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Books & Reconciliation

Bitcoin activity your accountant can trace.

Connect Kraken and on-chain wallets, or import exchange CSVs. Label transactions, review FIFO cost basis, and send approved entries to QuickBooks.

Books / QuickBooks previewSample account · August 2026Ready for reviewIllustrative

Mining receipts, grouped by site

Receipt categories and FIFO cost basis, August 2026
SiteCategoryBTC receivedReceipt cost basis
North siteMining revenue0.224From exchange. 8 receipts, each a FIFO lot at its value when received.
South siteMining revenue0.138Imported. 6 receipts, each a FIFO lot at its value when received.
Hosted fleetMining revenue0.097Imported. 5 receipts, each a FIFO lot at its value when received.

FIFO tracks each receipt's date and cost basis. Receipt lots are grouped by site here. No disposals are shown in this illustration.

QuickBooks journal preview

Balanced
Bitcoin assetsDebit$37,313
Mining revenueCredit$37,313
Depreciation expense Declared registerDebit$3,516
Accumulated depreciationCredit$3,516

Review categories, account mapping and journal entries before posting.

Connect your sources.

Kraken direct, on-chain addresses and xpubs, plus CSV imports. Your funds stay in your own accounts.

Label once. Rules do the rest.

Reusable categorization and address-mapping rules. Review site attribution and cost basis, with exceptions visible.

One clean export to QuickBooks.

Review mapped entries before posting to QuickBooks. Keep transactions, FIFO lots and export history in Flash so a reported number can be traced to its source.

See what your own numbers show.

Start with a setup call. We will agree a month of data and walk through how Flash brings it into the books.

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