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Threema or email — whichever you prefer. For order questions, please allow 5 business days from the day you ordered before getting in touch.

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Include your order number (it starts with HL) for anything about an existing order: payment, tracking or a missing item. For payment questions, add the transaction ID from your wallet so we can find it on-chain.

Many questions are already answered in the FAQ, and the crypto guide covers paying for the first time. We reply to every message by email.

Read the FAQ