Credible transaction method and system based on digital currency

The invention provides a credible transaction method and system based on digital currency. The method comprises that: payee equipment sends a payment request to payer equipment; the payer equipment obtains the electronic certificate of the payee equipment and the amount of money to be collected from the payment request, and uses the public key of the payee equipment to verify the signature of thesignature information; the payer equipment generates a payment amount and a corresponding transaction identifier, and signs the payment amount and the public key of the payee equipment by adopting a private key of the payer equipment to form payment information; the payer equipment presents the payment amount, the signature result and the confirmation key, and after the identity of the user is successfully verified, payment information can be broadcasted to the digital currency network by clicking the confirmation key and sent to the payee equipment; and the payee equipment finds payment information from the digital c