CN110135964A - A kind of financial accounting method based on block chain technology - Google Patents
A kind of financial accounting method based on block chain technology Download PDFInfo
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- CN110135964A CN110135964A CN201910421004.XA CN201910421004A CN110135964A CN 110135964 A CN110135964 A CN 110135964A CN 201910421004 A CN201910421004 A CN 201910421004A CN 110135964 A CN110135964 A CN 110135964A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims abstract description 32
- 238000012550 audit Methods 0.000 claims description 8
- 238000012790 confirmation Methods 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/12—Accounting
- G06Q40/125—Finance or payroll
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
Abstract
The invention discloses a kind of financial accounting methods based on block chain technology, belong to the technical field of application of the block chain in financial system framework.Financial accounting method based on block chain technology of the invention, by accounting item address, is applied to UTXO in debit credit bookkeeping by asymmetric encryption system, in conjunction with block chain technology, by financial system decentralization.The financial accounting method based on block chain technology of the invention can be realized the decentralization of financial accounting, save information construction cost, improve financial data safety, have good application value.
Description
Technical field
The present invention relates to block chains in the technical field of the application of financial system framework, specifically provides a kind of based on block chain
The financial accounting method of technology.
Background technique
In financial accounting field, the consolidated storage that traditional accounting system will be concentrated based on one, all generation business
Data will be recorded centrally in the same library by tissue, for large-scale group, then need to put into higher cost construction
Information centre, and data concentrate on a center and are easy to be tampered.In fact the generation of every business is all specific at one
Tissue, only it should be understood that information relevant to business for a tissue, information without knowing entire consolidated storage,
Distribution book keeping operation is a more reasonably selection.
Block chain technology is the technology of bit coin behind, maximum feature be can decentralization, such as to bit coin
For the Transaction Information of bit coin is safeguarded there is no information centre, and transaction record is difficult to be tampered with high peace
Quan Xing.
Summary of the invention
Technical assignment of the invention be in view of the above problems, provide it is a kind of can be realized financial accounting go to center
Change, save information construction cost, improves the financial accounting method based on block chain technology of financial data safety.
To achieve the above object, the present invention provides the following technical scheme that
A kind of financial accounting method based on block chain technology, by asymmetric encryption system by accounting item address,
It is applied to UTXO in debit credit bookkeeping, in conjunction with block chain technology, by financial system decentralization.
UTXO, that is, UnspentTransaction Output, for the transaction output that do not consume.
The financial accounting method based on block chain technology is designed using decentralization, is exported using the transaction that do not consume
The book keeping operation thought design of (abbreviation UTXO under Unspent Transaction Output) realizes the debit credit bookkeeping based on UTXO
Method, and block chain encryption technology is combined, so that whole controls of each oneself existing account of accounting unit for accessing the network,
It is able to access that the account book of complete or collected works group again, keeps every notes account all safe, can be traced.The design can by financial system decentralization,
Any accounting body can be accessed freely, while can guarantee the relatively reliable safety of financial system, more easily be extended.
Preferably, this method specifically includes the following steps:
S1, the distribution of accounting unit's code key: the accounting unit of each access network call packaged Secp256k1 and
ECDSA algorithm generates a pair of of private key and public key.
S2, accounting item address: after accounting unit gets code key, to can remember popular tourism carry out address.
S3, UTXO book keeping operation.
The database kept accounts using UXTO scheme, the variation of the not instead of accounting item remaining sum of record, debt-credit itself.It presses
According to the debit-credit bookkeeping of financial accounting, each account is all to have to borrow to have loan debt-credit must be equal.In the concept of UXTO most original,
Transaction must have funds source to be referred to as input of trading, and must also have the whereabouts of fund to be known as output of trading, every business will be spent
Input generates output, and record as one is referred to as " the transaction output not spent " i.e. UTXO, in original UTXO concept
Transaction input must be equal to transaction output.Debit-credit bookkeeping based on UTXO replaces the concept of transaction output input with debt-credit, " does not spend
The transaction of expense exports " develop into " amount of money that do not lend ", debit's subject is equivalent to transaction input, and it is defeated that credit account is equivalent to transaction
Out, main feature is as follows:
1), in addition to the first stroke book keeping operation of accounting item related after online implementing, the source of all debits is all the one of front
Subject address in a or several UTXO；
2), accountant's department's destination address must be generated by the public key for initiating the accounting unit of book keeping operation；
3), the subject of debtor and creditor must be several accounting item addresses；
4), it is any one notes account do not borrow the amount of money be equal to credit account amount incurred add debit's subject balance；
5) it, is signed after the completion of every book keeping operation with abstract of the private key to accounting information, and public key is placed on head, in net
It carries out broadcasting etc. in network pending.Book keeping operation application in a period of time forms a block, and block is filled up by the node in network
The abstract of signature is decrypted by the public key of every transaction, whether verifying abstract is consistent with the abstract of current transaction record,
Whether verification public key matches with subject address, it is ensured that book keeping operation is not tampered with.
S4, block audit: each accounting unit carries out the independent audit of block, and the accounting records verified in a block are
It is no legal.
Each block has a block header information, includes to generate the time in head, the cryptographic Hash of previous block,
The cryptographic Hash of real data in block, the depth of block.
The node broadcasts block information completed is audited, is verified and recognized validity after being received by network others node,
Continue to calculate if node bifurcated, the block chain for reaching six depth at first is recognized.
S5, block chain report: inquiry account book, count each accounting item does not borrow the amount of money, calculates accounting item remaining sum, shape
At report.
Preferably, there be a pair of public key and private key generated by elliptic curve in each accounting unit in step S1,
Accounting unit is attached to public key in accounting records when keeping accounts, and makes a summary to accounting information, is carried out with private key to abstract result
Signature.
Elliptic curve encryption algorithm is a kind of rivest, shamir, adelman, rivest, shamir, adelman feature private key encryption
Information can use public key decryptions, but cannot deduce private key from public key.
Preferably, when verifying, is decrypted signature with public key after being signed using private key to abstract result, if solution
Abstract after close is identical as the abstract of accounting information, then accounting information is not tampered with.
Preferably, being made a summary to accounting information using SHA256 algorithm.
SHA256 algorithm is the signature algorithm of mainstream, has high safety, is difficult to be cracked.
Preferably, after accounting unit gets key, traversing each accounting item in step S2, subject is uniquely marked
Knowledge is extracted as symbolization of accounts, and the public key of accounting unit is first made a summary with SHA256, reuses the calculation of RIPEMD160 Hash
Method forms 160 digital bits, switchs to the ASCII of regular length finally by Base58Check coding, finally and symbolization of accounts
Form subject address.
Preferably, verifying accounting item address, verification book keeping operation permission, the book keeping operation quilt of confirmation when step S4 block is audited
It is added into the block of accounting unit's record, the block being broadcasted at first is recognized by other accounting units, when block chain growth
Length, which reaches the final confirmation of six book keeping operations, to be modified.
Preferably, the book keeping operation of confirmation is added into the block of accounting unit's record, to block and a upper block head
The cryptographic Hash in portion carries out SHA256 abstract operation, will make a summary operation as this cryptographic Hash kept accounts and be put into head, the area Shang Yige
The address of block is also placed in head, forms block chain.
Preferably, the block being broadcasted at first is recognized by other accounting units, other nodes are received after block information more
New account book information no longer verifies if the book keeping operation verified is existing within a block.
Compared with prior art, the financial accounting method of the invention based on block chain technology has following prominent beneficial
Effect: the financial accounting method based on block chain technology is realized using the book keeping operation thought design for the transaction output that do not consume
Debit-credit bookkeeping based on UTXO, and block chain encryption technology is combined, so that each accounting unit for accessing the network is existing certainly
Whole controls of own account, and it is able to access that the account book of complete or collected works group, keep every notes account all safe, can be traced.The design can be with
By financial system decentralization, any accounting body can be accessed freely, while can guarantee the relatively reliable peace of financial system
Entirely, it more easily extends.It can be realized the decentralization of financial accounting, save information construction cost, improve financial data safety
Property, there is good application value.
Detailed description of the invention
Fig. 1 is the flow chart of the financial accounting method of the present invention based on block chain technology；
Fig. 2 is the schematic diagram of the specific embodiment of the financial accounting method of the present invention based on block chain technology.
Specific embodiment
Below in conjunction with drawings and examples, the financial accounting method of the invention based on block chain technology is made further
It is described in detail.
Embodiment
As shown in Figure 1, the financial accounting method of the invention based on block chain technology, it will by asymmetric encryption system
Subject address is counted, is applied to UTXO in debit credit bookkeeping, in conjunction with block chain technology, by financial system decentralization.
This method specifically includes the following steps:
S1, the distribution of accounting unit's code key: the accounting unit of each access network call packaged Secp256k1 and
ECDSA algorithm generates a pair of of private key and public key.
There is a pair of public key and private key generated by elliptic curve in each accounting unit, public when accounting unit keeps accounts
Key is attached in accounting records, and is made a summary to accounting information using SHA256 algorithm, is signed with private key to abstract result.
After being signed using private key to abstract result, when verifying, is decrypted signature with public key, if abstract and book keeping operation after decryption
The abstract of information is identical, then accounting information is not tampered with, and otherwise illustrates that accounting information is tampered, this time book keeping operation is invalid.
S2, accounting item address: after accounting unit gets code key, to can remember popular tourism carry out address.
After accounting unit gets code key, program can carry out address to a set of accounting item system, and specific process is
Each subject in accounting system is traversed, subject unique identification is extracted as symbolization of accounts, the public key of accounting unit is first used
SHA256 makes a summary, and reuses RIPEMD160 hash algorithm and forms 160 digital bits, compiles finally by Base58Check
Code switchs to the ASCII of regular length, finally forms subject address with symbolization of accounts.
S3, UTXO book keeping operation.
The book keeping operation thinking of UTXO from the fund book keeping operation method not spent between simple account, is extended to accounting by the present invention
Debtor-creditor relationship between subject is exactly the account being considered as accounting item in bit coin in simple terms.
UTXO book keeping operation is realized:
1) storage organization of UTXO book keeping operation table is as shown in the table:
2) book keeping operation implementation process:
A, private-public key is passed to as parameter, constructs the accounting object of accounting unit.
B, when business occurs, financial staff fills in bookkeeping voucher, program is extracted from bookkeeping voucher debt-credit subject with
Parameter of the amount incurred as UTXO book keeping operation function in book keeping operation class.
C, it is borrowed according to step S2 formation, the subject address of credit account.
D, the UTXO that book keeping operation all debit's subjects of functional query are not lent is recorded, and what the amount of money in these records indicated is not
By means of the amount of money (not being subject balance), as debit source.
E, the information obtained according to B, C, D generates one and does not lend UTXO book keeping operation.UTXO book keeping operation table will generate several
Identical record is numbered in book keeping operation, these records are exactly a new UTXO, it includes: the note that an address is credit account address
Record, the amount of money are credit amount (not borrowing the amount of money namely).One address is the record of debit's subject address, and the amount of money is more than debit
Volume source subtracts the value after credit amount.At this time since the UTXO in D has been lent, it is impossible to lend.It is newly generated
This UTXO subsequent can be lent, and concrete example is shown in Fig. 2.
50000 raw materials are bought to supplier, payment for goods is temporarily owed.10000 raw material are got again for producing, finally by bank
Deposit first pays 40000 yuan of supplier.
Should first it remember according to debit credit bookkeeping:
Borrow: raw material --- 50000.
Borrow: accounts payable --- 50000.
Remember again:
Borrow: production cost --- 10000.
Borrow: raw material --- 10000.
Assuming that raw material subject value is 0 when accounting period is initial, production cost subject has 5000, UTXO accounting procedure as follows
Shown in figure:
Most postscript:
Borrow: accounts payable --- 40000.
Borrow: cash in banks --- 40000.
In the figure, because production cost belongs to assets, subject value increases when debit occurs, so production cost subject is positive
When initial non-debit negative.
When the first stroke business occurs, raw material are borrowed, borrow accounts payable, so accounts payable does not borrow the amount of money to increase by 50000, original
Remaining to be transferred to again is not borrowed after material debit occurs, and the raw material address become in 50000, UTXO 0001 from 0 is complete
Portion was lent, if next raw material when debit occurs again, subject source just can only be from UTXO 0002 and UTXO 0003
In take, then UTXO0002 and UTXO0003 also all lending re-form a new UTXO.
When this process is covered, when needing to calculate each subject balance, needs to count all and do not lend the amount of money.
Such as count raw material, do not borrow the amount of money have in 0002-50000 and 0003 in 10000, the two is added-
40000, because raw material belong to assets, debit increases when occurring, so the remaining sum of raw material is 40000；Accounts payable is counted,
Not borrowing only 0004 is 10000, because belonging to debt, subject balance is reduced when debit occurs, so final accounts payable is remaining
Volume is 10000.
F, whether legal according to financial rule verifying book keeping operation.
G, after step F passes through, the information in UTXO is spliced into character string, is made a summary to it shape using SHA256 digest algorithm
It makes a summary at one and carries out ciphering signature with private key, signing messages and public key are formed into head.
H, head and UTXO accounting information are combined into complete accounting records, are broadcast to network and wait book keeping operation confirmation.
S4, block audit: each accounting unit carries out the independent audit of block, and the accounting records verified in a block are
It is no legal.
Each accounting unit in network can be carried out the independent audit of block, verify the accounting records in a block
Whether legal, detailed process is as follows:
1) verify subject address: neighbor node receives the broadcast of a complete accounting records, the head walked according to g in 3
Information reads public key, calculates public key address using 2 algorithm, audits the section for removing symbolization of accounts in this address and record
Whether mesh address matches, if matching illustrates that subject address is legal.
2) verification book keeping operation permission: if (1) passes through, private key signature is obtained according to the header information that G in 3 is walked, uses public key signature
Decryption makes a summary to UTXO accounting information using SHA256 digest algorithm, and whether comparison decrypted result and abstract are consistent, if one
Cause illustrates that accounting information is legal.If verification is legal, explanation is an effective book keeping operation, is continued in Internet communication, if it is illegal not
It broadcasts again.
3) book keeping operation confirmed will be added into the block of this nodes records, to the Kazakhstan of block and a upper block head
Uncommon value carries out SHA256 abstract operation, will make a summary operation as this cryptographic Hash kept accounts and be put into head, the ground of a upper block
Location is also placed in head, forms block chain.
4) block being broadcasted at first is recognized that other nodes update account book information after receiving block information by other nodes,
If the book keeping operation verified has existed within a block, no longer verify.
5) it can not be modified when the length of block chain growth reaches the final confirmation of six book keeping operations.
S5, block chain report: inquiry account book, count each accounting item does not borrow the amount of money, calculates accounting item remaining sum, shape
At report.
Embodiment described above, the only present invention more preferably specific embodiment, those skilled in the art is at this
The usual variations and alternatives carried out within the scope of inventive technique scheme should be all included within the scope of the present invention.
Claims (9)
1. a kind of financial accounting method based on block chain technology, it is characterised in that: by asymmetric encryption system by accountant's department
Mesh address, is applied to UTXO in debit credit bookkeeping, in conjunction with block chain technology, by financial system decentralization.
2. the financial accounting method according to claim 1 based on block chain technology, it is characterised in that: this method is specifically wrapped
Include following steps:
S1, the distribution of accounting unit's code key: the accounting unit of each access network calls packaged Secp256k1 and ECDSA to calculate
Method generates a pair of of private key and public key；
S2, accounting item address: after accounting unit gets code key, to can remember popular tourism carry out address；
S3, UTXO book keeping operation；
S4, block audit: each accounting unit carries out the independent audit of block, verifies whether the accounting records in a block close
Method；
S5, block chain report: inquiry account book, count each accounting item does not borrow the amount of money, calculates accounting item remaining sum, forms report
Table.
3. the financial accounting method according to claim 2 based on block chain technology, it is characterised in that: in step S1, often
There is a pair of public key and private key generated by elliptic curve in a accounting unit, and public key is attached to book keeping operation when accounting unit keeps accounts
It in record, and makes a summary to accounting information, is signed with private key to abstract result.
4. the financial accounting method according to claim 3 based on block chain technology, it is characterised in that: using private key to plucking
After wanting result to be signed, when verifying, is decrypted signature with public key, if the abstract phase of abstract and accounting information after decryption
Together, then accounting information is not tampered with.
5. the financial accounting method according to claim 4 based on block chain technology, it is characterised in that: adopted to accounting information
It is made a summary with SHA256 algorithm.
6. the financial accounting method according to claim 5 based on block chain technology, it is characterised in that: in step S2, core
After calculation unit gets key, each accounting item is traversed, subject unique identification is extracted as symbolization of accounts, is calculated single
The public key of position is first made a summary with SHA256, is reused RIPEMD160 hash algorithm and is formed 160 digital bits, finally by
Base58Check encodes the ASCII for switching to regular length, finally forms subject address with symbolization of accounts.
7. the financial accounting method according to claim 6 based on block chain technology, it is characterised in that: step S4 block is examined
When core, accounting item address, verification book keeping operation permission are verified, the book keeping operation of confirmation is added into the block of accounting unit's record, most
The block being first broadcasted is recognized by other accounting units, can not repair when the length of block chain growth reaches the final confirmation of six book keeping operations
Change.
8. the financial accounting method according to claim 7 based on block chain technology, it is characterised in that: the book keeping operation quilt of confirmation
It is added into the block of accounting unit's record, SHA256 abstract operation is carried out to the cryptographic Hash of block and a upper block head,
It is put into head using abstract operation as this cryptographic Hash kept accounts, the address of a upper block is also placed in head, forms block chain.
9. the financial accounting method according to claim 8 based on block chain technology, it is characterised in that: be broadcasted at first
Block is recognized that other nodes update account book information after receiving block information, if the book keeping operation verified exists by other accounting units
It is existing in block, then it no longer verifies.
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| CN111784489A (en) * | 2020-06-28 | 2020-10-16 | 广东金宇恒软件科技有限公司 | Financial accounting management system based on big data |
| CN111783152A (en) * | 2020-07-03 | 2020-10-16 | 中国工商银行股份有限公司 | Decision tree-based accounting anti-tampering abstract generation method and system |
| CN111783152B (en) * | 2020-07-03 | 2023-08-25 | 中国工商银行股份有限公司 | Method and system for generating tamper-proof abstract of accounting based on decision tree |
| CN112270593A (en) * | 2020-11-09 | 2021-01-26 | 武汉蝌蚪信息技术有限公司 | Business account multi-person shared account public display system based on decentralized account technology |
| CN112651713A (en) * | 2020-12-24 | 2021-04-13 | 傲普(上海)新能源有限公司 | Energy statistical report sharing method based on block chain |
| CN116308841A (en) * | 2023-01-30 | 2023-06-23 | 成都红云鼎科技有限公司 | Financial supervision method based on RPA and blockchain |
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