Crypto Tax Portfolio Platform
$50M+ tracked, 2,000 users, 15 exchange integrations
What we were up against
Crypto investors had no reliable way to calculate tax liabilities across multiple exchanges. Existing tools were inaccurate for their jurisdiction and couldn't handle DeFi transactions, NFT trades or cross-chain transfers. Users were manually importing CSVs from 10+ exchanges.
What we built
We built a multi-exchange portfolio tracking and tax calculation platform with real-time price feeds from CoinGecko and CoinMarketCap, jurisdiction-specific tax engines (US, UK, Germany, India), and automated transaction categorization that handles DeFi swaps, liquidity pools and NFT trades.
How we did it
Phase 1: Built the core transaction import engine with exchange API integrations (Binance, Coinbase, Kraken, etc.)
Phase 2: Implemented the tax calculation engine with FIFO/LIFO/Specific Lot methods
Phase 3: Added DeFi transaction parsing, NFT valuation and cross-chain tracking
Phase 4: Built the React dashboard with real-time portfolio analytics and tax reports
The results
Platform tracks $50M+ in crypto assets across 2,000+ users. Handles 15 exchange integrations, 5 jurisdiction tax engines and processes 100K+ transactions daily. Users generate compliant tax reports in under 5 minutes.
Technology used
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