CN110489413A - A kind of storage of transaction record, querying method and system, equipment and storage medium - Google Patents
A kind of storage of transaction record, querying method and system, equipment and storage medium Download PDFInfo
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- CN110489413A CN110489413A CN201910633154.7A CN201910633154A CN110489413A CN 110489413 A CN110489413 A CN 110489413A CN 201910633154 A CN201910633154 A CN 201910633154A CN 110489413 A CN110489413 A CN 110489413A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
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Abstract
The invention discloses a kind of storage of transaction record, querying method and system, equipment and storage mediums, belong to block chain technical field.Obtain transaction address in trading in block, exchange block height, the index traded within a block, transaction record content, storage is in the local database.Sky is returned if do not inquired according to transaction record content corresponding with transaction address in transaction address inquiry local data base；If inquired, the corresponding transaction record of the transaction address and its content are returned.When account address is imported in wallet for existing scheme and opening Rescan function acquisition historical trading, very time-consuming, not friendly enough, the technical problem of customer experience difference；The present invention no longer needs to obtain historical trading by traversing all blocks, it is only necessary to whether have corresponding record by account address lookup database, greatly improve the efficiency of inquiry account historical Transaction Information.
Description
Technical field
The present invention relates to block chain technical field more particularly to a kind of storages of transaction record, querying method and system, equipment
And storage medium.
Background technique
Block chain wallet module monitors the add/del (adding or deleting operation) of block at present, filters and pays the bill from block
The All Activity of packet account address is simultaneously saved in wallet database, the convenient historical trading that account is inquired by wallet.Work as handle
When account account-C imported into B wallet from A wallet, B wallet only can begin listening for filtering account from oneself current block height
The transaction of family account-C.If necessary to which the historical trading of account account-C is imported into B wallet, it is necessary to open
The scanning function of Rescan.The function of Rescan is that block height 0 begins stepping through institute from the database of block chain node local
There is the All Activity of block, the transaction for filtering out account account-C comes and is saved in wallet.When node save block very
This traversal can be time-consuming when more, even if the account imported, there is no crossing to trade, Rescan can also be traversed from 0 block height
All Activity, this is the time-consuming processing being not necessarily to；Therefore existing scheme imports account address in wallet and opens Rescan
Very time-consuming when function obtains historical trading, not friendly enough, customer experience is poor.
Summary of the invention
1. technical problems to be solved by the inivention
In order to overcome the above technical problems, the present invention provides a kind of storage of transaction record, querying method and systems, equipment
And storage medium, it is no longer necessary to obtain historical trading by traversing all blocks, it is only necessary to pass through account address lookup data
Whether library has corresponding record, greatly improves the efficiency of inquiry account historical Transaction Information.
2. technical solution
To solve the above problems, technical solution provided by the invention are as follows:
In a first aspect, the invention proposes a kind of transaction record storage methods, comprising: obtain transaction in trading in block
Address, exchange block height, the index traded within a block, transaction record content, storage in the local database.
Further improving is, the transaction address includes that transaction sends address and transaction acceptance address.
Further improving is, according to the sequence parsing transaction traded in block, transaction ground is obtained in trading in block
Location, exchange block height, the index traded within a block, transaction record content is stored in the local of block chain node
In database.
Second aspect, the invention proposes a kind of transaction record querying methods, comprising: inquires block chain according to transaction address
Transaction record content corresponding with transaction address returns to sky if do not inquired in the local data base of node；If looked into
It askes, then returns to the corresponding transaction record of the transaction address and its content；Wherein, it is deposited in the local data base of block chain node
Contain the transaction address that obtains in trading in block, exchange block height, the index traded within a block, transaction note
Record content.
Further improving is, receives the transaction record inquiry request for the transaction address that wallet module is sent, query result
Back to wallet module.
The third aspect, the invention proposes a kind of storage of transaction record and inquiry systems, comprising:
Transaction record parsing module, for obtaining transaction address in trading in block, exchange block height, hand over
Index easily within a block, transaction record content；Transaction record memory module is obtained for store transaction record parsing module
Transaction address, exchange block height, the index traded within a block, transaction record content；Transaction record enquiry module,
Transaction record content corresponding with transaction address in transaction record memory module is inquired according to transaction address, and query result is returned
Return to wallet module.
Further improving is, the transaction address includes that transaction sends address and transaction acceptance address.
Further improving is that transaction record memory module is located locally in database.
Fourth aspect, the invention proposes a kind of equipment, the equipment includes: one or more processors；Memory is used
In storing one or more programs, when one or more of programs are executed by one or more of processors, so that institute
It states one or more processors and executes method as described above.
5th aspect, the invention proposes a kind of storage medium for being stored with computer program, which is held by processor
The method as described in any of the above item is realized when row.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
The present invention provides a kind of storage mode based on trading account address store transaction information, greatly improves inquiry
The efficiency of account historical Transaction Information；After wallet imports an account address, it is no longer necessary to be obtained by traversing all blocks
Historical trading, it is only necessary to whether have corresponding record by account address lookup database.
Detailed description of the invention
Fig. 1 is a kind of flow chart for transaction record storage method that the embodiment of the present invention 1 provides.
Fig. 2 is a kind of flow chart for transaction record querying method that the embodiment of the present invention 2 provides.
Fig. 3 is a kind of flow chart for transaction record querying method that mono- preferred embodiment of Fig. 2 provides.
Fig. 4 is the structural schematic diagram of a kind of transaction record storage and inquiry system that the embodiment of the present invention 3 provides.
Fig. 5 is a kind of flow chart for transaction record storage method that the embodiment of the present invention 5 provides.
Fig. 6 is the structural schematic diagram of a kind of transaction record storage and inquiry system that the embodiment of the present invention 5 provides.
Fig. 7 is a kind of flow chart for transaction record querying method that the embodiment of the present invention 5 provides.
Fig. 8 is a kind of device structure schematic diagram of the invention.
Specific embodiment
To further appreciate that the contents of the present invention, in conjunction with accompanying drawings and embodiments, the present invention is described in detail.
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
Heretofore described first, second equal words are convenient and be arranged in order to describe technical solution of the present invention, and
There is no specific restriction effect, be to refer to, restriction effect is not constituted to technical solution of the present invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1
The present embodiment proposes a kind of transaction record storage method, is suitable for block chain node, as shown in Figure 1, comprising:
S101, obtain transaction address in trading in block, exchange block height, the rope traded within a block
Draw, transaction record content；
S103, by transaction address, exchange block height, the index traded within a block stores in transaction record
Storage is in the local data base of block chain node.
Further, index within a block of trading refers to the number of transaction within a block；The transaction address includes handing over
Address and transaction acceptance address are easily sent, according to the sequence parsing transaction traded in block, transaction is obtained in trading in block
Address, exchange block height, the index traded within a block, transaction record content is stored in the sheet of block chain node
In ground database.
Embodiment 2
The present embodiment proposes a kind of transaction record querying method, is suitable for block chain node, as shown in Figure 2, comprising:
S201, transaction record content corresponding with transaction address in local data base is inquired according to transaction address；
S203, whether inquire, if do not inquired, return to sky；If inquired, the transaction address is returned
Corresponding transaction record and its content；
Wherein, the transaction address obtained in trading in block, transaction are stored in the local data base of block chain node
The block height at place, the index traded within a block, transaction record content.
As shown in figure 3, block chain node receives the transaction note for the transaction address that wallet module is sent before step S201
Inquiry request is recorded, after step S203, query result returns to wallet module.
Embodiment 3
A kind of transaction record of the present embodiment stores and inquiry system, as shown in Figure 4, comprising:
Transaction record parsing module, for obtaining transaction address in trading in block, exchange block height, hand over
Index easily within a block, transaction record content；
Transaction record memory module, for store transaction record parsing module obtain transaction address, exchange area
Block height, the index traded within a block, transaction record content；
Transaction record enquiry module inquires transaction record corresponding with transaction address in local data base according to transaction address
Content, and query result is returned into wallet module.
Wherein, the transaction address includes that transaction sends address and transaction acceptance address；Transaction record memory module is located at
In local data base.
Embodiment 4
Similar with embodiment 1-3, the present embodiment proposes the method and system of a kind of transaction record storage and inquiry, parses area
Transmission or reception account address in block transaction, store corresponding Transaction Information by account address, conveniently by account
Corresponding historical transactional information is inquired in location.
After a block enters block chain node, transaction record parsing module parses the transaction in block, according to account
Address, exchange block height, transaction index within a block and every transaction content, thus orderly store transaction
In the transaction record memory module of local data base.
When there is account address to import wallet, triggering obtains the historical transactional information of this account address.Wallet module is sent
The historical transactional information of this account address is obtained, the transaction record that block chain node receives the transaction address that wallet module is sent is looked into
Request is ask, according to transaction record content corresponding with account address in account address lookup transaction record memory module；
S203, whether inquire, if do not inquired, return to sky；If inquired, the transaction address is returned
Corresponding transaction record and its content, are orderly sent to wallet module for historical trading in batches；
Wherein, it is stored in the transaction record memory module of the local data base of block chain node and is obtained in trading in block
The transaction address taken, exchange block height, the index traded within a block, transaction record content.
Using the present embodiment technical solution wallet module import account address after obtain historical trading when, do not need from
Block height 0 begins stepping through local data base, to greatly improve efficiency.
Embodiment 5
On the public chain Chain33 of the complicated U.S. 33 in Hangzhou, Chain33 be an exploitation threshold it is low, can plug, easily upgrading, divide
The efficient block chain framework of layer, for developing public chain, alliance's chain and private chain etc..Bit-cell wallet is a to be opened based on Chain33
The client of hair, BTY node deployment, BTY may be implemented using bit-cell wallet, and environmental protection POS digs the functions such as mine online.
Bit-cell wallet, that is, wallet module are installed on the node of Chain33, can be accommodated in wallet module several
Account address, i.e. transaction address；After transaction address imported into bit-cell wallet, acquisition all of the transaction address can be triggered and gone through
History Transaction Information.Block height 0 begins stepping through the All Activity of all blocks from the database of block chain node local, filtering
All historical transactional informations that the transaction address participates in out import wallet module, to check the historical trading of the transaction address
Record, this mode obtain very time-consuming when historical trading, and not friendly enough, customer experience is poor.
Similar with embodiment 1-4, the present embodiment proposes the method and system of a kind of transaction record storage and inquiry, in this reality
While applying the scheme traveling of example, Chain33 is normally carried out transaction creation, broadcast, is packaged block, block broadcast, block common recognition,
Each Chain33 node stores the block after common recognition in the local database.
A kind of transaction record storage method, as shown in Figure 5, comprising:
All block H0-Hn of S301, Chain33 node traverses, n is integer, parses all friendships in all block H0-Hn
Easily, obtain every transaction address Addr, block height Hi where every transaction (i=0,1,2,3,, n, n is integer), every
The index Index of transaction within a block, every transaction record content Tran；
S303, Addr, Hi, Index, Tran are stored in the local database, form as shown in table 1 below is stored in
In Chain33 node local data base.
Specifically, it is assumed that BTY-Addr1, BTY-Addr2, BTY-Addr3,, BTY-Addrz (z is integer) be
The upper any z transaction address of Chain33；Block height be Hm (m is integer) block in include several transaction (this implementation
Official holiday be equipped with x transaction, x is integer), be denoted as respectively: Tran1, Tran2, Tran3,, Tranx；Corresponding index are as follows: 1,2,
3,,,x；Transaction record content includes: amount, the timestamp, the data information carried of trading that transaction is related to, its being related to of trading
His transaction address etc..BTY-Addr1 is that transaction sends address in transaction Tran1, and BTY-Addr2 is transaction acceptance address；Transaction
BTY-Addr2 is that transaction sends address in Tran2, and BTY-Addr3, BTY-Addr4 and BTY-Addr5 are transaction acceptance address,
BTY-Addr3, BTY-Addr4 are that transaction sends address in transaction Tran3, and BTY-Addr2, BTY-Addr5 and BTY-Addr7 are
Transaction acceptance address.
Transaction record in 1 the present embodiment of table saves form
| Transaction address | Exchange block height | The index of transaction within a block | Transaction record content |
| ... | ... | ... | ... |
| BTY-Addr1 | Hm | 1 | Tran1 |
| BTY-Addr2 | Hm | 1 | Tran1 |
| BTY-Addr2 | Hm | 2 | Tran2 |
| BTY-Addr2 | Hm | 3 | Tran3 |
| BTY-Addr3 | Hm | 2 | Tran2 |
| BTY-Addr3 | Hm | 3 | Tran3 |
| BTY-Addr4 | Hm | 2 | Tran2 |
| BTY-Addr4 | Hm | 3 | Tran3 |
| BTY-Addr5 | Hm | 2 | Tran2 |
| BTY-Addr5 | Hm | 3 | Tran3 |
| BTY-Addr7 | Hm | 3 | Tran3 |
| ... | ... | ... | ... |
Assuming that BTY-Addr1, BTY-Addr4, BTY-Addr7 and BTY-Addr101 are on bit-cell wallet BTY-wa33
Several transaction addresses in any four transaction address；So as transaction address BTY-Addr1, BTY-Addr4, BTY-
After Addr7 and BTY-Addr101 is imported on bit-cell wallet BTY-wa33, as shown in Figure 7:
S401, bit-cell wallet BTY-wa33 can actively to Chain33 node send inquiry transaction address BTY-Addr1,
The transaction record inquiry request of BTY-Addr4, BTY-Addr7 and BTY-Addr101；
The transaction record that S403, Chain33 node receive the above transaction address that bit-cell wallet BTY-wa33 is sent is looked into
Ask request；
Whether S405, Chain33 node local data base store All Activity information, if it is not, to close on or its
His Chain33 node issues the above transaction address transaction record of inquiry and obtains inquiry request, closes on or other Chain33 nodes receive
Inquiry request continues step S407；If so, continuing step S407；
Chain33 node is inquired according to transaction address BTY-Addr1, BTY-Addr4, BTY-Addr7 and BTY-Addr101
Local data base, close on or other Chain33 node databases in transaction record content corresponding with transaction address；
S407, whether inquire, if do not inquired, empty, expression is returned to bit-cell wallet BTY-wa33；If
It inquires, then returns to the corresponding transaction record of the transaction address and its content to bit-cell wallet BTY-wa33；
If local node does not store All Activity information, to close on or other Chain33 nodes issue inquiry ask
It asks, closes on or other Chain33 nodes receive inquiry request, query result is sent to the section where bit-cell wallet BTY-wa33
On point, it is then introduced on bit-cell wallet BTY-wa33.
In this example, it is assumed that transaction address BTY-Addr101 does not have any transaction record, then final inquiry knot
Fruit is as shown in table 2, will react on the interface of bit-cell wallet BTY-wa33, checks for user.Using the technology of the present embodiment
Scheme does not need to begin stepping through local data from block height 0 when obtaining historical trading after wallet module imports account address
Library, to greatly improve search efficiency.
The transaction record of table 2 BTY-Addr1, BTY-Addr4, BTY-Addr7 and BTY-Addr101
| Transaction address | Exchange block height | The index of transaction within a block | Transaction record content |
| BTY-Addr1 | Hm | 1 | Tran1 |
| BTY-Addr4 | Hm | 2 | Tran2 |
| BTY-Addr4 | Hm | 3 | Tran3 |
| BTY-Addr7 | Hm | 3 | Tran3 |
| BTY-Addr101 | null | null | null |
A kind of storage of transaction record and inquiry system, as shown in Figure 6, comprising:
Transaction record parsing module, for obtaining every transaction address Addr in trading in all block H0-Hn, every
Exchange block height Hi, the index Index of every transaction within a block, every transaction records content Tran；
Transaction record memory module, the Addr, Hi, Index, Tran obtained for store transaction record parsing module；
Transaction record enquiry module, according to transaction address inquire local data base in transaction address BTY-Addr1, BTY-
The corresponding transaction record content of Addr4, BTY-Addr7 and BTY-Addr101, and query result is returned into bit-cell wallet
BTY-wa33。
Wherein, the transaction address includes that transaction sends address and transaction acceptance address；Transaction record memory module is located at
In local data base.
Embodiment 6
A kind of equipment, the equipment include: one or more processors；Memory, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors execute
Method as described above.
A kind of storage medium being stored with computer program realizes such as above embodiments 1- when the program is executed by processor
Method described in any one of 5 technical solutions.
Fig. 8 is a kind of structural schematic diagram for equipment that one embodiment of the invention provides.
As shown in figure 8, present invention also provides a kind of equipment 500, including one or more centres as on the other hand
Unit (CPU) 501 is managed, can be added according to the program being stored in read-only memory (ROM) 502 or from storage section 508
The program that is downloaded in random access storage device (RAM) 503 and execute various movements appropriate and processing.In RAM503, also deposit
It contains equipment 500 and operates required various programs and data.CPU501, ROM502 and RAM503 pass through the phase each other of bus 504
Even.Input/output (I/O) interface 505 is also connected to bus 504.
I/O interface 505 is connected to lower component: the importation 506 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 507 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 508 including hard disk etc.；
And the communications portion 509 of the network interface card including LAN card, modem etc..Communications portion 509 via such as because
The network of spy's net executes communication process.Driver 510 is also connected to I/O interface 505 as needed.Detachable media 511, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 510, in order to read from thereon
Computer program be mounted into storage section 508 as needed.
Particularly, according to disclosed embodiments, the method for any of the above-described embodiment description may be implemented as counting
Calculation machine software program.For example, disclosed embodiments include a kind of computer program product comprising be tangibly embodied in
Computer program on machine readable media, the computer program include the method for executing any of the above-described embodiment description
Program code.In such embodiments, which can be downloaded and be pacified from network by communications portion 509
Dress, and/or be mounted from detachable media 511.
As another aspect, present invention also provides a kind of computer readable storage medium, the computer-readable storage mediums
Matter can be computer readable storage medium included in the device of above-described embodiment；It is also possible to individualism, it is unassembled
Enter the computer readable storage medium in equipment.Computer-readable recording medium storage has one or more than one program, should
Program is used to execute by one or more than one processor is described in the present processes.
Flow chart and block diagram in attached drawing are illustrated according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, this is depending on related function.Also it wants
It is noted that the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, Ke Yitong
The dedicated hardware based system of functions or operations as defined in executing is crossed to realize, or by specialized hardware and can be calculated
The combination of machine instruction is realized.
Being described in the embodiment of the present application involved unit or module can be realized by way of software, can also be with
It is realized by way of hardware.Described unit or module also can be set in the processor, for example, each unit can
To be the software program being arranged in computer or intelligent movable equipment, it is also possible to the hardware device being separately configured.Wherein, this
The title of a little units or module does not constitute the restriction to the unit or module itself under certain conditions.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the application design, appointed by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of meaning combination and formation.Such as features described above and (but being not limited to) disclosed herein have similar functions
Technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of transaction record storage method characterized by comprising obtain transaction address, exchange in trading in block
Block height, the index traded within a block, transaction record content is stored in the local data base of block chain node.
2. the method according to claim 1, wherein the transaction address includes that transaction transmission address and transaction connect
Receive address.
3. the method according to claim 1, wherein according to the sequence parsing transaction traded in block, from block
Obtain transaction address in middle transaction, exchange block height, the index traded within a block, transaction record content, storage
In the local data base of block chain node.
4. a kind of transaction record querying method characterized by comprising inquire the local number of block chain link point according to transaction address
Sky is returned if do not inquired according to transaction record content corresponding with transaction address in library；If inquired, return
The corresponding transaction record of the transaction address and its content；
Wherein, the transaction address obtained in trading in block is stored in the local data base of block chain node, exchange exists
Block height, the index traded within a block, transaction record content.
5. according to the method described in claim 4, it is characterized in that, receiving the transaction record for the transaction address that wallet module is sent
Inquiry request, query result return to wallet module.
6. a kind of transaction record storage and inquiry system characterized by comprising
Transaction record parsing module, for obtaining transaction address in trading in block, exchange block height, transaction exists
Index in block, transaction record content；
Transaction record memory module, for the transaction address that store transaction record parsing module obtains, exchange block it is high
Degree, the index traded within a block, transaction record content；
Transaction record enquiry module is inquired transaction corresponding with transaction address in transaction record memory module according to transaction address and is remembered
Content is recorded, and query result is returned into wallet module.
7. system according to claim 6, which is characterized in that the transaction address includes that transaction transmission address and transaction connect
Receive address.
8. according to the method described in claim 6, it is characterized in that, transaction record memory module is located at the local of block chain node
In database.
9. a kind of equipment, which is characterized in that the equipment includes:
One or more processors；
Memory, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors
Execute method according to any one of claims 1 to 5.
10. a kind of storage medium for being stored with computer program, which is characterized in that realize when the program is executed by processor as weighed
Benefit requires method described in any one of 1-5.
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Cited By (7)
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| CN111159300A (en) * | 2019-12-31 | 2020-05-15 | 中国银行股份有限公司 | Data processing method and device based on block chain |
| CN111797168A (en) * | 2020-07-09 | 2020-10-20 | 杭州复杂美科技有限公司 | Block parallel processing method, equipment and storage medium |
| CN111813788A (en) * | 2020-05-20 | 2020-10-23 | 北京金山云网络技术有限公司 | Information query method and device and information synchronization method and device |
| CN112291358A (en) * | 2020-11-02 | 2021-01-29 | 暗链科技(深圳)有限公司 | Data association method and system of segmented block chain |
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