Clean books for Bitcoin miners.

Flash is the Bitcoin subledger built for mining operations. Connect your wallets and exchanges, map on-chain revenue to each site automatically, and export clean, QuickBooks-ready books in minutes instead of days.

Explore Flash

For Bitcoin Miners, per-site revenue and a clean monthly close
Books & Reconciliation, clean books that reconcile to QuickBooks
For Accountants, read-only access to client books
Payments, invoicing for Lightning, on-chain, ACH, card
Treasury Automation
Pricing
About Flash

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