W Niemczech BTC uznawane jest za walute i nie ma podatków jak za BTC coś kupujesz wiec pojedz tam kupic sobie złoto za BTC.
https://www.coindesk.com/germany-considers-crypto-legal-equivalent-to-fiat-for-tax-purposes/

potem to https://lamium.fi/payments/
https://www.gold.de

Allowed Invoices

We accept SEPA payable invoices (EUR) up to 3000€ per individual invoice or a group of related invoices. The invoice recipient may be a corporation, a registered organization, a governmental entity or a natural person that is permanent resident of a SEPA country.