Abstract: Provided is an app push system for collecting offline payment details. The app push system includes a payment company server configured to receive offline payment information of a user from a payment terminal and perform payment processing, an app server configured to receive payment card identification information and seller information from the payment company server, and a user terminal configured to receive an app push message from the app server.

Abstract: Provided is a substitute support fund distribution system using a substitute payment processing server. The substitute support fund distribution system includes a payment request terminal configured to transmit information related to a seller and payment information related to a payer, a payment and payment gateway server configured to receive a payment request from the payment request terminal and proceed with payment or remittance processing, and the substitute payment processing server configured to communicate with the payment and payment gateway server, and transmit information about a support fund related to the payer to the payment and payment gateway server.

Abstract: A reservation substitute remittance method using a reservation substitute remittance processing server is provided. The method includes receiving a request from at least one of a remitter and a substitute remitter to generate a reservation substitute remittance unit; generating the reservation substitute remittance unit based on identification information of the remitter and the substitute remitter; receiving a remittance or payment request from the remitter; processing a substitute remittance or a substitute payment based on a remittable amount of the reservation substitute remittance unit; and reflecting results of processing the substitute remittance or the substitute payment to the reservation substitute remittance unit.

Abstract: A method of remitting/receiving payments using a messenger server, which enables a messenger server to be accessed even without the involvement of a card value added network (VAN)/payment gateway (PG) company, enables a payment remitter to specify in advance the times that payments of funds are to be executed, and enables payments to be made according to payment receiving information on a payment recipient, from payment remittance information desired by the payment remitter.

Abstract: A blockchain-based remittance and collection system using keyword search includes: a remitter and collector node that executes a remitter and collector account including an address generator configured to generate an address and a metadata generator configured to generate metadata mapped to the address, and a verification node including an address mapping processor configured to map metadata to an address of the remitter and collector account, wherein the remitter and collector account is one of an electronic wallet and a smart contract.