JP2002259872A - Method and system for providing e-commerce intermediation service - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for providing e-commerce intermediation services capable of keeping individual information related to commerce in secrecy against third parties other than the participants of the commerce. SOLUTION: The method comprises a process S3 for receiving identification information specifying the commerce between a distributor and a buyer, information about the bill which the buyer should pay to the distributor, and distributor information specifying the distributor, and for receiving the bill related to the identification information, a process S4 for notifying a partner, determined by the distributor information, of the identification information and for requesting the partner to ship the merchandise on condition that the bill received is the same as the bill paid, and processes S6 and S7 for paying the bill to the partner determined by the distributor information, on condition that a notice of receipt of the merchandise related to the identification information is received.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to electronic commerce via a communication line such as the Internet, and more particularly to an electronic commerce mediation service suitable for mediating commercial transactions between a seller who sells goods and a purchaser. A method and an electronic commerce intermediary service system.

[0002]

2. Description of the Related Art In recent years, electronic commerce has been carried out using a computer network such as the Internet to purchase goods and pay for the purchase. In this electronic commerce, a problem related to the commercial transaction may occur. For example, a seller of a product may not be paid for the purchase even though the product has been shipped. In addition, there is a possibility that the purchaser may not be able to receive the product even though the purchase price has been paid, although the product may not be delivered despite the order for the product.

[0003] In order to solve such problems related to electronic commerce, electronic commerce intermediation services have been provided. This electronic commerce mediation service mediates commercial transactions between a seller and a purchaser.

FIG. 6 is a sequence diagram showing a flow of an electronic commerce mediation process in a conventional electronic commerce mediation service method. FIG. 7 is a diagram showing a configuration example of the product purchase application form 31 shown in step S21 of FIG. In the conventional e-commerce mediation service system of FIG. 6, first, the purchaser sends a merchandise purchase application form 31 shown in FIG. 7 to the broker (step S21 in FIG. 6). The purchaser describes in the product purchase application form 31 the name, address, telephone number, purchaser (seller name), purchased product name, number of purchases, and total purchase price of the applicant. In addition, the purchaser pays the brokerage the amount obtained by adding the brokerage commission to the total purchase amount of the product purchase application form 31 (step S22 in FIG. 6).

Next, the intermediary company requests the seller to ship the product based on the contents of the product purchase application form 31 (FIG. 6).
Step S23). In response to this request, the seller sends the product to the broker, which receives the product and sends the product to the purchaser (steps S24 and S2 in FIG. 6).
5). Next, the intermediary company pays the total purchase amount of the product purchase application form 31 to the seller (step S in FIG. 6).
26).

[0006] In this way, the intermediary brokers the commercial transaction between the seller and the purchaser, so that the distributor avoids the problem that the purchase price is not paid even though the merchandise has been dispatched. Can be. In addition, the effect of preventing the problem that the purchaser does not receive the product even though the product has been ordered and the product has not been delivered even though the purchase price has been paid is obtained. .

[0007]

However, in the above-described conventional e-commerce mediation service method, the purchaser obtains information such as purchaser information (name, address, telephone number, etc.) and product purchase information (product name, number of purchases, etc.). It is necessary to notify personal information relating to commercial transactions to an intermediary, which is a third party in commercial transactions. For this reason, there is a risk that such personal information may be leaked to a malicious party, and the purchaser may feel uneasy.
This hinders the spread of electronic commerce and is a problem.

[0008] Similarly, for a distributor, the merchandise sales situation is grasped by the intermediary agent, and this merchandise sales situation is leaked to other distributors, which may cause a problem in the sales strategy.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and an object of the present invention is to provide a business transaction between a seller who sells goods by electronic commerce and a purchaser of the goods. To provide an electronic commerce mediation service method and an electronic commerce mediation service system that can keep private information relating to commercial transactions such as purchaser information and product purchase information confidential to third parties other than the parties (sellers and purchasers) Is to do.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 is an electronic system which mediates a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods. A method for providing a commercial mediation service, comprising: identification information for identifying a commercial transaction between the seller and the purchaser;
A step of receiving information on the amount of payment to be paid by the buyer to the seller and seller information identifying the seller, a step of receiving a purchase price related to the identification information, a step of receiving the received amount and the payment On condition that the amounts match, the process of notifying the destination based on the seller information of the identification information and requesting shipping of the product, and receiving the notification of the receipt of the product according to the identification information, And a step of paying the payment amount to a counterparty based on the seller information.

The invention according to claim 2 is an electronic commerce mediation service method for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods, wherein the method comprises the steps of: Identification information specifying a commercial transaction between the purchaser and the purchaser, information on the amount of payment to be paid by the purchaser to the seller, seller information specifying the seller, and payment of the purchase price related to the identification information. Information receiving step of receiving a certificate and a step of notifying the identification information to a counterparty based on the seller information and requesting shipping of the product, provided that the amount of the payment certificate and the payment amount match. And characterized by the following.

According to a third aspect of the present invention, in the second aspect of the invention, in the information receiving process, payment of the purchase price pertaining to the payment certificate to the seller is suspended by the financial institution, and the identification is performed. The method further comprises the step of permitting the financial institution to pay the purchase price pertaining to the payment proof to the seller, on condition that a notice of completion of receipt of the product related to the information is received.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the identification information is a slip number of an electronic commerce associated with a product purchase application by the purchaser. There is a feature.

According to a fifth aspect of the present invention, there is provided an electronic commerce mediation service system comprising a computer for performing an intermediary process for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods. The computer identifies, via a communication line, identification information specifying a commercial transaction between the seller and the purchaser, information on a payment amount to be paid to the seller by the buyer, and specifying the seller. A process of receiving the seller information, a process of receiving a purchase price related to the identification information, and a condition that the received amount and the payment amount match, provided that the identification information is sent to a destination based on the seller information. On the condition that the processing of requesting the shipment of the product and receiving the notification of the completion of the reception of the product related to the identification information are performed, And performing a process of paying the destination based.

According to a sixth aspect of the present invention, there is provided an electronic commerce mediation service system comprising a computer for performing an intermediary process for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods. The computer, from a financial institution via a communication line, identification information specifying a commercial transaction between the seller and the purchaser, information on the amount of payment to be paid by the buyer to the seller, A process of receiving vendor information specifying a vendor and a payment proof of the purchase price pertaining to the identification information, and a partner based on the seller information provided that the amount of the payment proof and the payment amount match. And a process of notifying the identification information and requesting the shipment of the product.

According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the computer is suspended by the financial institution on condition that the computer has received a notice of completion of receipt of the product relating to the identification information. The method further includes a step of permitting payment of the purchase price pertaining to the payment certificate to the seller via a communication line.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of the electronic commerce mediation service system according to the first embodiment of the present invention. In this figure, reference numeral 1 denotes an intermediary that implements the electronic commerce intermediation service according to the present embodiment. Reference numeral 2 denotes a purchaser who purchases a product by electronic commerce, and is a user of the electronic commerce mediation service provided by the mediator 1. Reference numeral 3 denotes a seller who sells goods by electronic commerce, and a broker 1
Become a user of the e-commerce mediation service provided by. Reference numeral 4 denotes a financial institution that performs settlement of a purchase price or the like in electronic commerce.

The mediator 1 has a computer 11 for providing an electronic commerce mediation service, and the computer 11 is a seller 1 that sells goods by electronic commerce.
And a mediation process for mediating a commercial transaction between the product and the purchaser 2 of the product. The purchaser 2 includes a terminal 12 for using the electronic commerce mediation service of the mediator 1 and the merchandise sales service of the seller 3 by electronic commerce. The seller 3 includes a computer 13 that performs a sales process of selling a product by electronic commerce. The financial institution 4 includes a computer 14 for performing a settlement process such as a purchase price for electronic commerce.

Reference numeral 5 denotes a communication network that provides a communication line through which data can be transmitted.
For example, a wired telephone network, a wireless telephone network, a dedicated network, or a computer network called the Internet can be used. The computers 11, 13, and 14 and the terminal 12 can be connected to the communication network 5, respectively. The computers 11, 1
The terminals 3, 14 and the terminal 12 can access each via the communication network 5.

The computer 11 of the broker 1 is a WWW that provides a homepage for an electronic commerce broker service.
(World Wide Web) Server function. Further, the computer 13 of the seller 3 has a WWW (World Wide Web) server function of providing a homepage for a product sales service. The computer 14 of the financial institution 4
Is a WW that provides a website for electronic payment services
It has a W (World Wide Web) server function.

The terminal 12 is a communication terminal connectable to the communication network 5, and has a WWW browser function (WWW
Search / circulation function). The terminal 12 uses this WW
By accessing the computers 11, 13, and 14 using the W browser function, the screen of each home page can be displayed on its own display screen, or data can be exchanged via the home page. Thereby, the purchaser 2 can use the electronic commerce intermediation service, the merchandise sales service, and the electronic settlement service via the communication line. The terminal 12 may be a personal computer, a mobile phone, a PHS (Personal Handy-phone Sys
tem) Terminals, personal digital assistants, etc. can be used.

The computers 11, 13, and 14 and the terminal 12 are provided with an input device, a display device, and the like. Here, the input device refers to an input device such as a keyboard and a mouse. A display device is a CRT (Cathode
Ray Tube) and liquid crystal display devices. An output device can be connected to the computers 11, 13, and 14 and the terminal 12 as peripheral devices. The output device refers to a printing device, a writing device for a recording medium (eg, a floppy (registered trademark) disk), or the like.

Next, with reference to FIG. 1, FIG. 2, FIG. 4, and FIG. 5, a description will be given of the electronic commerce intermediation processing in the electronic commerce intermediation service system of FIG. FIG.
FIG. 2 is a sequence diagram showing a flow of an electronic commerce mediation process in the electronic commerce mediation service system shown in FIG. 1. FIG. 4 is a diagram showing a configuration example of a product purchase application form 21 sent by the purchaser 2 to the seller 3. FIG. 5 is a diagram showing a configuration example of the payment intermediation request form 22 sent by the purchaser 2 to the intermediary agent 1.

In the following description, the computer 11,
13 and 14 and the terminal 12 each have a communication network 5
, But unless otherwise specified, transmission and reception of data and the like are performed via the communication network 5. Transmission and reception of this data and the like is performed by
It may be performed through each of the homepages 1, 13, and 14, or may be performed by e-mail. In the first embodiment, it is assumed that the broker 1 has its own account at the financial institution 4.

First, the purchaser 2 accesses the computer 13 of the seller 3 using the terminal 12 and selects and determines a desired product from a product sales homepage. Then
The purchaser 2 creates a product purchase application form 21 shown in FIG. 4 and sends it to the seller 3 (step S1 in FIG. 2). The product purchase application form 21 includes the name, address, and telephone number of the purchase applicant, the name of the product to be purchased, the number of purchases, the total purchase price,
The name of the intermediary company 1 who requests the intermediary for the payment of the purchase price is described. In the example of FIG. 4, the address of the purchase applicant is the same as the product delivery address.

The purchaser 2 may use the terminal 12 to create a product purchase application form 21 on the product sales service homepage of the computer 13 and send the product purchase application form 21 or send the product purchase application form 21 to an e-mail. Purchase application form 2
1 may be described and transmitted.

Upon receiving the product purchase application form 21, the computer 13 of the seller 3 sends an application acceptance notice to the purchaser 2
To the terminal 12. The computer 13 writes the electronic commerce slip number in the application acceptance notice. Also,
The computer 13 records the contents of the product purchase application 21 in association with the slip number (step S2 in FIG. 2).

Next, the purchaser transfers the product purchase price to the account of the intermediary company 1 of the financial institution 4, and sends the payment intermediation request form 22 shown in FIG. In this transfer, the purchaser does not need to include the slip number notified by the seller 3 as the transferer information, and does not include the name of the purchaser himself in the transferer information.

The merchandise purchase price is the sum of the amount paid to the dealer (in the example of FIG. 4, the total purchase amount of 50,000 yen) and the commission paid to the broker 1. The purchaser fills in the payment intermediation request form 22 with the slip number (A123456 in the example of FIG. 5) notified from the seller 3 in step S2.
7), the amount to be paid to the seller (50,000 yen), and the name of the seller 3 as the business partner (OO Corporation) are described (Fig. 2).
Step S3).

Note that the purchaser 2 may create a payment intermediation request form 22 on the electronic commerce intermediation service homepage of the computer 11 of the intermediary company 1 by using the terminal 12 and transmit the payment intermediation request form 22. Alternatively, the contents of the payment mediation request form 22 may be described in an e-mail and transmitted. Further, the purchaser 2 uses the terminal 12 to operate the financial institution 4
May be performed on the electronic payment service homepage of the computer 14 of the above. In this case, the purchaser 2 uses the credit card or the like to settle the price.

Next, upon receiving the payment intermediation request form 22, the computer 11 of the intermediary company 1 accesses the computer 14 of the financial institution 4 and checks whether or not there is a remittance, and confirms whether the product purchase price matches the remittance amount. On condition that this confirmation is normally completed, the computer 11 makes a product shipping request based on the contents of the payment mediation request form 22.
In this product shipping request, the computer 11 transmits the slip number of the payment mediation request form 22 to the computer 13 of the business partner (the seller 3). The computer 11
Records the contents of the payment mediation request form 22 (step S4 in FIG. 2).

Next, when the computer 13 of the seller 3 receives the product shipping request, it issues a product shipping instruction based on the notified slip number. In this product shipping instruction, information related to product shipping (name of applicant, address, telephone number, purchased product name, number of purchases) in the content of the product purchase application form 21 of FIG. 4 recorded in step S2 described above. Is displayed on a display device of the computer 13 or output to an output device. According to the product shipping instruction, the seller 3 ships the product to the buyer 2 (step S in FIG. 2).
5).

Next, when the purchaser 2 receives the product, the purchaser 2 checks whether the received product is correct for the applied product,
Check for any problems such as failure. After confirming the product, if there is no problem, the purchaser 2 transmits a notification of completion of the product reception from the terminal 12 to the computer 11 of the broker 1. The purchaser 2 writes the slip number described in the payment intermediation request form 22 in the commodity receipt completion notice (step S6 in FIG. 2).

When the computer 11 receives the product receipt completion notice, the computer 11 pays the price to the seller 3 based on the contents of the payment mediation request document 22 recorded in step S4. In this payment, the computer 11
Requests the computer 14 of the financial institution 4 to transfer the amount (50,000 yen) described in the payment intermediation request form 22 from the account of the intermediary agent 1 to the trading partner (XX trading company, that is, the seller 3). I do. As a result, the purchase price is transferred from the financial institution 4 to the account of the seller 3, and the payment of the purchase price from the buyer 2 to the seller 3 is completed (step S7 in FIG. 2).

In the above embodiment, the purchaser 2 sends the payment intermediation request form 22 to the broker 1 in step S3 in FIG. 22 may be sent.

In the first embodiment described above, as shown in the payment intermediation request form in FIG.
Identification information (slip number) identifying the commercial transaction between the seller and the buyer, an amount that is information on the amount of payment to be paid by the buyer to the seller, and seller information (the name of the counterparty) identifying the seller. It only needs to be notified. Therefore,
As before, buyer information (name, address, phone number, etc.)
There is no need to notify the brokerage, which is a third party in the commercial transaction, of personal information relating to the commercial transaction, such as product purchase information (product name, number of purchases, etc.).

With this, when performing the electronic commerce intermediary service, it is possible to keep private information relating to the commercial transaction such as purchaser information and product purchase information confidential to a third party other than the parties to the commercial transaction (seller and purchaser). Is obtained.

Next, with reference to FIG. 3, an electronic commerce intermediation process in the electronic commerce intermediation service system according to the second embodiment of the present invention will be described. FIG. 3 is a sequence diagram showing a flow of an electronic commerce mediation process in the electronic commerce mediation service system according to the second embodiment. The electronic commerce mediation service system according to the second embodiment has the same configuration as the system shown in FIG.
However, it is assumed that the financial institution 4 has an account of the seller 3.

First, the purchaser 2 sends the merchandise purchase application form 21 shown in FIG. 4 to the seller 3 in the same manner as in steps S1 and S2 in FIG. However, the computer 13 of the distributor 3 describes the transfer destination information of the purchase price (the name of the financial institution 4 and its own account number) in addition to the electronic commerce slip number in the application acceptance notification (step in FIG. 3). S11, S12).

Next, the purchaser 2 requests the financial institution 4 to transfer the purchase price based on the notified transfer destination information. Further, the terminal 12 sends a request for using the payment mediation service to the computer 14 of the financial institution 4. The purchaser 2 describes the same contents as the payment intermediation request form 22 in FIG. 5 in the payment intermediation service use request (step S13 in FIG. 3).

Upon receiving the transfer request and the request for using the payment mediation service, the computer 14 temporarily suspends the process of transferring the purchase price received from the purchaser 2 to the account of the seller 3. As a result, the purchase price is not immediately transferred to the account of the seller 3. Further, the computer 14 sends a transfer certificate certifying the transfer of the purchase price from the purchaser 2 to the computer 11 of the broker 1. The computer 14 describes the contents of the payment mediation service use request in the transfer certificate (step S14 in FIG. 3).

Next, upon receiving the transfer certificate, the computer 11 confirms that the product purchase price and the transfer amount match with each other in the same manner as in step S4 in FIG. Then, a product shipment request is made (step S15 in FIG. 3). As a result, in the same manner as in steps S5 and S6 in FIG. 2 described above, the merchandise is sent from the seller 3 to the purchaser 2, and when the purchaser 2 notifies the computer 11 of the intermediary agent 1 of the receipt of the merchandise, the computer 1
1 is stored in the computer 14 of the financial institution 4 in the step S
The payment for the transfer certificate sent in step 14 is permitted (steps S16 to S18 in FIG. 3).

Next, when receiving the payment permission, the computer 14 resumes the transfer processing suspended in step S14, and transfers the purchase price received from the purchaser 2 to the account of the seller 3. As a result, the purchase price is transferred from the financial institution 4 to the account of the seller 3, and the payment of the purchase price from the buyer 2 to the seller 3 is completed.

Also in the second embodiment described above, identification information (slip number) for specifying a commercial transaction between the seller and the buyer as shown in the payment intermediation request form in FIG. And the amount of information that the buyer should pay to the seller, and the seller information (name of the trading partner) that identifies the seller only needs to be notified. The effect is that personal information relating to commercial transactions such as purchaser information and product purchase information can be kept secret from third parties other than the parties (sellers and purchasers).

Further, in the second embodiment, since the financial institution transfers the price from the purchaser to the seller according to the instruction of the intermediary agent, the intermediary agent directly transfers the price under its own management. Eliminates the need. As a result, an effect is obtained that the load of the mediation process performed by the computer of the mediator can be reduced. In addition, the brokers themselves do not have to worry about making mistakes in the transfer of money, thereby maintaining credibility in the brokerage business.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. included.

[0047]

As described above, according to the present invention,
Identifying information that identifies the transaction between the merchant and the buyer,
The buyer receives information on the payment amount to be paid to the seller and the seller information specifying the seller, receives a purchase price related to the identification information, and receives the received amount and the payment amount to the seller. On the condition that they match, the customer is notified of the identification information based on the seller information, the product is requested to be shipped, and the sale of the product is received on the condition that The payment amount to be paid to the dealer is paid to the other party based on the seller information.

Therefore, as in the prior art, purchaser information (name, address, telephone number, etc.) and product purchase information (product name,
It is not necessary to notify personal information relating to commercial transactions, such as the number of purchases, to an intermediary which is a third party in commercial transactions. Thereby, when performing the electronic commerce intermediary service, it is possible to keep private information relating to the commercial transaction such as purchaser information and product purchase information confidential to a third party other than the parties (sellers and purchasers) of the commercial transaction. The effect is obtained.

Also, from a financial institution, identification information for specifying a commercial transaction between a seller and a purchaser, information on a payment amount to be paid by the buyer to the seller, seller information for specifying the seller, Receives the payment proof of the purchase price pertaining to the identification information, and, provided that the amount of the payment proof and the payment amount to be paid to the seller match, notifies the other party based on the seller information of the identification information, and It is not necessary to notify personal agents related to commercial transactions, such as purchaser information and product purchase information, to an intermediary who is a third party in commercial transactions. An effect is obtained in that personal information relating to commercial transactions can be kept secret from third parties other than the parties to the commercial transactions.

Further, the payment of the purchase price pertaining to the proof of payment to the seller is suspended by the financial institution, and provided that the proof of payment has been received by the financial institution on condition that a notice of receipt of the goods pertaining to the identification information has been received. If you allow the payment of the purchase price to the seller, the financial institution will transfer the price from the buyer to the seller according to the instructions of the intermediary, so the intermediary manages the delivery of the Need not be done directly under

As a result, there is an effect that the load of the mediation processing performed by the computer of the mediator can be reduced. In addition, the broker does not have to worry about making a mistake in the transfer of money, and this has the effect of maintaining reliability in the brokerage business.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an electronic commerce mediation service system according to a first embodiment of the present invention.

FIG. 2 is a sequence diagram showing a flow of an electronic commerce mediation process in the electronic commerce mediation service system shown in FIG.

FIG. 3 is a sequence diagram showing a flow of an electronic commerce mediation process in an electronic commerce mediation service system according to a second embodiment.

FIG. 4 is a diagram showing a configuration example of a product purchase application form 21 sent by a purchaser 2 to a seller 3 shown in FIG.

FIG. 5 is a diagram showing a configuration example of a payment intermediation request form 22 sent by the purchaser 2 shown in FIG. 1 to the intermediary agent 1.

FIG. 6 is a sequence diagram showing a flow of an electronic commerce mediation process in a conventional electronic commerce mediation service method.

7 is a diagram showing a configuration example of a product purchase application form 31 shown in step S21 of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intermediary agent 2 Buyer 3 Seller 4 Financial institution 5 Communication network 11, 13, 14 Computer 12 Terminal

Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat II (reference) G06F 17/60 330 G06F 17/60 330 334 334 430 430 430 502 502 512 512 512

Claims (7)

[Claims] 1. An electronic commerce intermediation service method for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods, wherein the identification specifies a commercial transaction between the seller and the purchaser. Receiving information, information on the amount of payment to be paid by the buyer to the seller, and seller information identifying the seller; receiving a purchase price pertaining to the identification information; And providing the identification information to a destination based on the seller information on the condition that the payment amount matches with the payment amount, and requesting shipping of the product; and receiving a notification that the product related to the identification information has been received. Paying the payment amount to a counterparty based on the seller information on the condition that the payment amount is paid. 2. An electronic commerce intermediation service method for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods, wherein the business transaction between the seller and the purchaser is made from a financial institution. An information receiving step of receiving identification information specifying the information, information on a payment amount to be paid by the buyer to the seller, seller information specifying the seller, and payment proof of the purchase price related to the identification information. And notifying the other party based on the seller information of the identification information and requesting shipment of the product on condition that the payment amount and the payment amount match. E-commerce intermediation service method. 3. In the information receiving step, payment of the purchase price pertaining to the payment certificate to the seller is suspended by the financial institution, and provided that a notification of receipt of the product pertaining to the identification information is received. 3. The electronic commerce intermediation service method according to claim 2, further comprising the step of allowing the financial institution to pay the purchase price related to the payment certificate to the seller. 4. The electronic commerce intermediation service according to claim 1, wherein the identification information is a voucher number of an electronic commerce related to a product purchase application by the purchaser. Method. 5. An electronic commerce mediation service system comprising a computer that performs an intermediary process for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods, wherein the computer is a communication line. Receiving identification information specifying a commercial transaction between the seller and the purchaser, information on the amount of payment to be paid to the seller by the buyer, and seller information specifying the seller. Receiving the purchase price pertaining to the identification information; and subjecting the received amount and the payment amount to coincide with each other, notifying the destination based on the seller information of the identification information, and shipping the product. And, on condition that a notice of receipt of the product relating to the identification information has been received, the payment amount is provided to the other party based on the seller information. E-commerce intermediary service system which is characterized in that the cormorant processing. 6. An electronic commerce mediation service system comprising a computer for performing an intermediary process for mediating a commercial transaction between a seller who sells goods by electronic commerce and a purchaser of the goods, wherein the computer is a communication line. From the financial institution, from a financial institution, identification information specifying a commercial transaction between the seller and the purchaser, information on the amount of payment to be paid to the seller by the buyer, and seller information specifying the seller Receiving a payment proof of the purchase price pertaining to the identification information, and notifying the identification information to a counterparty based on the seller information, provided that the amount of the payment proof and the payment amount match. An electronic commerce mediation service system that performs a process of requesting the shipment of a product. 7. The computer, on condition that it has received a notice of receipt of the product according to the identification information,
The electronic commerce service system according to claim 6, further comprising a process of permitting, via a communication line, payment to the seller of the purchase price related to the payment certificate held by the financial institution. .