System and method for financial transaction

Abstract

Provided are a method and system for P2P financial transaction between members that can connect to a card company server having DBs for the members via a wired/wireless communication network, and a financial card with credit card functions. The method includes closing a first contract involving monetary claim/obligation between members A and B and establishing a first claim amount and a first obligation amount of the members A and B, reporting the first claim amount or the first obligation amount of the member A to the card company server, and recording first incoming (+) or first outgoing (−) in a DB for the member A, establishing a second claim amount and a second obligation amount of members A and C according to a second contract between the members A and C involving monetary claim/obligation, reporting the second claim amount or the second obligation amount of the member A to the card company server, recording second incoming (+) or second outgoing (−) in a DB for the member A, and adding or subtracting respectively to or from the first incoming (+) or the first outgoing (−), and settling final incoming or outgoing, added or subtracted in the DB for the member A at regular intervals.

1 . A financial transaction method, using a financial transaction system having a P2P server, and interconnected P2P databases (DBs) of members and a P2P settlement DB, and a terminal for each member connecting to the P2P server via a wired/wireless communication network, for multiple financial transactions between the members including settling claim amount and obligation amount resulting from a closed contract and performing the contract, the method comprising:
 (a) reporting a first claim amount and a first obligation amount for a first contract between the members from the terminal to the P2P server;   (b) recording, by the P2P server, the first claim amount and the first obligation amount as first incomings and first outgoings in the P2P DBs;   (c) reporting a second claim amount and a second obligation amount for a second contract between the members from the terminal to the P2P server;   (d) recording, by the P2P server, the second claim amount and the second obligation amount as second incomings and second outgoings in the P2P DBs, wherein when the first incomings or the first outgoings is previously recorded in the member P2P DB, the second incomings or the second outgoings is added or subtracted to or from the first incomings or the first outgoing; and   (e) recording, by the P2P server, final incomings or outgoings in the P2P settlement DB, the final incomings or outgoings being calculated by the addition or subtraction in the P2P DBs at regular intervals.   
     
     
         2 . The method of  claim 1 , further comprising: between the steps (a) and (b), sending an indication as to whether or not the first contract is performed from the terminal to the P2P server. 
     
     
         3 . The method of  claim 1 , further comprising: after steps (c) and before (d), sending an indication as to whether or not the second contract is performed from the terminal to the P2P server. 
     
     
         4 . The method of  claim 1 , where in the step (b) comprises:
 recording, by the P2P server, the first obligation amount of a purchasing member as the first outgoings in the P2P DB for the purchasing member;   sending an indication as to whether a selling member performs the contracted duty from the terminal to the P2P server; and   recording, by the P2P server, the first claim amount of the selling member as the first incomings in the P2P DB for the selling member.   
     
     
         5 . The method of  claim 1 , wherein the step (d) comprises:
 recording, by the P2P server, the second obligation amount of a purchasing member as the second outgoings in the P2P DB for the purchasing member;   sending an indication as to whether a selling member performs the contracted duty from the terminal to the P2P server; and   recording, by the P2P server, the first claim amount of the selling member as the second incomings in the P2P DB for the selling member.   
     
     
         6 . The method of  claim 1 , further comprising: after the step (e), notifying, by the P2P server, each member of final incomings or outgoings recorded in the P2P settlement DB via the wired/wireless communication network. 
     
     
         7 . The method of  claim 1 , wherein the financial transaction system further comprises a P2P transaction DB interconnected to the P2P server,
 the step (a) comprises reporting first transaction details, which includes contract parties, contract type, and performance of the first contract, from the terminal to the P2P server, and   the step (b) comprises recording, by the P2P server, the first transaction details in the P2P transaction DB.   
     
     
         8 . The method of  claim 1 , wherein the financial transaction system further comprises a P2P transaction DB interconnected to the P2P server,
 the step (c) comprises sending second transaction details, which includes contract parties, contract type, and performance of the second contract, from the terminal to the P2P server, and   the step (d) comprises recording, by the P2P server, the second transaction details in the P2P transaction DB.   
     
     
         9 . The method of  claim 1 , further comprising: after the step (b),
 reporting an adjustment of the first claim amount and the first obligation amount from the terminal to the P2P server; and   adjusting, by the P2P server, the incomings or outgoings stored in the P2P DB for each member depending on the adjustment.   
     
     
         10 . The method of  claim 1 , further comprising: after the step (d),
 reporting an adjustment of the second claim amount and the second obligation amount from the terminal to the P2P server; and   adjusting, by the P2P server, the incomings or outgoings stored in the P2P DB for each member depending on the adjustment.   
     
     
         11 . A financial transaction system for a plurality of financial transactions between members including settling on a claim amount and an obligation amount resulting from a closed contract and performing the contract, the system comprising:
 a member management DB for storing member information for member authentication;   a P2P transaction DB for storing transaction details according to the contract between the members;   P2P DBs for each member in which a claim amount and an obligation amount according to the contract between the members are added or subtracted and recorded as incomings and outgoings;   a P2P settlement DB in which final incomings and outgoings are recorded, which are calculated by addition or subtraction in the P2P DBs at regular intervals;   a terminal used by the members; and   a P2P server connected to the terminal via a wired/wireless communication network, and interconnected to the member management DB, the P2P transaction DB, the P2P DBs for the respective members, and the P2P settlement DB, wherein the P2P server adds or subtracts and records the claim amount and obligation amount received from the terminal as incomings and outgoings in the P2P DBs, records details of the contract from the terminal in the transaction DB, and records final incomings or outgoings in the P2P settlement DB, the final incomings or outgoings being calculated by the addition or subtraction in the P2P DBs at regular intervals.   
     
     
         12 . The system of  claim 11 , wherein the wired/wireless communication network comprises at least one of the Internet and a wired/wireless telephone network. 
     
     
         13 . The system of  claim 11 , further comprising a web server interconnected to the P2P server for providing a webpage, the webpage presenting the transaction details, the incomings and outgoings, and the final incomings and outgoings.