01 · Coinbase records
Coinbase missing cost basis: what to collect before a review
A practical, non-tax-advice checklist for reconstructing missing Coinbase cost basis from source records and documenting what remains unresolved.
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Better crypto records start with better evidence.
Practical, source-first guidance for people and accountants dealing with incomplete exchange, wallet, and opening-lot records.
02 · Transfer evidence
Unmatched crypto transfers: a practical evidence checklist
How to investigate crypto deposits, withdrawals, and wallet transfers that do not line up across exports, without assuming a tax treatment.
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Binance CSV reconciliation: why a complete export may still need review
A source-first checklist for checking Binance spot CSV exports, fees, transfers, and opening lots before an accountant handoff.
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What an accountant-ready crypto Evidence Pack should contain
A practical handoff model for accountants who receive incomplete crypto records: source map, reconciled ledger, decision log, and open items.
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