Korea enforces 22% crypto tax in 2027. Most investors aren't ready. Coincat syncs your trades from Korea's top exchanges (Upbit, Bithumb, and more), calculates tax liability, and finds savings you'd miss. ✓ One-click exchange sync (read-only API) ✓ Real-time portfolio tracking ✓ Capital gains calculation (FIFO) ✓ Tax-loss harvesting alerts ✓ Export reports for filing Free to start. Built by ex-Naver, Toss, Banksalad engineers.