Secure and version the export
Use a real CSV encoder for delimiters, quotes and line breaks. Handle cells beginning with formula-triggering characters according to the intended spreadsheet workflow. Include an export schema version and coverage notes. Test round-tripping identifiers, non-ASCII metadata and empty values. Missing valuation should remain empty or explicitly unknown rather than becoming numeric zero.
A practical acceptance test
Round-trip a large raw integer, a comma-containing token name, a quoted label and a formula-like text field through the chosen CSV workflow. Verify exact identifiers and safe spreadsheet behaviour separately. An export test should inspect parsed cell values as well as generated text, because syntactically valid quoting alone does not establish the intended spreadsheet interpretation.
Questions about the topic
Frequently asked questions
Is quoting enough to stop spreadsheet formula execution?
No. Formula handling needs an explicit policy for the target spreadsheet workflow.
Should unknown prices be exported as zero?
No. That changes missing information into an asserted valuation.
Standards & technical documentation

