Transaction settlement method and device of digital currency and gate machine

The invention provides a digital currency transaction settlement method and apparatus, and a gate. The method comprises the steps of receiving voucher data generated by a user side digital currency device; the voucher data comprises digital currency paid by the user side digital currency equipment; storing the voucher data in a preset security storage medium; the secure storage medium is arranged independent of a transaction processing unit of the gate. Therefore, for the user-side digital currency equipment, the deduction of the digital currency is realized during the transaction, and the collection of the digital currency is realized for the gate machine, so that the real-time transaction based on the digital currency is realized, and the payment through a commercial bank is not needed. Meanwhile, the voucher data with a large amount of data is stored in the secure storage medium instead of being stored in the transaction processing unit in the gate, so that the burden of the transaction processing unit in