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Some credit card networks, processors, and/or banks also prohibit counterfeit or unauthorized goods, gambling, marijuana, tobacco, weapons, fireworks, radioactive materials, mug shot publication, bankruptcy lawyers, psychic services, etc. (copied from Stripe) I thought they also banned the sale of human hair (no joke) but maybe that's been changed.

Also keep in mind that these banks allow you to buy cryptocurrency with debit cards, just not with credit.