What does it cost to mine a Bitcoin? Try the free benchmark

For Accountants

Your mining clients' books, ready for review.

Review the client accounts you are invited to. Trace transactions, cost basis and QuickBooks entries. Accountant access is free; your clients pay for Books.

Benchmark your mining clients with the free cost-to-mine tool

Trace any number

TraceSample account · August 2026RevenueIllustrative

August revenue at receipt Choose a figure to trace it

Company revenue at receipt$37,313

What Flash brings together

One ledger. Every client. Every source.

One continuously updated ledger your clients invite you into.

Wallets, exchanges and imports, for every client.

Kraken and on-chain wallet connections, plus imported exchange activity in each client's ledger.

Bitcoin and fiat payments

Bitcoin, ACH, and card payments with price, value, and labels.

Cost basis and realized gains

Follow FIFO lots through disposals, review realized gains, and inspect QuickBooks export history.

Fleet and depreciation

Each client's machines on a register, with depreciation schedules and journal entries you can review before they post to QuickBooks.

August journal entrySample account · August 2026Ready for reviewIllustrative
Depreciation expenseDebit$3,516
Accumulated depreciationCredit$3,516

Site economics

Revenue, costs and break-even per site, with every figure labelled by where it came from.

North siteSample account · August 2026ReviewIllustrative
  • Revenue at receiptFrom exchange. 8 payouts pulled from the client's connected Kraken account.
  • Site cash costsDeclared. From the costs your client files.
  • Full break-even$54,612 / BTC

Accounting export modes

From reported totals to the underlying transactions.

Flash retains the full ledger, with categorization, cost basis and export history available for review. Your clients continue to keep their general ledger in QuickBooks.

Review the evidence behind your client's close

Review imported and connected activity in the same place. Start with one mining client and a month of their data.

How it works

A shared review process.

  1. 01

    You sign up

    Free accountant profile. No credit card.

  2. 02

    Clients invite you

    Clients invite you with read-only access.

  3. 03

    You review the books

    Review labels, cost basis, P&L, and exports.

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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