Orange Way Books is the open-source, zero-knowledge accounting platform built for Bitcoin businesses. Your books are encrypted on your device with a vault password before being uploaded; the server stores only ciphertext. Apache-2.0 licensed. Multi-currency BTC and fiat with historical exchange rates. Real server-side double-entry ledger. IFRS and US GAAP. Capability-based RBAC. ML-DSA-65 post-quantum signing keys. Full data takeout. Self-hostable.
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