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Calculates US capital gains tax liability on cryptocurrency transactions using 2026 tax brackets, covering LTCG, STCG, and NIIT

Calculates US capital gains tax liability for cryptocurrency transactions using 2026 tax brackets, covering LTCG, STCG, and NIIT.

Calculates US capital gains tax (LTCG, STCG, and NIIT) on cryptocurrency trades using 2026 tax brackets, paid per calculation on Base via x402.