KR20190126652A - Electronic wallet system for electronic signature based on block chain - Google Patents

Abstract

The present invention relates to an electronic wallet system for electronic signature based on blockchain to replace certificate using an electronic wallet based on blockchain with advantages in security and transparency as electronic signature and perform more convenient and safe authorizing process. The electronic wallet system is implemented by including a plurality of nodes storing information of a user in the form of a token in an electronic wallet and providing electronic signature information and storage information if a call of information satisfying the condition is receives or the user agrees the condition, and a blockchain platform connecting the nodes to blockchain and distributing tokens transmitted from a specific node to a node registered in a block channel. Each node selects and provides content stored in the determined form or digital document in the electronic wallet for item requested by an opponent, or provides the stored content according to a database field.

Description

Electronic wallet system for electronic signature based on block chain}

The present invention relates to an electronic wallet system for blockchain-based electronic signatures, in particular, by using a blockchain-based electronic wallet, which has advantages of security and transparency as an electronic signature, to replace a certificate and perform a more convenient and secure authentication process. The present invention relates to an electronic wallet system for a blockchain-based digital signature.

In recent years, Korea has been changing the accredited certificate system that has been used as a long-term certification system to utilize various certification information.

An accredited certificate is an electronic signature required for certification online. You can use it as an e-signature to authenticate your identity because only you have the certificate when you use e-commerce.

On the other hand, the public certificate is inconvenient to go through the procedure of finding the certification authority and receiving the authentication key, and it is an authentication system that has been criticized by many people due to the complexity of the process of registering and using the public certificate.

Therefore, a new certification system for convenient and safe digital signatures has been required while eliminating the complexity of registering and using these certificates.

The present invention has been proposed in accordance with the requirements of the new authentication system, which is safe and easy to use, and utilizes a blockchain-based electronic wallet, which has the advantages of security and transparency, as an electronic signature to replace an authorized certificate. The purpose is to provide an electronic wallet for the blockchain-based digital signature to perform the authentication process.

Another object of the present invention is to provide an electronic wallet for a blockchain-based electronic signature to implement an authentication system for electronic signatures using a blockchain-based electronic wallet consisting of asymmetric technology of private key and public key.

In order to achieve the object as described above, the electronic wallet system for a blockchain-based electronic signature according to the present invention, to store their information in the form of a token in the electronic wallet, receive a call of information that meets the conditions or the user A plurality of nodes for providing electronic signature information and storage information if agreed; And a blockchain platform for connecting the plurality of nodes to a blockchain and distributing tokens transmitted from a specific node to nodes registered in a block channel.

Each node of the plurality of nodes may select and provide contents stored in a form or a digital document defined in an electronic wallet for an item requested by a partner, or may be provided according to a database field.

The plurality of nodes may store personally identifiable information, specific personal information, scanned signatures, and seals in one token or separately in a plurality of tokens for each information area.

The token is characterized in that the smart contract function is built in, the information is automatically stopped according to a predetermined period or a predetermined condition or provide additional information according to the stored condition.

Each node of the plurality of nodes uses a private key to provide a token containing the desired information to a third party or retrieve a token provided by the third party, and automatically provide the necessary information in the partner's system with their consent. It features.

The electronic wallet cannot modify the name, social security number, and gender. The phone number, address, and e-mail address information can be modified through an additional authentication procedure. It is characterized by registering by adding an evaluation.

The scanned sign and seal stamp registered in the token form of the electronic wallet can be transmitted only to the other party's public key as the user's private key, and serve as an image to prove themselves in various transactions. It is characterized by being utilized.

The token is delivered to the counterpart based on the counterpart public key address, and if the counterpart has not established a blockchain-based electronic wallet system, information is automatically input in accordance with the contents set in the current online system.

When the token is provided, a separate one-time password (OTP) program is set to prevent loss or illegal use by another person.

The electronic wallet can be used to provide information for other blockchain systems, and is also used to prove other similar electronic wallets of its own.

The electronic wallet is characterized by using the virtual currency of the wallet as a payment method used in the contract process or pay the cost for the electronic signature in accordance with the conditions by storing the virtual currency that can be purchased together.

According to the present invention, by using a blockchain-based electronic wallet, which has advantages of security and transparency, as an electronic signature, an authorized certificate can be replaced, thereby providing a more convenient and secure authentication system.

1 is a schematic configuration diagram of an electronic wallet system for a blockchain-based electronic signature according to the present invention,
Figure 2 is an illustration of the token stored in the electronic wallet in the present invention,
Figure 3 is an illustration of the job search process in the present invention,
Figure 4 is an illustration of the recruitment process in the present invention,
5 is an exemplary diagram of a process of arranging a meeting of a marriage information company in the present invention;
6 is an exemplary diagram of a purchase and payment process of a shopping mall company in the present invention.

Hereinafter, an electronic wallet system for a blockchain-based electronic signature according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an electronic wallet system for a blockchain-based electronic signature according to a preferred embodiment of the present invention, the user's information is stored in the electronic wallet in the form of a token, and the user receives a call of information that meets the conditions If agreed, a plurality of nodes 200 for providing digital signature information and storage information, a block chain connecting the plurality of nodes 200 to a block chain, and distributing tokens transmitted from a specific node to nodes registered in a block channel. Platform 100.

Here, each of the nodes 201 to 200 + N of the plurality of nodes 200 selects and provides contents stored in a form or a digital document defined in an electronic wallet for an item requested by an opponent or in accordance with a database field. It is preferable.

The configuration and operation of each node 201 to 200 + N in the plurality of nodes 200 are the same, and each node 201 to 200 + N may be implemented as a personal computer, a tablet PC, a notebook, and a mobile device. have.

The plurality of nodes 200 may store personally identifiable information, specific personal information, scanned signs and seals in one token, or individually stored in a plurality of tokens for each information area, and each node 201 to 200 + N. ) Provides a token containing the desired information to a third party or retrieves the token provided by the private key, and can automatically provide the necessary information from the opponent's system with their consent.

The token has a built-in smart contract function, it is preferable to automatically stop providing information according to a predetermined period or a predetermined condition or to provide additional information according to a stored condition. In addition, the token is delivered to the counterpart based on the counterpart's public key address, and if the counterpart has not established a blockchain-based electronic wallet system, information may be automatically input in accordance with the contents set in the current online system. In this case, when a token is provided, a separate one-time password (OTP) program may be set to prevent loss or illegal use by another person.

In addition, the electronic wallet is not possible to modify the name, ID card number, gender items, telephone number, address, email address information can be modified through additional authentication process, profile, hobby, property status, health information of the recipient You can register by adding comments and ratings.

In addition, the scanned sign and seal stamp stored in the token of the electronic wallet can be sent only to the other party's public key as the user's private key, acting as an image to prove themselves in various transactions, and used as an electronic signature that agrees to the transaction terms. Can be.

These wallets can be used to provide information for other blockchain systems, can be used to prove other similar wallets of their own, and can be purchased together with the cryptocurrency that can be purchased. You can use the cryptocurrency of the wallet to pay the required expenses in cryptocurrency or as a payment method used in the contract process.

Referring to the operation of the electronic wallet system for a blockchain-based electronic signature according to an embodiment of the present invention configured as described above in detail as follows.

The present invention is to register the electronic signature on the blockchain-based electronic wallet, to distribute and store the user's information most securely, to prevent the risk of forgery in advance and to verify the information content even if the hacking with asymmetric encryption technology Prevent use

If the authorized certificate is replaced through the blockchain and the electronic wallet based on it, various authentication processes can be performed through the electronic signature more conveniently and safely.

An electronic signature is a means of verifying identity online or as a real counterpart in a transaction, just as it requires an identity card such as a national ID card or driver's license or a personal seal or signature when attempting to verify identity or make transactions in an offline reality. It is necessary.

The electronic signature is a method of authenticating itself by using an electronic signature key. The present invention uses an electronic wallet composed of an asymmetric technique of a private key and a public key used in a blockchain system to replace this role.

In particular, blockchain-based electronic wallets can store their various information through tokens with smart contract functions and provide them to their desired counterparts. These tokens implement identity verification features that require digital signatures, and can receive various services that can be obtained through their information. In addition, by using a blockchain-based electronic wallet, the service central server implements a system without personal information to improve security performance. In this way, the information contained in the token can be used for information exchange between parties through cryptographic blockchain P2P communication as necessary.

For example, a node (e.g., 201) for using an electronic wallet for blockchain-based electronic signatures may install a blockchain-only program or go online to use an electronic wallet for blockchain-based electronic signatures. Sign up as a member of the site. When the membership is registered, the electronic wallet public key and private key are given, and later login through the private key.

Subsequently, the node 201 stores its information in the form of a token in an electronic wallet.

Here, the node 201 may include personally identifiable information such as a user's name, age, gender, address, phone number, email address, social security number, driver's license number, user's profile, history, hobbies, ideal type, property status, health status, The same specific personal information and the scanned signature and seal stamp are stored in one token or individually stored in a plurality of tokens for each information area as shown in FIG. 2.

If multiple tokens are used for each information area, Token A includes resume / polio, cover letter, seal certificate, personal seal, digital signature, name, and so on. Keep all your information such as gender, address, phone number, etc. as comprehensive information, or keep only educational information such as university entrance / major, degree, thesis, career, resume, and self-introduction as resume information area like token B. Alternatively, as in token C, only the authentication information such as seal certificate, personal seal, digital signature, public certificate, biometric, etc. is stored in the withdrawal server information area, or as in token D, name, gender, date of birth, social security number, telephone number, Only basic information such as address is stored in the basic information area, or personal information such as job, job title, height, weight, marital status, hobbies, and inclination, such as token E, is stored separately in the personal information area, or token F and Likewise, only medical information may be stored in the medical information area, or, like token G, only financial information may be stored in the financial information area. There. In addition to this information area, other information may be classified by area and stored as a separate token.

In the same way as above, the user's information is stored in the electronic wallet in token form, and when the user receives the call of information that meets the conditions through the blockchain or the user agrees, it provides authentication information and other information for the electronic signature stored in the token. do.

For example, in the case of job search, token B and token D are provided with personal resume information and basic information.

Figure 3 shows the job search process proceeded after the job seeker search for job information. After retrieving the job listings, the job application, including a resume token, is processed in an encrypted P2P manner. Job applicants will check the applicant's resume tokens and conduct an interview.

That is, in step S101, the job / job company connects to the job / job site, and then registers in step S102. Thereafter, the user logs in using the member private key in step S103, and details of the job applicant and the resume are stored in the electronic wallet in step S104. Subsequently, in step S105, the job seeker characteristic is stored in the service central server, and public setting is made. Next, job opening information is searched for by the item disclosed in step S106. Subsequently, after retrieving the job information in step S107, the job application including the resume token is performed in an encrypted P2P manner. The job search company checks the applicant resume token in step S108 and then determines an interview in step S109.

In this case, a smart contract function may be inherent in the provided token, so that information may be automatically stopped based on a predetermined period or a predetermined condition or additional information may be provided according to a stored condition. In the case of the job search, the information provided by him or her is automatically deleted when the interview is dropped.

Next, in the case of job openings, token B and token D, which store personal resume information and basic information, are provided.

Figure 4 shows the job search proceeding after the job seeker search for job information. After retrieving the job listings, the job application including the resume token is processed in an encrypted P2P manner. Job applicants will check the applicant's resume tokens and conduct an interview.

That is, in step S201, the job / job company connects to the job / job site, and then registers in step S202. Thereafter, the user logs in using the member private key in step S203, and stores detailed company information in the electronic wallet in step S204. Subsequently, in step S205, the company information is registered in the service central server, and public setting is made. Then, the job seeker is searched for by the item disclosed in step S206. Subsequently, the job seeker is requested to the job seeker in step S207. In response to this request, the recruiter performs the job application in an encrypted P2P manner including the job seeker resume in step S208. The job company confirms the candidate resume token in step S209 and then determines an interview in step S210.

In this case, a smart contract function may be inherent in the provided token, so that information may be automatically stopped based on a predetermined period or a predetermined condition or additional information may be provided according to a stored condition. In the case of the job opening, the information provided by him / her is automatically deleted when he is dropped from the interview.

In addition, marriage information companies provide token D and token E, which store basic and personal information. In this way, the item stored in the form or digital document defined in the electronic wallet for the item requested by the partner can be provided by the user or provided according to the matching database (DB) field.

5 shows a process for arranging a meeting in a marriage information company. The customer stores the detailed personal information as a token in the electronic wallet and registers the electronic wallet address to proceed with the encryption P2P method.

That is, in step S301 the marriage information company establishes a meeting site, and in step S302, the customer registers. Thereafter, in step S303, the user logs in using the member private key, and in step S304, the personal details are stored in the electronic wallet as a token. Subsequently, the electronic wallet address is registered in the service central server in step S305. At this time, the personal characteristics are stored and the disclosure is set. At this point, the service central server stores only the approximate personal characteristics that are required for retrieval. For example, a key item may be one of a large key, a middle key, and a small key. Therefore, direct personal information is not stored in the service central server. Next, in step S306, the customer retrieves the status using the public data. Subsequently, in step S307, the applicant is requested to meet with the applicant, including detailed information of the applicant. You can apply for a meeting using the e-mail address shown in the search results. The meeting application uses P2P communication to protect personal information. Next, in step S308, the recipient checks the applicant details, and then decides to meet. If the recipient approves the encounter, the token including the recipient details is sent to the applicant in step S309. In this case, it is desirable to protect personal information using P2P communication. Fees will be deducted from the meeting request. Subsequently, in step S310, the applicant decides to meet after checking the recipient details, and then in step S311, the meeting is made using the shared contacts. After the encounter, in step S312, the evaluation data for the other party is registered in the central server. This evaluation data is later reflected in the relative search results.

In this case, a smart contract function may be inherent in the provided token, so that information may be automatically stopped based on a predetermined period or a predetermined condition or additional information may be provided according to a stored condition. In the case of the meeting, the contract period with the marriage information company may be automatically deleted upon successful termination or marriage.

In addition, the shopping mall provides token C and token D withdrawal information and basic information for purchase and payment. In this way, the item stored in the form or digital document defined in the electronic wallet for the item requested by the partner can be provided by the user or provided according to the matching database (DB) field.

6 shows a process for purchasing and payment in a shopping mall. The customer registers at the shopping mall and proceeds with the purchase process through product search and the product evaluation process after confirming the purchase.

That is, in step S401, the shopping mall company builds a shopping mall site, and in step S402, the customer registers. Thereafter, the user logs in using the member private key in step S403, and searches for the product of the shopping mall site in step S404. When searching for a product, the exposed evaluation data may be referred to. In step S405, the customer selects a product to purchase and adds it to the cart, and in step S406, the customer selects a purchase. Subsequently, payment is performed using the payment process in step S407. At this time, through the smart contract (smart contract) function in the product purchase amount payment process, it includes all the buyer's contact information, shipping address, payment amount. This part is preferably to proceed with the actual delivery-related personal information using encrypted P2P communication. Subsequently, the payment is confirmed in step S408, and if wages are not achieved, the process moves to step S409 to request wages. Otherwise, if the deposit has been made, go to step S410 to request the shipment of goods through the delivery company. Thereafter, in step S411, if the receipt of the goods has been received and the goods are not received, go to step S412 to request the shipping company again, and if the goods are received, go to step S413 to confirm the purchase confirmation. do. Here, the customer can return the goods if there is something wrong with the received goods. If there is a request for return in step S415, the process moves to step S416 and requests the person in charge to collect the delivered goods (courier service). Subsequently, when the collection of the goods delivered in step S417 is made, the process proceeds to step S418 and the refund process is performed through the refund processing process. Subsequently, it is checked whether a refund has been made in step S419. If no refund has been made, the process moves to step S420 to request a refund. Otherwise, if the refund is made, the process goes to step S421 to end the refund process. If the refund is made or the purchase is confirmed as a result of the checking in step S413, the process moves to step S414 to register the product evaluation and reflect the registered product evaluation data in the product search.

In addition, when the contract with the other party, the basic information of the individual, such as resident registration, etc. are provided, and when signing the contract, their account number / seal certificate / digital sign may be provided sequentially.

In addition, each node 201 to 200 + N uses a private key to provide a token containing the desired information to a third party, or retrieve the token provided, and automatically obtain the necessary information from the partner's system with their consent. Can be provided as

For example, if a job requires a name / gender / career / resume, etc., the job seeker's electronic wallet can automatically provide his or her own information corresponding to the job or automatically match the database value to the job. You can select the options to be called and delivered to the other party. Tokens can be attached to the smart contract function, which is provided only upon successful job search and automatically deleted upon elimination.

In this case, when a token is provided, a separate one-time password (OTP) program may be set to prevent loss or illegal use by another person.

In addition, the token is delivered to the counterpart based on the counterpart's public key address, and if the counterpart has not established a blockchain-based electronic wallet system, information may be automatically input in accordance with the contents set in the current online system.

The electronic wallet can not modify the name, ID card number, gender items, telephone number, address, email address information can be modified through additional authentication process, the profile, hobbies, property status, health information opinion of the recipient You can register by adding an assessment.

In addition, the scanned sign and seal stamp stored in the token of the electronic wallet can be sent only to the other party's public key as the user's private key, and serve as an image that proves itself to various transactions, and is used as an electronic signature that agrees to the transaction terms. It can be used for future civil and criminal responsibilities.

These wallets can be used to provide information for other blockchain systems, and can also be used to prove other similar wallets. In addition, it is possible to store virtual currency that can be purchased together and pay the cost for digital signatures according to the conditions as virtual currency or use the virtual currency of the wallet as a payment method used in the contract process.

Cryptocurrency can use cryptocurrency such as Bitcoin or Ethereum. In this case, it is preferable to use a closed coin exchanged at the same ratio (1: 1) as the current currency.

In addition to the virtual currency, there may be a case in which an existing bank account is used. In this case, a coin may be provided in connection with accounts of both sides to implement a payment using an existing bank account.

Although the invention made by the present inventors has been described in detail according to the above embodiments, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit and scope of the present invention. Self-evident to those who have

100: blockchain platform
200: multiple nodes

Claims (10)

As a system for implementing electronic signature using blockchain-based electronic wallet,
A plurality of nodes storing information of the user in the form of a token in an electronic wallet, and providing electronic signature information and storage information upon receiving a call of information satisfying a condition or agreeing with the user; And
And a blockchain platform for connecting the plurality of nodes to a blockchain and distributing tokens transmitted from a specific node to nodes registered in a block channel.
Each node of the plurality of nodes selects and provides contents stored in a form or a digital document defined in an electronic wallet for an item requested by a partner, or provides them according to a database field. Electronic wallet system.
2. The blockchain-based digital signature of claim 1, wherein the plurality of nodes stores personally identifiable information, specific personal information, scanned signs, and seals in one token, or individually stored in a plurality of tokens for each information area. Electronic wallet system for.
The electronic device for a blockchain-based digital signature of claim 1, wherein the token has a smart contract function, and the information is automatically stopped according to a predetermined period of time or a predetermined condition or additional information is provided according to a stored condition. Wallet system.
The method according to claim 1, wherein each node uses a private key to provide a token containing the desired information to a third party or retrieve a token provided, and automatically provide the necessary information in the partner's system with its consent. Electronic wallet system for blockchain-based digital signature.
In claim 1, the electronic wallet is not possible to modify the name, ID card number, gender items, telephone number, address, email address information is modified through an additional authentication process, profile, hobby, property status, health information to receive it Electronic wallet system for blockchain-based electronic signature, characterized in that the registration by adding the opinion and evaluation of the other party.
The method of claim 2, wherein the scanned sign and seal can be transmitted only as the user's private key to the other party's public key, and serve as an image to prove itself to the transaction, and is used as an electronic signature to agree to the transaction conditions. Electronic wallet system for blockchain-based digital signature.
The method of claim 1, wherein the token is delivered to the counterpart based on the counterpart public key address, and if the counterpart does not establish a blockchain-based electronic wallet system, information is automatically input in accordance with the contents set in the current online system. Electronic wallet system for blockchain-based digital signature.
The electronic wallet system for a blockchain-based electronic signature according to claim 7, wherein a separate one-time password (OTP) program is set when the token is provided, thereby preventing it from being lost or illegally used by others. .
The electronic wallet of claim 1, wherein the electronic wallet can be used to provide information for another block chain system, and can also be used to prove another electronic wallet similar to one another. system.
The method of claim 1, wherein the electronic wallet is to store the virtual currency that can be purchased together to pay the cost for the digital signature in accordance with the conditions as a virtual currency or to use the virtual currency of the wallet as a payment method used in the contract process Electronic wallet system for blockchain-based digital signature.

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