Crypto capital-gains tax SaaS

Challenge

Investors need accurate capital-gains calculations across many exchanges and wallets.

What we built

A calculation engine for FIFO and short/long-term gains, with integrations to major exchanges and wallets via API keys or spreadsheet imports, and Stripe billing.

Outcome

Users import their data and get explainable capital-gains reports, with subscriptions handled through Stripe.

Stack

• Stripe
• Exchange APIs
• CSV import
• FIFO engine