TWI741720B - Cryptocurrency transaction system - Google Patents

Abstract

The system of present invention comprises an electronic carrier and an electronic device. The electronic carrier comprises a micro-processor and a security chip with an authorization transaction key and a transaction confirmation program. A transaction application program is installed in the electronic device for applying a plurality of cryptocurrency. A plurality of instruction files are stored in the transaction application program and a transaction request will be generated by the transaction application program after receiving a cryptocurrency balance through a networking module. The transaction request includes a raw data which is incapable of execution independently and a subject instruction file. The electronic carrier generates an authorization transaction data according to the subject instruction file and the raw data, and the authorization transaction data is transferred to the cloud transaction platform for completing the transaction of cryptocurrency. Therefore, the electronic carrier will be applied for a variety of Cryptocurrency for reducing the loading of electronic carrier.

Description

Cryptocurrency trading system

The present invention relates to a trading system that uses electronic vehicles to authorize the transfer of cryptocurrency, in particular to a trading system that can apply known cryptocurrency formats and apply new currency formats derived in the future.

The so-called blockchain technology is a kind of distributed ledger technology that does not rely on third parties and uses its own decentralized nodes to store, verify, transmit and communicate network data. It uses multiple computing devices to participate together and jointly Maintain a complete distributed database. Anyone can use the same technical standards to add their own information at any time, and extend the blockchain to continue to meet the needs of data creation caused by various needs.

Because blockchain technology has the advantages of decentralization, openness and transparency, all computing devices must participate in database records, and data synchronization between computing devices. Therefore, the decentralized system technology of blockchain has been used in many Wide range of applications in the field.

The most common blockchain technology is applied to cryptocurrency (Crypto Currency) transactions, such as: Bitcoin, Ethereum, Litecoin, Ripple, etc. It runs on a decentralized blockchain network in a peer-to-peer (P2P) manner. On the road, the entire transaction process is completed anonymously, and does not rely on central agency issuance and maintenance, but supports the trustworthiness of the transaction through the blockchain network.

The current cryptocurrency transaction protocols are all based on network technology and cryptography. The access and writing of the protocol are related to the private key, public key, and address. Among them, the private key is a kind of random generation. The public key is generated by the elliptic curve cryptography encryption process of the private key, and the address is calculated from the public key to reduce the number of bits of the public key that the recipient needs to identify.

The method that can record the private key can be a wallet, and it can be divided into cold wallet and hot wallet according to whether it is directly exposed to the Internet. Generally, cold wallets can be used such as paper, USB flash drives, optical discs, memory cards, and can be operated. Electronic vehicles (such as electronic cards), etc.; and hot wallets are used in such as computer client wallets, mobile APP wallets, web wallets, etc.

In order to prevent the digital assets of cryptocurrency from being infringed by hackers, most users use electronic vehicles with cold wallets, and the electronic vehicles will have additional verification mechanisms to reduce phishing or deception. However, in view of the types of cryptocurrencies Constantly introducing new ones, and different currency types have different composition methods, which often causes the load of the electronic vehicle verification mechanism to continue to increase, and most of the electronic vehicles have a fixed number of verification methods set when the manufacturing is completed, and cannot be added or updated. Additional verification methods will limit the use of electronic vehicles.

The main purpose of the present invention is to provide a transaction system that combines an electronic vehicle and an electronic device, allowing the transaction application installed on the electronic device to pre-determine the type of cryptocurrency, so that the electronic device can directly execute transaction requirements without a built-in analysis module. The display, composition, and authorization operations of the electronic vehicle allow the electronic vehicle to be applicable to various cryptocurrency types that have been launched, and reduce the load of the electronic vehicle.

The secondary purpose of the present invention is to allow the electronic vehicle to authorize transactions of various cryptocurrencies newly launched in the future without additional updates or installation of other programs, thereby greatly increasing the application range of the transaction system.

Another object of the present invention is to have an additional verification mechanism between the electronic vehicle and the electronic device, so that unauthorized packet data cannot be executed by the electronic vehicle, thereby enhancing the security of the transaction system.

To achieve the foregoing objectives, the cryptocurrency transaction system of the present invention includes an electronic carrier and an electronic device. The electronic carrier has a security chip, a display screen, an operating interface, a transmission module to be paired and connected, and an electronic device. Microprocessor, the security chip stores an authorized transaction key and a transaction confirmation program.

The electronic device is installed with a transaction application program suitable for multiple cryptocurrencies, and is paired with the transmission module of the electronic vehicle. The transaction application program stores a plurality of instruction files that match the cryptocurrency one-to-one. The transaction application receives a cryptocurrency balance of a cloud account book via a connected module, and one of the cryptocurrency formats will be selected by the transaction application to generate a transaction request, the transaction request includes a transaction that cannot be confirmed by the transaction The original data of the program independently executed and a target instruction file matching the cryptocurrency format, the transaction application program then transmits the target instruction file and the original data to the microprocessor of the electronic vehicle.

Wherein, the transaction confirmation program calculates the original data according to the target instruction file to generate a transaction detail and a transaction data for display on the display screen; the transaction confirmation program receives a confirmation command generated by the operation interface, the The transaction data and the authorized transaction key will be combined to generate a transaction authorization data, and the transaction authorization data will be transmitted to the transaction application through the transmission module; the transaction application will transmit the transaction authorization data to a package containing The cloud transaction platform of the cloud account book completes the transfer transaction of the cryptocurrency.

In a preferred embodiment, the transaction application further stores a pairing public key and a pairing key, and a pairing signature is generated by the pairing key, and the pairing signature is paired with the electronic device on the electronic device. It is transferred to the security chip for storage in time, and the command files and the target command file have an authorization code that can be verified by the transaction confirmation program; and the target command file, the original The initial data and the matching signature are integrated by the transaction application into a data packet transmitted to the electronic vehicle.

In addition, the transaction confirmation program has an authentication module and a calculation module, the calculation module is restricted by the authentication module to a locked state where the calculation is suspended, and the authorization code and the pairing signature of the target command file are Being verified by the authentication module, the calculation module is released into an unlocked state that can calculate the original data according to the target command file.

The transaction application program includes a database module and a transaction request module. The database module stores a plurality of instruction files that match the cryptocurrency format one to one, and the database module can update and store other instructions File to add an additional cryptocurrency format; one of the instruction files will be selected by the transaction request module as the target instruction file to match the specified cryptocurrency format.

The target instruction file contains a display instruction and a composition instruction. The display instruction is to disperse and extract the partial data of the original data into a plurality of display data. The display data constitute the transaction details. The composition instruction is The original data is all scattered and extracted into a plurality of component data, and the component data is combined with a main body data to form the transaction data together.

From the above description, the feature of the present invention is that the transaction application program of the electronic device can select the type of cryptocurrency, and calculate the transaction-related data into raw data to be used in conjunction with the target instruction file, so that the electronic vehicle does not need to have a built-in analysis module. Only the target execution file is directly used to calculate the original data, so that the display, composition, and authorization operations required by the transaction can be directly executed, so that the electronic vehicle can be used with various cryptocurrency types that have been launched, and the load of the electronic vehicle can be reduced.

Figure 1 is a schematic diagram of the cryptocurrency transaction system of the present invention; Fig. 2 is a schematic diagram of the internal structure of the electronic device; Fig. 3 is a schematic diagram of the trading application program newly storing other command files; Fig. 4 is a schematic diagram of the internal structure of the electronic vehicle; Fig. 5 is a schematic diagram of the electronic device and the electronic vehicle matching connection Figure 6 is a schematic diagram of the electronic device obtaining the cryptocurrency balance from the cloud account book; Figure 7 is a schematic diagram of the transaction confirmation program verifying most signatures to execute the command file and calculate the original data; Figure 8 is the schematic diagram of the command file for two calculations; 9 is a schematic diagram of the electronic vehicle receiving a confirmation instruction to complete the authorization signature; and FIG. 10 is a schematic diagram of the electronic device obtaining authorization to conduct cryptocurrency transactions.

In order to facilitate a deeper, clear and detailed knowledge and understanding of the structure, use and characteristics of the present invention, a preferred embodiment is given, which is described in detail in conjunction with the drawings as follows:

Please refer to FIG. 1, the cryptocurrency transaction system of the present invention includes an electronic carrier used as a cold wallet (such as a smart card) and an electronic device capable of connecting to the Internet (such as a mobile phone, a tablet, a laptop) ), as shown in Figure 2, the electronic device has a networking module that can connect to the Internet and a transaction application that is suitable for transactions with multiple cryptocurrencies (such as Bitcoin, Ethereum, Litecoin, etc.) Program; and the networking module can be paired with the electronic vehicle, and the transaction application includes a database module and a transaction request module.

The database module stores a plurality of command files matching the cryptocurrency formats one-to-one; and the transaction request module can select one of the plurality of command files as the target command file matching the cryptocurrency, and The transaction request module can calculate and generate a raw data that cannot be independently identified and executed. The selection of these command files is based on the password entered by a user in the transaction application. The code currency type determines the target instruction file, and the original data is generated based on the transaction-related data input by the user.

In addition, as shown in Figure 3, if the database module initially only stores command files corresponding to three different cryptocurrency types, the database module can still be updated by updating the trading application in the future. The 4th, 5th and even the 6th command file.

Please refer to Figure 4, the electronic carrier includes a security chip, a display screen, an operating interface, a transmission module and a microprocessor, the security chip is used to store an authorized transaction key and a transaction confirmation program , And the transaction confirmation program has an authentication module and a calculation module. The display screen is used to display the pairing request and transaction confirmation and other related data. The operation interface is for the user to manually operate the pairing and confirmation procedures. The transmission module is used The electronic device is connected by matching the networking module, and the microprocessor is electrically connected between the security chip, the display screen, the operation interface and the transmission module.

Please refer to Figure 5, when the electronic device connects to the transmission module of the electronic carrier through the networking module to make a pairing request, the electronic carrier will detect whether there is any electronic device pairing stored in the security chip If there is no pairing public key, the electronic vehicle will request the electronic device to provide a pairing public key, where the transaction confirmation program has already stored a pairing public key when it is installed on the electronic device And a pairing private key, so the pairing public key will be directly transferred to the security chip of the electronic carrier for storage. However, if the security chip already stores the pairing public key, the electronic vehicle will directly request the electronic device to generate a pairing signature calculated by the pairing key, so as to increase the gap between the electronic device and the electronic vehicle. Security of data transmission.

Furthermore, in order to increase the security of data transmission, the transaction application program of the electronic device, the transaction confirmation program of the electronic vehicle, and each instruction file that meets the characteristics of each cryptocurrency must be issued by Developed by the same company, so that they can mutually confirm the source of program data. Therefore, the command files must contain an authorization code (as shown in Figure 3), and the transaction application and the transaction confirmation program can also store the authorization code .

Please refer to Figure 6, when a cryptocurrency transaction is to be performed, the user must first confirm the status of the cryptocurrency owned by the user through the transaction application, and let the network module send a cloud account book to a cloud trading platform. Query request, the cloud account book transmits a corresponding cryptocurrency balance to the transaction application according to the query request, so that the transaction application displays the cryptocurrency balance to the user.

Please refer to Figure 1 again. After obtaining the cryptocurrency balance, the user can select the cryptocurrency type to be traded, enter the transaction object and the transaction limit, and let the trading application select one of the instruction files The corresponding cryptocurrency type is used as the target instruction file, and the transaction request module calculates the original data based on the transaction object, transaction amount, and cryptocurrency type, etc., and the transaction request module will then convert the target instruction file, The original data and the matching signature are integrated into a data packet, and the data packet will be transmitted to the electronic carrier by the networking module.

Please refer to Figure 7, the authentication module of the transaction confirmation program restricts the calculation module to a locked state where the calculation is suspended. Therefore, when the electronic vehicle receives the data packet, the target instruction file The authorization code and the pairing signature will be obtained by the authentication module, and the authentication module will verify the two verification mechanisms. Subsequently, the calculation module is released by the authentication module into an unlocked state capable of calculation.

Please refer to Figure 8. In the unlocked state, the calculation module will calculate the original data according to the target command file to generate a transaction detail and a transaction data for display on the display screen; in a preferred embodiment In addition to the authorization code, the target command file also contains a display Display instruction and a composition instruction, the display instruction is to disperse and retrieve the partial data of the original data into a plurality of display data, and the transaction details are formed by the display data, and the composition instruction is to disperse and retrieve all the original data To form a plurality of component data, and combine these component data into a main body data to form the transaction data together.

Please refer to Figure 9. Afterwards, the user can learn the content of the transaction details through the display screen and confirm whether the transaction details match the details initially entered in the electronic device. After the confirmation is completed, the transaction confirmation program will receive it again A confirmation command generated by the operation interface, the calculation module will again combine the transaction data with the authorized transaction key to generate a transaction authorization data.

Please refer to Figure 10. Finally, the transaction authorization data is transmitted to the transaction application through the transmission module; then the transaction authorization data is transmitted to the cloud transaction platform through the network module. The cloud transaction platform will complete the cryptocurrency transfer transaction according to the transaction object, transaction limit, and cryptocurrency type in the transaction authorization data, and transfer the cryptocurrency balance to the electronic device for display after the transaction is completed.

Claims (6)

A cryptocurrency trading system, including: An electronic carrier with a security chip, a display screen, an operation interface, a transmission module to be paired and connected, and a microprocessor. The security chip stores an authorized transaction key and a transaction confirmation program; An electronic device is installed with a transaction application program suitable for multiple cryptocurrencies, and is paired with the transmission module of the electronic vehicle. The transaction application program stores a plurality of instruction files that match the cryptocurrency one-to-one. The transaction application program receives a cryptocurrency balance of a cloud account book through a connected module, and one of the cryptocurrency formats will be selected by the transaction application program to generate a transaction request. The transaction request includes a transaction request that cannot be accepted by the transaction. Confirm the original data independently executed by the program and a target instruction file matching the cryptocurrency format, and the transaction application program then transmits the target instruction file and the original data to the microprocessor of the electronic vehicle; Wherein, the transaction confirmation program calculates the original data according to the target instruction file to generate a transaction detail and a transaction data for display on the display screen; The transaction confirmation program receives a confirmation command generated by the operation interface, the transaction data and the authorized transaction key will be combined to generate a transaction authorization data, and the transaction authorization data will be transmitted to the Trading application; The transaction application program transmits the transaction authorization data to a cloud transaction platform containing the cloud account book to complete the cryptocurrency transfer transaction. The cryptocurrency transaction system of claim 1, wherein the transaction application further stores a pairing public key and a pairing key, and a pairing signature is generated by the pairing key, and the pairing signature is in the electronic When the device is paired with the electronic carrier, it is transferred to the security chip for storage, and the command files and the target command file all have an authorization code that can be verified by the transaction confirmation program. The cryptocurrency transaction system of claim 2, wherein the target instruction file, the original data, and the matching signature are integrated by the transaction application into a data packet to be transmitted to the electronic vehicle. The cryptocurrency transaction system according to claim 3, wherein the transaction confirmation program has an authentication module and an calculation module, the calculation module is restricted by the authentication module to a locked state where calculation is suspended, and the target command The authorization code and the pairing signature of the file will be verified by the authentication module, so that the calculation module is released into an unlocked state that can calculate the original data according to the target command file. The cryptocurrency transaction system of claim 1, wherein the transaction application program includes a database module and a transaction request module, and the database module stores a plurality of commands that match the cryptocurrency formats one-to-one The database module can update and save other command files to add additional cryptocurrency formats; one of these command files will be selected by the transaction request module as the target command file to match the specified cryptocurrency format . For example, the cryptocurrency transaction system of claim 1, wherein the target instruction file includes a display instruction and a composition instruction. Data to form the transaction details, the composition instruction is to extract all the original data into multiple composition data, and combine the composition data into a main body data to form the transaction data.

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