CN116739587B - System and method for realizing public security organ to give and store case-related virtual currency - Google Patents

System and method for realizing public security organ to give and store case-related virtual currency Download PDF

Info

Publication number
CN116739587B
CN116739587B CN202310818548.6A CN202310818548A CN116739587B CN 116739587 B CN116739587 B CN 116739587B CN 202310818548 A CN202310818548 A CN 202310818548A CN 116739587 B CN116739587 B CN 116739587B
Authority
CN
China
Prior art keywords
wallet
public security
module
virtual currency
case
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310818548.6A
Other languages
Chinese (zh)
Other versions
CN116739587A (en
Inventor
陈烨
吴方全
沙泳江
周征征
徐文星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI PUBLIC SECURITY BUREAU
Original Assignee
WUXI PUBLIC SECURITY BUREAU
Filing date
Publication date
Application filed by WUXI PUBLIC SECURITY BUREAU filed Critical WUXI PUBLIC SECURITY BUREAU
Priority to CN202310818548.6A priority Critical patent/CN116739587B/en
Publication of CN116739587A publication Critical patent/CN116739587A/en
Application granted granted Critical
Publication of CN116739587B publication Critical patent/CN116739587B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The application discloses a system and a method for realizing the public security organ to withhold and store case-related virtual currency, which can realize the functions of public security cold wallet opening, case handover information registration, case-related virtual currency handling and transferring, wallet fund monitoring and the like, and perform the partitioned cryptograph protection on public security cold wallet hardware equipment, ensure the safety and compliance of operation in the handling and transferring, withhold and storing processes, and meet the requirements of the public security organ for detecting the high-efficiency withhold and the safe storage of case-related virtual currency in case-related virtual currency.

Description

System and method for realizing public security organ to give and store case-related virtual currency
Technical Field
The application relates to the technical field of risk control, in particular to a system and a method for realizing the protection and preservation of case-related virtual currency by a public security organization.
Background
In recent years, with the explosion of bit coins, various virtual currencies are continuously emerging, and virtual currency related crimes are highlighted and spread, and are obvious from various illegal crimes. The method has the advantages that the method can effectively withhold and safely store the case-related virtual currency, not only can fix case-related evidence, but also can provide important basis for judicial judgment and criminal investigation.
Through researching and knowing the existing similar software systems at home and abroad, no system capable of meeting the requirement exists at present. In the domestic and foreign markets, the public security cold wallet is a hardware cold wallet product developed for private virtual currency storage, and cannot meet the requirements of public security cold wallet, such as official body exploitation, private key scattered storage, multiparty authentication and treatment, and the like, and has poor compliance. Thus, custom development of specialized escrow systems and methods is required to accommodate police operations.
Disclosure of Invention
The application provides a system and a method for realizing the sequestration and the preservation of case-related virtual currency of a public security organization, and provides a system and a method for standardized sequestration and preservation activities of virtual currency
In one aspect, the present application provides a system for implementing public security authorities to sequester and store case-related virtual currency, the system comprising:
The initialization module is used for initializing the public security cold wallet hardware equipment, inputting case information corresponding to the public security cold wallet hardware equipment and generating a database corresponding to the case information;
The wallet issuing module is connected with the initializing module and is used for generating a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generating wallet addresses corresponding to the virtual currency sub-wallets respectively;
the ciphertext generating module is used for generating a pair of public keys and private keys, performing asymmetric encryption on the root mnemonics by utilizing the public keys, dividing the ciphertext into at least 3 ciphertext fragments, respectively keeping the ciphertext fragments, and writing the private keys into public security cold wallet hardware equipment at one time;
The withholding and keeping module is connected with the wallet opening module, and the withholding and keeping module obtains wallet addresses of the virtual wallet with the corresponding currency when withholding according to the virtual currency wallet generated by the wallet opening module, carries out withholding operation and writes withholding information into public security cold wallet hardware equipment;
the handling and transferring module is used for decrypting the public security cold wallet hardware equipment before handling and transferring the extruded case-related virtual currency and realizing handling of the extruded case-related virtual currency or inputting of transferring information of the public security cold wallet hardware equipment after the decryption is successful.
Further, the initialization means that verification of the public security cold wallet hardware equipment and binding of the public security cold wallet hardware equipment are completed through entering of a system unlocking password, and mutual pairing of the public security cold wallet hardware equipment and the system is achieved.
Further, the system also comprises a wallet generation display module, wherein the wallet generation display module is connected with the wallet issuing module and is used for displaying case basic information, wallet address information and two-dimensional code identifications corresponding to the wallet addresses in a visual mode.
Further, after writing the private key into the public security cold wallet hardware device, the ciphertext generating module immediately adopts the modes of sensitive variable iteration assignment, variable name instruction confusion and memory active clearing to clear the mnemonics from the memory.
Further, the decryption process of the disposal transfer call module is to complete the input of three or more sections of ciphertext respectively, perform automatic splicing verification, enter a decryption state according with basic length and data specification, acquire private key data of public security cold wallet hardware equipment, and decrypt the input ciphertext.
Further, the system also comprises a monitoring and checking module, wherein the monitoring and checking module is connected with the withholding and keeping module and the disposal and transfer module and is used for monitoring the wallet address of the sub-wallet withholding the virtual currency related to the case and sending out an early warning notice when funds change occurs in the wallet address which is monitored.
Further, the monitoring and checking module is further used for starting the functions of recording a screen, recording a video and recording a sound when the withholding and keeping module and the handling and transferring module execute withholding operation and handling and transferring operation, and recording the whole-course operation and the faces of operators in the database of the case.
Further, the public security wallet hardware device further comprises a private key recovery module, wherein the private key recovery module is used for storing the fourth public key or the biological characteristic information, and when the ciphertext fragment is lost, the private key recovery module obtains the high-level instruction authority and decrypts the public security wallet hardware device through the high-level instruction authority and the fourth public key or the biological characteristic information.
The invention also provides a method for realizing the public security organ to withhold and store the case-related virtual currency, which comprises the following steps:
(1) Initializing public security cold wallet hardware equipment by an initializing module, inputting case information corresponding to the public security cold wallet hardware equipment, and generating a database corresponding to the case information;
(2) The wallet opening module generates a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generates wallet addresses corresponding to the virtual currency sub-wallets respectively;
(3) The ciphertext generating module generates a pair of public key and private key, performs asymmetric encryption on the root mnemonic word by utilizing the public key, divides the ciphertext into 3-section ciphertext fragments, stores the ciphertext fragments in different storage spaces respectively, and writes the private key into public security cold wallet hardware equipment at one time;
(4) According to the virtual currency sub-wallet generated by the wallet opening module, acquiring the wallet address of the virtual currency sub-wallet corresponding to the time of the buckling, performing the buckling operation, and writing the buckling information into public security cold wallet hardware equipment;
(5) When the processing and transferring of the photoconducted case-related virtual currency are needed, the public security cold wallet hardware equipment is required to be decrypted, and after the decryption is successful, the processing of the photoconducted case-related virtual currency or the inputting of transferring information of the public security cold wallet hardware equipment can be realized;
(6) The wallet address of the sub wallet of the clapped virtual currency is monitored by the system, and when the wallet address generates funds transaction, an early warning notice is sent; when the withholding and storage module and the handling and transferring module execute withholding operation and handling and transferring operation, the functions of screen recording, video recording and sound recording are started, and the whole-course operation and the faces of operators are recorded and recorded in the database of the case.
And (5) the decryption process is specifically that three or more sections of ciphertext are respectively recorded, automatic splicing verification is carried out, the basic length and the data specification are met, the decryption state is entered, the private key data of public security cold wallet hardware equipment are obtained, and the recorded ciphertext is decrypted.
The technical scheme of the application at least comprises the following advantages:
The system and the method for realizing the public security organ to withhold and store the case-related virtual currency can realize the functions of public security cold wallet opening, case handover information registration, case-related virtual currency handling and transferring, wallet fund monitoring and the like, and perform the partitioned ciphertext protection on public security cold wallet hardware equipment, ensure the safety and compliance of operation in the handling and transferring, withhold and storing processes, and meet the requirements of the public security organ for detecting the high-efficiency withhold and safe storage of the case-related virtual currency in the case of the case-related virtual currency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system for implementing public security organ sequestration and storage of case-related virtual currency according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The invention relates to a system for realizing the deduction and storage of a case-related virtual currency by a public security organization, as shown in figure 1, comprising:
The initialization module is used for initializing the public security cold wallet hardware equipment, inputting case information corresponding to the public security cold wallet hardware equipment and generating a database corresponding to the case information; the initialization is to finish the verification of the public security cold wallet hardware equipment and the binding of the system and the public security cold wallet hardware equipment by inputting the unlocking password of the system, ensure the mutual pairing of the system and the public security cold wallet hardware equipment and prevent the system from being copied maliciously and abused;
The wallet issuing module is connected with the initializing module and is used for generating a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generating wallet addresses corresponding to the virtual currency sub-wallets respectively; the virtual currency sub-wallet is a plurality of multi-currency virtual currency sub-wallets corresponding to each blockchain public chain network respectively, so that a special wallet set for project is formed and is used for the withholding and keeping of the project-related virtual currency or digital collection and the like;
the wallet generation display module is connected with the wallet opening module and is used for displaying case basic information, wallet address information and two-dimensional code identifiers corresponding to wallet addresses in a visual mode, and the contents are generally displayed in the form of pdf documents;
The system comprises a ciphertext generating module, a public key generating module and a public security cold wallet hardware device, wherein the ciphertext generating module is used for generating a pair of ultra-high strength public keys and private keys which accord with the national secret SM2 asymmetric algorithm standard, performing asymmetric encryption on a root mnemonic word by using the public keys, dividing the ciphertext into at least 3 sections of ciphertext fragments, respectively storing in different storage spaces, and writing the private keys into the public security cold wallet hardware device at one time; the storage space of the ciphertext fragment refers to different physical spaces or different keeping departments; because the mnemonic cannot stay for too long, the ciphertext generating module immediately adopts the modes of sensitive variable iteration assignment, variable name instruction confusion and memory active clearing to clear the mnemonic from the memory after writing the private key into public security cold wallet hardware equipment;
the withholding and keeping module is connected with the wallet opening module, and the withholding and keeping module obtains wallet addresses of the virtual wallet with the corresponding currency when withholding according to the virtual currency wallet generated by the wallet opening module, carries out withholding operation and writes withholding information into public security cold wallet hardware equipment; the withholding operation is to withhold the virtual currency related to the case to the wallet address of the virtual currency sub-wallet corresponding to the currency generated by the wallet opening module;
The handling and transferring module is used for decrypting the public security cold wallet hardware equipment before handling and transferring the extruded case-related virtual currency and realizing handling of the extruded case-related virtual currency or inputting of transferring information of the public security cold wallet hardware equipment (including materials stored by different departments or equipment transfer conditions in case progress) after the decryption is successful; the decryption process specifically comprises the steps of finishing the input of three or more sections of ciphertext (the input mode of the ciphertext can be manual input or two-dimensional code recognition), performing automatic splicing verification, entering a decryption state according with basic length and data specification, acquiring private key data of public security cold wallet hardware equipment, and decrypting the input ciphertext;
The monitoring and checking module is connected with the withholding and keeping module and the disposal transferring module and is used for monitoring wallet addresses of sub wallets withholding virtual money related to a case, and sending out early warning notification when funds change occurs in the wallet addresses which are monitored; the monitoring and checking module is also used for starting screen recording, video recording and sound recording functions when the withholding and keeping module and the handling and transferring module execute withholding operation and handling and transferring operation, and recording the whole-course operation and the faces of operators and recording the whole-course operation and the faces in the database of the case;
The private key recovery module is used for storing a fourth public key or biological characteristic information, acquiring high-level instruction authority when the ciphertext fragment is lost, and decrypting public security cold wallet hardware equipment through the high-level instruction authority and the fourth public key or biological characteristic information; in this case, the ciphertext generating module may write the fourth public key or biometric information together when writing the ciphertext into the public security cold wallet hardware device; decryption fails when only the fourth public key or biometric information decrypts the public security cold wallet hardware device, but the high level instruction authority is missing.
The invention discloses a method for realizing the sequestration of public security authorities and keeping the virtual currency involved in a case, which is suitable for the sequestration of the virtual currency on a plurality of blockchain public chains such as a bit coin chain, an Ethernet chain, a wave field chain, a coin security intelligent chain and the like, and specifically comprises the following steps:
(1) Initializing public security cold wallet hardware equipment by an initializing module, inputting case information corresponding to the public security cold wallet hardware equipment, and generating a database corresponding to the case information; the initialization is to finish the verification of the public security cold wallet hardware equipment and the binding of the system and the public security cold wallet hardware equipment by inputting the unlocking password of the system, ensure the mutual pairing of the system and the public security cold wallet hardware equipment and prevent the system from being copied maliciously and abused;
(2) The wallet opening module generates a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generates wallet addresses corresponding to the virtual currency sub-wallets respectively; the virtual currency sub-wallet is a plurality of multi-currency virtual currency sub-wallets corresponding to each blockchain public chain network respectively, so that a special wallet set for project is formed and is used for the withholding and keeping of the project-related virtual currency or digital collection and the like; the wallet address information, the case basic information and the two-dimensional code identifier corresponding to the wallet address generated by the wallet opening module are graphically displayed in the form of pdf documents;
(3) The ciphertext generating module generates a pair of ultra-high strength public key and private key which accord with the national cipher SM2 asymmetric algorithm standard, the public key is utilized to carry out asymmetric encryption on the root mnemonic word, the ciphertext is divided into 3 sections of ciphertext fragments, the ciphertext fragments are respectively stored in different storage spaces, and the private key is written into public security cold wallet hardware equipment at one time; the storage space of the ciphertext fragment refers to different physical spaces or different keeping departments or personnel; because the mnemonic cannot stay for too long, the ciphertext generating module immediately adopts the modes of sensitive variable iteration assignment, variable name instruction confusion and memory active clearing to clear the mnemonic from the memory after writing the private key into public security cold wallet hardware equipment;
(4) According to the virtual currency sub-wallet generated by the wallet opening module, acquiring the wallet address of the virtual currency sub-wallet corresponding to the time of the buckling, performing the buckling operation, and writing the buckling information into public security cold wallet hardware equipment; the withholding operation is to withhold the virtual currency related to the case to the wallet address of the virtual currency sub-wallet corresponding to the currency generated by the wallet opening module;
(5) When the process of handling and transferring the extruded case-related virtual currency is needed, decrypting the public security cold wallet hardware equipment, and after the decryption is successful, the process of handling the extruded case-related virtual currency or inputting the transfer information of the public security cold wallet hardware equipment (including the material or equipment transfer condition stored by different departments in the case progress process) can be realized; the decryption process specifically comprises the steps of finishing the input of three or more sections of ciphertext (the input mode of the ciphertext can be manual input or two-dimensional code recognition), performing automatic splicing verification, entering a decryption state according with basic length and data specification, acquiring private key data of public security cold wallet hardware equipment, and decrypting the input ciphertext;
(6) The wallet address of the sub wallet of the clapped virtual currency is monitored by the system, and when the wallet address generates funds transaction, an early warning notice is sent; when the withholding and keeping module and the disposal transferring module execute withholding operation and disposal transferring operation, the functions of screen recording, video recording and sound recording are started, the whole-course operation and the faces of operators are recorded and recorded in a database of the case;
(7) If the ciphertext fragment is lost, the private key retrieving module acquires the high-level instruction authority, and decrypts the public security cold wallet hardware equipment through the high-level instruction authority and the fourth public key or the biological characteristic information; in this case, the ciphertext generating module may write the fourth public key or biometric information together when writing the ciphertext into the public security cold wallet hardware device; decryption fails when only the fourth public key or biometric information decrypts the public security cold wallet hardware device, but the high level instruction authority is missing.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.

Claims (7)

1. A system for implementing public security organ withholding and keeping case related virtual currency, the system comprising:
The initialization module is used for initializing the public security cold wallet hardware equipment, inputting case information corresponding to the public security cold wallet hardware equipment and generating a database corresponding to the case information;
The wallet issuing module is connected with the initializing module and is used for generating a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generating wallet addresses corresponding to the virtual currency sub-wallets respectively;
the ciphertext generating module is used for generating a pair of public keys and private keys, performing asymmetric encryption on the root mnemonics by utilizing the public keys, dividing the ciphertext into at least 3 ciphertext fragments, respectively keeping the ciphertext fragments, and writing the private keys into public security cold wallet hardware equipment at one time;
The withholding and keeping module is connected with the wallet opening module, and the withholding and keeping module obtains wallet addresses of the virtual wallet with the corresponding currency when withholding according to the virtual currency wallet generated by the wallet opening module, carries out withholding operation and writes withholding information into public security cold wallet hardware equipment;
The handling and transferring module is used for decrypting the public security cold wallet hardware equipment before handling and transferring the extruded case-related virtual currency and realizing handling of the extruded case-related virtual currency or inputting of transferring information of the public security cold wallet hardware equipment after the decryption is successful;
after writing the private key into public security cold wallet hardware equipment, the ciphertext generating module immediately adopts the modes of sensitive variable iteration assignment, variable name instruction confusion and memory active clearing to clear the mnemonics from the memory;
the decryption process of the disposal transfer module is that at least three sections of ciphertext are respectively input, automatic splicing verification is carried out, the basic length and the data specification are met, the decryption state is entered, the private key data of public security cold wallet hardware equipment are obtained, and the input ciphertext is decrypted.
2. The system for realizing the public security organ to withhold and store the case-related virtual currency according to claim 1, wherein the initialization is to finish the verification of the public security cold wallet hardware equipment and the binding of the system and the public security cold wallet hardware equipment by inputting the unlocking password of the system, so that the system and the public security cold wallet hardware equipment are mutually paired.
3. The system for realizing the public security organ to withhold and store the case-related virtual currency according to claim 1, further comprising a wallet generation display module, wherein the wallet generation display module is connected with the wallet issuing module and is used for displaying case basic information, wallet address information and two-dimensional code identifiers corresponding to wallet addresses in a visual mode.
4. The system for realizing the sequestration and storage of the case-related virtual currency by the public security organization according to claim 1, further comprising a monitoring and checking module, wherein the monitoring and checking module is connected with the sequestration and storage module and the disposal and transfer module and is used for monitoring the wallet address of the sub-wallet for the sequestration of the case-related virtual currency and sending out an early warning notice when the funds of the wallet address monitored are different.
5. The system for realizing the public security organ to withhold and store the case-related virtual currency according to claim 4, wherein the monitoring and checking module is further used for starting the functions of screen recording, video recording and sound recording when the withhold and the treatment and transfer module execute the withhold operation and the treatment and transfer operation, and recording the whole-course operation and the faces of operators and recording in the database of the case.
6. The system for realizing the public security organization to withhold and store the case-related virtual currency according to claim 1, further comprising a private key recovery module, wherein the private key recovery module is used for storing a fourth public key or biological characteristic information, and when the ciphertext fragment is lost, the private key recovery module obtains high-level instruction authority and decrypts public security cold wallet hardware equipment through the high-level instruction authority and the fourth public key or biological characteristic information.
7. The method for realizing the public security organ to withhold and store the case-related virtual currency is characterized by comprising the following steps:
(1) Initializing public security cold wallet hardware equipment by an initializing module, inputting case information corresponding to the public security cold wallet hardware equipment, and generating a database corresponding to the case information;
(2) The wallet opening module generates a plurality of virtual currency sub-wallets with multiple currencies according to the case information input by initializing, and generates wallet addresses corresponding to the virtual currency sub-wallets respectively;
(3) The ciphertext generating module generates a pair of public key and private key, performs asymmetric encryption on the root mnemonic word by utilizing the public key, divides the ciphertext into 3-section ciphertext fragments, stores the ciphertext fragments in different storage spaces respectively, and writes the private key into public security cold wallet hardware equipment at one time; after writing the private key into public security cold wallet hardware equipment, the ciphertext generating module immediately adopts the modes of sensitive variable iteration assignment, variable name instruction confusion and memory active clearing to clear the mnemonics from the memory;
(4) According to the virtual currency sub-wallet generated by the wallet opening module, acquiring the wallet address of the virtual currency sub-wallet corresponding to the time of the buckling, performing the buckling operation, and writing the buckling information into public security cold wallet hardware equipment;
(5) When the processing and transferring of the photoconducted case-related virtual currency are needed, the public security cold wallet hardware equipment is required to be decrypted, and after the decryption is successful, the processing of the photoconducted case-related virtual currency or the inputting of transferring information of the public security cold wallet hardware equipment can be realized; the decryption process comprises the steps of completing the input of three sections of ciphertext respectively, performing automatic splicing verification, entering a decryption state according with basic length and data specification, obtaining private key data of public security cold wallet hardware equipment, and decrypting the input ciphertext;
(6) The wallet address of the sub wallet of the clapped virtual currency is monitored by the system, and when the wallet address generates funds transaction, an early warning notice is sent; when the withholding and storage module and the handling and transferring module execute withholding operation and handling and transferring operation, the functions of screen recording, video recording and sound recording are started, and the whole-course operation and the faces of operators are recorded and recorded in the database of the case.
CN202310818548.6A 2023-07-05 System and method for realizing public security organ to give and store case-related virtual currency Active CN116739587B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310818548.6A CN116739587B (en) 2023-07-05 System and method for realizing public security organ to give and store case-related virtual currency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310818548.6A CN116739587B (en) 2023-07-05 System and method for realizing public security organ to give and store case-related virtual currency

Publications (2)

Publication Number Publication Date
CN116739587A CN116739587A (en) 2023-09-12
CN116739587B true CN116739587B (en) 2024-06-04

Family

ID=

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102999837A (en) * 2012-12-03 2013-03-27 中国民生银行股份有限公司 Electronic money transaction processing method and mobile banking server
CN106510133A (en) * 2016-11-04 2017-03-22 深圳市校联宝科技有限公司 Currency storing method and device and terminal
CN106548401A (en) * 2016-11-04 2017-03-29 深圳市校联宝科技有限公司 A kind of currency storage method and system
CN106779636A (en) * 2016-11-29 2017-05-31 北京乐酷达网络科技有限公司 A kind of block chain digital cash wallet based on earphone interface of mobile phone
CN109003059A (en) * 2018-06-29 2018-12-14 北京金山安全软件有限公司 Management method and device of digital currency wallet, electronic equipment and storage medium
CN110084593A (en) * 2019-02-03 2019-08-02 杭州复杂美科技有限公司 Stablize token exchanging method, method of commerce, equipment and storage medium
CN110544090A (en) * 2019-09-06 2019-12-06 东信和平科技股份有限公司 Digital currency hard wallet application implementation method, SIM card and system
CN113763158A (en) * 2020-06-04 2021-12-07 上海融宽网络科技有限公司 Virtual asset hosting and payment system and method based on block chain bottom layer
CN113837860A (en) * 2021-09-03 2021-12-24 苏州当至创网络科技有限公司 Financial institution loan management system based on block chain
CN115242420A (en) * 2022-02-22 2022-10-25 北京工业大学 Block chain contribution certification consensus method and system based on intelligent contracts

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102999837A (en) * 2012-12-03 2013-03-27 中国民生银行股份有限公司 Electronic money transaction processing method and mobile banking server
CN106510133A (en) * 2016-11-04 2017-03-22 深圳市校联宝科技有限公司 Currency storing method and device and terminal
CN106548401A (en) * 2016-11-04 2017-03-29 深圳市校联宝科技有限公司 A kind of currency storage method and system
CN106779636A (en) * 2016-11-29 2017-05-31 北京乐酷达网络科技有限公司 A kind of block chain digital cash wallet based on earphone interface of mobile phone
CN109003059A (en) * 2018-06-29 2018-12-14 北京金山安全软件有限公司 Management method and device of digital currency wallet, electronic equipment and storage medium
CN110084593A (en) * 2019-02-03 2019-08-02 杭州复杂美科技有限公司 Stablize token exchanging method, method of commerce, equipment and storage medium
CN110544090A (en) * 2019-09-06 2019-12-06 东信和平科技股份有限公司 Digital currency hard wallet application implementation method, SIM card and system
CN113763158A (en) * 2020-06-04 2021-12-07 上海融宽网络科技有限公司 Virtual asset hosting and payment system and method based on block chain bottom layer
CN113837860A (en) * 2021-09-03 2021-12-24 苏州当至创网络科技有限公司 Financial institution loan management system based on block chain
CN115242420A (en) * 2022-02-22 2022-10-25 北京工业大学 Block chain contribution certification consensus method and system based on intelligent contracts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"电子数据取证工作中虚拟货币的调查分析与思路探讨";霍丽霞等;《中国安防》;第77-82页 *

Similar Documents

Publication Publication Date Title
US4223403A (en) Cryptographic architecture for use with a high security personal identification system
KR100768754B1 (en) Portable electronic charge and authorization devices and methods therefor
CN101334915B (en) Biometric authentication apparatus, terminal device and automatic transaction machine
CN103348357B (en) Sensitive data processing means and method
CN101562040B (en) Data processing method of high-security mobile memory
JPH0315786B2 (en)
CN103345601A (en) Identity recording and verification system based on radio frequency
EP1976222A2 (en) Low cost RFID tag security and privacy method
US20110072279A1 (en) Device and method for securely storing data
CN104464048B (en) A kind of electronic password lock method for unlocking and device
US20090287937A1 (en) Identity verification
CN109660359A (en) Generate the method, equipment and the method for generating the credible address of HD wallet of HD wallet business card
CN110322600A (en) The control method and electronic lock of electronic lock
CN106100854A (en) The reverse authentication method of terminal unit based on authority's main body and system
JP2002024914A (en) Transaction device using information storage card
Chowdhury et al. A comprehensive survey for detection and prevention of SQL injection
CN102568097B (en) Method and system for improving safety of electronic wallets
CN116739587B (en) System and method for realizing public security organ to give and store case-related virtual currency
CN113595714A (en) Contactless card with multiple rotating security keys
CN116739587A (en) System and method for realizing public security organ to give and store case-related virtual currency
CN101099207A (en) Portable data support with watermark function
CN105354462A (en) Protection method for mobile memory and mobile memory
JP2003271908A (en) Check code generation method and check code generation device
CN116631128B (en) Automatic teller machine with encryption function and teller method
CN111680329B (en) Data processing method for improving data security

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant