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Crypto bug bounty rewards in Spain: how are they declared in IRPF?

Bug bounty programs pay in crypto. Guide on how to declare these rewards in Spain.

Equipo kointax·September 23, 2026·3 min read

Crypto bug bounty rewards in Spain

Tax treatment options:

  1. Business income (actividades económicas): If habitual and profit-oriented. Must register as autónomo, can deduct expenses, VAT may apply.

  2. Capital gains: If occasional/non-habitual activity.

Practical position: Most advisors treat significant bug bounty rewards as business income, especially if: recurrent activity, significant amounts (thousands €), organized methodology.

kointax allows classifying bug bounty rewards as business income for correct IRPF treatment.

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