KR20200059105A - Apparatus and metod for verifying ballast water treatment results based on blockchain and system thereof - Google Patents

Abstract

A blockchain-based vessel ballast water processing result authentication system according to an embodiment of the present invention may comprise: a vessel ballast water processing vessel which processes vessel ballast water by means of a retaining ballast water management system (BWMS), generates a parity value with respect to log data displaying the vessel ballast water processing result of the BWMS, generates a first block with respect to data of a first group including the parity value, and transmits the generated first block to a first external vessel; the first external vessel which receives the first block from the vessel ballast water processing vessel before transmitting the same to a port state control (PSC) server or a second external vessel; and a PSC server device which receives the first block from the first external vessel, receives the log data with respect to the vessel ballast water processing result from the vessel ballast water processing vessel, and determines forgery of the log data based on the received first block and the received log data. Therefore, forgery of data can be determined.

Description

Blockchain based vessel ballast water treatment result verification device, method, and its system {APPARATUS AND METOD FOR VERIFYING BALLAST WATER TREATMENT RESULTS BASED ON BLOCKCHAIN AND SYSTEM THEREOF}

The present invention relates to an apparatus, method and system for the result of treating ballast water based on a blockchain. More specifically, the present invention relates to an apparatus, method, and system for verifying the results of treatment of ballast water applied to a blockchain-based forgery prevention solution.

As the Ballast Water discharge standards are prescribed by the International Maritime Organization (International 이하 Maritime IOrganization, hereinafter, IMO), ships are required to treat the ballast water at a specific quality level at the time of entry and discharge it. . Accordingly, each ship is equipped with a Ballast Water Management System (hereinafter referred to as BWMS), and prior to discharge of ballast water, the plankton in the ballast water is processed on board.

BWMS 'ballast water treatment methods include electrolysis, UV (ultraviolet) disinfection treatment, ozone treatment, and chemical treatment, and various models are provided for each manufacturer. The IMO does not limit the way BWMS handles ballast water and the BWMS model itself, but the performance standards are strict. According to IMO D-2 performance standards, for planktons of size 10-50 μm for ballast water treated, only less than 10 emissions per 1 mL are permitted.

Currently, whether the ballast water treatment result satisfies the IMO D-2 standard is judged based on the BWMS treatment result data installed on the ship. Therefore, data forgery or tampering occurs when data manipulation is performed at the BWMS stage or when data is transmitted to a server that manages the permit and management of discharge of ballast water such as a Port State Control (PSC) server. In this case, there is no way to ban or sanction this.

When the ballast water treatment result is forged, the ballast water that does not satisfy the IMO D-2 regulations can be discharged, contaminating the coastal ecosystem, and the IMO protocol is ineffective. Nevertheless, a forgery forgery verification system and method for preventing forgery and alteration of ship ballast water treatment results have not been provided.

The technical problem to be solved by the present invention is to provide a system and method for sharing data on a ballast water treatment result through communication with an external vessel and distributing data in a plurality of external vessels.

Another technical problem to be solved by the present invention is to determine whether to falsify the ballast water treatment result data by comparing the collected data by receiving the ballast water treatment result data of a specific ship collected from a plurality of ships at the PSC stage. It is to provide a system and method.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

The blockchain-based ship ballast water treatment result verification system for solving the above technical problem, the blockchain-based ship ballast water treatment result verification system processes the ballast water through the BWMS, and the ballast water of the BWMS A ship balance that generates a parity value for log data indicating the result of processing, generates a first block for a group of data including the parity value, and then transmits the generated first block to a first external vessel Receiving the first block from the water treatment vessel and the ballast water treatment vessel, receiving the first block from the first external vessel and the first external vessel to be transmitted to the PSC server device or the second external vessel, the PSC server device for receiving the log data for the ballast water treatment result from the ship ballast water treatment vessel, and determining whether or not the forgery of the log data is forgery based on the received first block and the received log data It can contain.

In one embodiment, the blockchain-based ballast water treatment result verification system further includes a second external vessel, and the PSC server device receives the second block from the second external vessel, and the first block By comparing the parity value of and the parity value of the second block, it is possible to determine whether the log data is forged or forged.

The method of verifying the ballast-based ballast water treatment result for solving the above technical problem is performed by a blockchain-based ballast water treatment result verification system, and according to an embodiment, the ballast water treatment vessel, ship Blocking a group of data including log data indicating a ballast water treatment result and a parity value thereof, and transmitting the first block generated by the block to a PSC server device, and the ship ballast water treatment vessel, Transmitting the first block to at least one external ship among a plurality of external vessels, and the PSC server apparatus receiving a second block for the first group of data from the vessel ballast water treatment vessel; The PSC server device may include determining whether to falsify the log data based on the first block and the second block.

In one embodiment, the step of determining whether or not the forgery of the log data includes: the PSC server device decoding the first block, identifying a first parity value of the decoded first block, and the PSC server A device decoding the second block, identifying the second parity value of the decoded second block, and the PSC server device comparing the first parity value and the second parity value to the log data It may include the first step of determining whether or not forgery.

In one embodiment, the step of determining whether the forgery is first, if the first parity value and the second parity value are the same, the PSC server apparatus determines that the log data is not forged and the PSC server The apparatus, the step of extracting the processing results for the ballast water on the log data, and the PSC server device, the processing result, determining whether the predetermined criteria, and the determination result, the predetermined criteria If satisfied, the PSC server device may include transmitting a discharge allowance message for the ballast water to the ship ballast water treatment vessel.

In one embodiment, the step of determining whether the forgery is falsified includes receiving a third block from a second external vessel by a first external vessel receiving the first block among the plurality of external vessels and the first external vessel. A ship extracting a first parity value and a third parity value from the first block and the third block, respectively, and the first external vessel compares the first parity value and the third parity value by It may include a second step of determining whether the forgery or alteration of the log data.

In one embodiment, the PSC server device receives the result of the second determination and the result of the first determination and the result of the second determination to determine whether to falsify the log data. And determining.

In one embodiment, the final determination step may include analyzing a result of the first determination and a result of a plurality of determinations including the result of the second determination, and the result of the analysis, a predetermined number or more. And, when a match determination result is identified, based on the match determination result, transmitting a discharge allowance message for the ballast water of the processing vessel.

The block chain based ship ballast water processing result verification device for solving the above technical problem loads a network interface for exchanging blocks with one or more processors and an external ship or PSC server device and a computer program performed by the processor (load) ), And a storage for storing the computer program, wherein the computer program includes an operation for generating log data including a ballast water treatment result and an operation for generating a parity value for the log data and the log data. And an operation for blocking a group of data including the parity value, an operation for generating a first block by the blocking, and an operation for transmitting the first block to the external ship or the PSC server device. It may include an operation for generating a second block and an operation for transmitting the second block to the PSC server device by performing blocking on the group of data at a different time from generation of the first block.

In one embodiment, the apparatus for verifying the ballast water treatment result based on the blockchain further includes an external device control interface for controlling the BWMS, and the computer program allows the ballast water discharge allowed message from the PSC server device. As it is received, it may further include an operation for generating a control message for discharging the ballast water, and an operation for transmitting the control message to the BWMS through the external equipment control interface.

According to an embodiment of the present invention, since it is possible to verify the ballast water treatment result by comparing a plurality of verification blocks, it is possible to prevent forgery and alteration of the ballast water treatment result.

In addition, according to another embodiment of the present invention, it is possible to improve the reliability of the ballast water treatment results, there is an advantage that can minimize the inspection process for permitting discharge. Accordingly, it is possible to quickly discharge the ballast water of the vessel and minimize the anchoring time of the vessel, thereby saving anchoring costs and time.

According to another embodiment of the present invention, the ballast water is discharged only when it satisfies the IMO D-2 standard, thereby achieving an IMO policy goal for environmental protection.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a block diagram of a system for verifying a ballast water treatment result based on a blockchain according to an embodiment of the present invention.
Figure 2 is an exemplary view of a ballast water treatment vessel, referred to in some embodiments of the present invention.
3 is a block diagram of a device for verifying a ballast water treatment result based on a blockchain according to another embodiment of the present invention.
4 is a flowchart of a method for verifying a ballast water treatment result based on a block chain according to another embodiment of the present invention.
5 is an exemplary view for explaining a block exchange between a ballast water treatment vessel and an external vessel, which is referred to in some embodiments of the present invention.
6 is an exemplary view for explaining a first verification method of a ballast water treatment result of a PSC server device, which is referred to in some embodiments of the present invention.
7 is an exemplary view for explaining a second verification method of a ballast water treatment result of a PSC server device, which is referred to in some embodiments of the present invention.
8 is a flowchart of a method for verifying a ballast water treatment result comparing a plurality of determination results according to another embodiment of the present invention.
This is a flowchart of the method for verifying the results of ballast water treatment.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the embodiments allow the publication of the present invention to be complete, and general knowledge in the technical field to which the present invention pertains. It is provided to fully inform the holder of the scope of the invention, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. In addition, terms defined in the commonly used dictionary are not ideally or excessively interpreted unless specifically defined. The terminology used herein is for describing the embodiments and is not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase.

1 is a block diagram of a system for verifying a ballast water treatment result based on a blockchain according to an embodiment of the present invention.

Referring to FIG. 1, a system for verifying a ballast water treatment result based on a block chain may include a ship ballast water treatment vessel 100 and at least one external ship 200 and 300 and a PSC server device 500. .

The ship ballast water treatment vessel 100 is a ship that has a BWMS and can process the ballast water through it. The ship ballast water treatment vessel 100 may perform data communication with the external vessels 200 and 300 and the PSC server apparatus 500.

In particular, according to an embodiment of the present invention, the ship ballast water treatment vessel 100 may process the ballast water through the BWMS and block the result data. Specifically, the ship ballast water treatment vessel 100 generates a parity value for log data indicating the result of the ballast water treatment, generates a block for a group of data including the parity value, and then generates the generated block. It can be transmitted to the external vessel (200, 300) or the PSC server device (500). In another embodiment, the ship ballast water treatment vessel 100 may generate parity values corresponding to a series of ballast water treatment results, and may block only the generated parity values.

In order to perform parity value generation and data blocking on the ballast water treatment result, the ballast water treatment vessel 100 may include a block chain based ballast water treatment result verification device. The description of the apparatus for verifying the ballast water treatment result based on the blockchain will be described later in the description of FIG. 3.

The external vessels 200 and 300 are vessels equipped with a computing device capable of data communication with the ballast water treatment vessel 100 and the PSC server apparatus 500. According to an embodiment of the present invention, at least one of the external vessels 200 and 300 may receive log data and / or a block for the ballast water treatment result from the ship ballast water treatment vessel 100. Here, the block may be a block generated for a group of data including a parity value, generated by the above-described vessel ballast water treatment vessel 100.

Within the communication distance according to the communication method according to an embodiment of the present invention, the external vessels 200 and 300 may transmit and receive the data and / or blocks to each other or between the PSC server apparatus 500.

The ship ballast water treatment vessel 100 and the external vessels 200 and 300 communicate with the PSC server apparatus 500 at a predetermined distance range when entering the port of the jurisdiction of the port country where the PSC server apparatus 500 is provided. In addition, long-distance communication may be performed through a satellite communication method such as INMARSAT.

According to an embodiment of the present invention, the blockchain-based ballast water treatment device, method, and system thereof include at least one known in the field to which the present invention pertains, such as medium-wave communication, short-range communication, and a communication method using a communication network for disaster safety. The communication method of can be applied.

In particular, a communication module supporting communication between land and ship, and between ship and ship at sea by maritime wireless communication, ship ballast water treatment vessel 100, external vessels 200, 300 and PSC server device 500 It may be provided in. For example, the ballast water treatment vessel 100, the external vessels 200 and 300 and the PSC server device 500 according to an embodiment of the present invention include an automatic identification system (AIS), Communication according to the AIS method can be performed with each other.

The PSC server device 500 is a device for determining whether a ballast water treatment vessel is allowed to enter and discharge a ballast water treatment vessel, and is capable of communicating with external vessels 200 and 300 and the ballast water treatment vessel 100. It is a computing device. The PSC server apparatus 500 may receive log data and / or blocked data from the vessel ballast water treatment vessel 100 and the external vessels 200 and 300 and analyze it.

Specifically, according to an embodiment of the present invention, the PSC server apparatus 500 may extract data on a ballast water treatment result from log data, and determine whether a predetermined ballast water treatment criterion is satisfied.

In one embodiment, the PSC server device 500 may also receive blocked data, compare it with other data blocks, and encrypt and / or decrypt the blocks. The PSC server apparatus 500 may determine whether to falsify the ballast water treatment result through comparison between a plurality of blocks received from different ships, decoding the plurality of blocks, and comparing the decoded data.

In another embodiment, the PSC server apparatus 500 may verify whether the ballast water treatment result is falsified based on the received blocked data and the log data received from the ship ballast water treatment vessel 100. Specifically, the PSC server apparatus 500 may verify whether the ballast water treatment result is falsified by comparing the data obtained by decoding the received blocked data with the received log data.

In the above embodiments and other embodiments, the PSC server device 500 may store and calculate at least one software for verifying the ballast water treatment result.

In FIG. 1, the ship ballast water treatment vessel is shown as ship A (100), the first external ship as ship B (200), and the second external ship as ship C (300).

At least one of block a1 (111), block a2 (112), and block a3 (113) blocked in ship A (100) may be shared by ship B (200) and / or ship C (300).

The ship B 200 may store the block a1N 121 in which the same data as the block a1 111 is blocked. Here, the block a1N (121) means the N-th shared data of the block a1 (111). For example, when block a1 (111) is generated by being blocked at a first time for log data 1, for the same log data 1, ship A (100) blocks at a time different from the first time, block a11, block a12, block a1N 121, and the like.

Ship A 100 may transmit block a1N 121 to ship B 200, and ship B 200 may store block a1N 121. The ship B 200 may transmit the block a1N 121 within the communication distance according to the communication method according to the embodiment of the present invention to the PSC server apparatus 500.

The block a2N 132 is obtained by blocking the same log data as the block a2 112 that the ship C 300 is blocked in the ship A. The ship C 300 may store the block a2N 132 in which the same data as the block a2 112 is blocked. Here, block a2N (132) means the N-th shared data of block a2 (112). For example, when block a2 112 is generated by being blocked at a second time for log data 2, for the same log data 2, ship A 100 blocks at a time different from the second time, block a21, block a22, block a2N 132, and the like.

In one embodiment, the ship A 100 transmits log data to the PSC server device 500, and the PSC server device 500 receives blocks a2N 132 and / or blocks a1N 121, of which By comparing the data obtained by decoding one and the log data, it is possible to verify whether the ballast water treatment result is forged or forged.

In another embodiment, the ship A 100 transmits log data to the PSC server device 500, the PSC server device 500 receives blocks a2N 132 and blocks a1N 121, and both blocks It is also possible to verify whether or not forgery of the ballast water treatment result by comparing a plurality of data obtained by decoding and log data.

In another embodiment, the PSC server apparatus 500 may verify whether the ballast water treatment result is falsified by receiving blocks a2N 132 and block a1N 121 and comparing the two blocks.

In the above example, the data to be blocked may be, for example, 8 bits including 7 bits for a part of log data and 1 parity bit for the part. That is, 8 bits can be blocked as a group of blocking target data. As the blocking method, a method widely known in the art to which the present invention pertains may be used.

Figure 2 is an exemplary view of a ballast water treatment vessel, referred to in some embodiments of the present invention. 3 is a block diagram of a device for verifying a ballast water treatment result based on a blockchain according to another embodiment of the present invention. Hereinafter, the ballast water treatment result verification device based on the blockchain may be abbreviated as a ballast water treatment result verification device.

Referring to Figure 2, vessel A (100) is shown as an example of a ballast water treatment vessel. The ballast water treatment result verification device 10 may include a ship ballast water treatment device (BWMS) 50 and a ship ballast water tank 70. In addition, the ballast water treatment vessel 100 may include at least one communication module that supports one or more communication methods such as a satellite method and a wireless communication method at sea.

According to one embodiment, in ship A 100, the BWMS 50 may process ship ballast water in the ship ballast tank 70. The ballast water treatment result verification apparatus 10 may receive log data including the ballast water treatment result from the BWMS 50. The ballast water treatment result verification apparatus 10 may generate a block based on the received log data. In addition, the ballast water treatment result verification apparatus 10 may transmit a block to the ship B 200.

 In FIG. 2, the ship A 100 transmits the block 21 to the ship B 200, and the ballast water treatment result verification apparatus 10 transmits log data 22 to the PSC server apparatus 500. The case is shown as an example. Here, the block 21 and the log data 22 may be transmitted by the same communication method, but the embodiment of the present invention is not limited to this, and the data are respectively PSC server device 500 and ship B in different communication methods. It may be transmitted to (200). Vessel A 100 may receive a discharge permission message when the ballast water processed by the PSC server apparatus 500 satisfies a preset criterion, and when the ballast water is not satisfied with a preset criterion, a discharging impossible message It may also receive. When receiving a message that cannot be discharged, the ship A 100 is substantially unable to enter the port.

3, the structure and operation of the ballast water treatment result verification device 10 will be described in detail.

Referring to FIG. 3, the ballast water treatment result verification apparatus 10 may include one or more processors 11, a network interface 12, a memory 13, a storage 14, and an external equipment control interface 17. Can be.

The processor 11 controls the overall operation of each component of the ballast water treatment result verification device 10. The processor 11 may include a CPU (Central Processing Unit), a Micro Processor Unit (MPU), a Micro Controller Unit (MCU), or any type of processor well known in the art. Further, the processor 11 may perform operations on at least one application or program for executing the method according to embodiments of the present invention. The ballast water treatment result verification apparatus 10 may include one or more processors.

The network interface 12 supports the wireless data communication of the ballast water treatment result verification device 10 in the network interface 12. In addition, the network interface 12 may support various communication methods, including satellite communication in addition to wireless communication. Also, the network interface 12 may provide a connection with external equipment. To this end, the network interface 12 may include at least one of a communication module and a connection terminal well known in the art. Here, the external equipment may be a communication module of the BWMS 50 or the PSC server device 500, or a communication module provided in other external vessels 200 and 300.

The memory 13 stores various data, commands and / or information. Memory 13 may load one or more programs 15 from storage 14 to execute methods in accordance with embodiments of the present invention. The memory 13 may be, for example, RAM.

In the storage 14, the one or more programs 15 may be, for example, a ballast water treatment result verification SW (hereinafter, verification software) 15. The storage 14 may also store the block 16, which encrypted log data, non-temporarily.

Storage 14 is a non-volatile memory such as a read only memory (ROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EPMROM), a flash memory, a hard disk, a removable disk, or well in the art. And any known form of computer-readable recording media.

The verification software 15 is calculated by the vessel ballast water processing result verification device 10, so that methods according to an embodiment of the present invention can be executed.

According to one embodiment, the verification software 15 includes an operation for generating log data including the ballast water treatment result, and an operation for generating parity values for log data, and a group of data including log data and parity values. An operation for blocking for and the operation for generating a first block by such blocking may be included.

In addition, the verification software 15 transmits the generated first block to the external vessels 200 and 300 or the PSC server device 500, and at a different time from the creation of the first block, for the same set of data. By performing blocking, an operation for generating a second block may be included.

Next, the verification software 15 may include an operation of transmitting the second block to the PSC server device 500.

Meanwhile, the ballast water treatment result verification device 10 may further include a control interface for controlling external equipment provided in the ship A 100. The external equipment may be, for example, BWMS50), a ballast water tank 70, or the like related to the treatment of ballast water according to an embodiment of the present invention. The ballast water treatment result verification apparatus 10 may transmit a control message to the external equipment through the external equipment control interface, and receive feedback on the control result. Specifically, for this purpose, the verification software 15 receives an operation and control message for generating a control message for discharging the ballast water from the PSC server device 500, as a message for allowing the ballast water discharge is received. Through the equipment control interface 17, it may further include an operation for transmitting to the BWMS (50).

In the above example, the case where the ballast water treatment result verification apparatus 10 is provided in the ship A 100 has been described, but the embodiment of the present invention is not limited thereto. The ballast water treatment result verification apparatus 10 is provided in the PSC server apparatus 500, the ship B 200, and the ship C 300, and the method for verifying the ship ballast water treatment result according to another embodiment of the present invention It is workable.

4 is a flowchart of a method for verifying a ballast water treatment result based on a block chain according to another embodiment of the present invention. In particular, each step of the method for verifying the ballast water treatment result can be performed by the ballast water treatment result verification system. Specifically, the ballast water treatment vessel 100, the external vessels (200, 300) and the ballast water treatment result provided in the PSC server device 500, the ballast water treatment result verification device 10 can be executed by the operation of the calculation software have.

Referring to FIG. 4, the ballast water treatment vessel 100 may perform blocking on log data indicating the result of ballast water treatment (S10). Specifically, the ballast water handling vessel 100 may block a group of data including log data and parity values thereof. The ship ballast water treatment vessel 100 may transmit the first block to at least one external vessel among a plurality of external vessels (S20). For example, when the ballast water treatment vessel is ship A100, and the external ship is ship B200 and ship C300, ship A100 is the first time of ship A100. The first block of the block log data may be transmitted to the ship B 200 and the ship C 300.

In another embodiment of the present invention, the ship A 100 may transmit the first block to the PSC server device in the first region.

Next, the PSC server apparatus 500 may receive the first block from at least one of the ship B 200 and the ship C 300 (S30). In addition, the PSC server apparatus 500 may receive the second block for the first group of data from the ship A 100 (S40). Here, the second block may be data obtained by blocking log data at a second time point.

According to another embodiment of the present invention, the PSC server device 500 is located in a second area, and the second area may be a different area from the first area. The PSC server device 500 in the second area may receive the first block from the PSC server device in the first area.

The PSC server apparatus 500 may determine whether to falsify the log data based on the first block and the second block.

Specifically, the PSC server device 500 may decode the received first block and second block. Through the decoding, the PSC server device 100 may identify the first parity value on the first block and the second parity value on the second block. The PSC server apparatus 500 may determine whether the log data is falsified by comparing the first parity value and the second parity value.

According to an embodiment of the present invention, when the first parity value and the second parity value are the same, the PSC server apparatus 500 may determine that the log data has not been forged.

The PSC server apparatus 500 may extract the result of processing for the ballast water on the log data that has not been forged, and determine whether the result of the processing of the extracted ballast water satisfies a preset criterion (S50). ). For example, the PSC server apparatus 500 may determine whether the ballast water treatment result satisfies the IMO D-2 standard.

As a result of the determination, if the preset criteria are satisfied, the PSC server apparatus 500 may transmit a discharge allowance message for the ballast water to the ship A 100 (S60). On the other hand, if the predetermined criteria are not satisfied, the PSC server apparatus 500 may transmit a ballast water reprocessing request message to the ship A 100 (S70). When the ballast water reprocessing request message is received, the ballast water treatment result verification device 10 of the ship A 100, through the external equipment control interface 17, the ballast water in the ship ballast tank 70 The BWMS 50 can be controlled to be reprocessed.

5 is an exemplary view for explaining a block exchange between a ship ballast water treatment vessel and an external ship, which is referred to in some embodiments of the present invention.

Referring to FIG. 5, log data about the operation of the vessel A 100 and the results of the treatment of the ballast water is stored in the storage 14 provided in the apparatus 10 for verifying the ballast water treatment result of the vessel A 100. Can be. The ballast water treatment result verification apparatus 10 may generate log data a1 (111), a2 (112), a3 (113), and the like at different time points depending on the operation progress. The ballast water treatment result verification apparatus 10 may store a1 (111), a2 (112), and a3 (113) as log data groups 110.

The ballast water treatment result verification apparatus 10 may perform encryption on log data in the log data group 110. Accordingly, log data may be blocked, and in particular, in FIG. 5, a1 (112) and a2 (112) are blocked, and a3 (113) is shown as an example before encryption. The ballast water treatment result verification apparatus 10 may generate a block by blocking log data a1 111 before blocking at a plurality of times.

Ship A (100) may share a1 (111), a2 (112) blocked to ships within the communication range, such as ship B (200), ship C (300).

Referring to FIG. 5, a11 (121) and a13 (131), which are blocked at different times when a1 (111) is different, may be transmitted to ship B200 and shipC300, respectively.

The ship B 200 may store a block received from the ship A 100 in the log data group 210. In addition, the ship B 200 may generate log data b1 221 and b2 222 for the operation of the ship B 200 and store the log data in the log data group 220. Among them, the state before b1 221 is blocked and b2 222 is encrypted is illustrated as an example in FIG. 5. The ship B 200 may transmit the blocked data b1 221 to other ships such as the ship A 100. b1 221 may be blocked at a different time, b11 211 may be generated, and ship B200 may transmit b11 211 to ship A100 b11 211. Ship A 100 may store the received block b11 211 in the log data group 110.

The ship C 300 may store blocks received from other ships in the log data group 310. For example, ship C 300 may receive and store blocks a21 (132) and a13 (131).

The blocks transmitted and stored in the ship in FIG. 5 may be exchanged between ships within a predetermined communication distance range during operation.

6 is an exemplary view for explaining a first verification method of a ballast water treatment result of a PSC server device, which is referred to in some embodiments of the present invention. In addition, Figure 7 is an exemplary view for explaining the second verification method of the ballast water treatment results of the PSC server device, referred to in some embodiments of the present invention.

Referring to FIG. 6, the PSC server apparatus 500 determines whether the ballast water treatment result is forged or altered based on a block received from the ship ballast water treatment vessel 100 and a block received from the external ships 200 or 300. Can be verified. That is, the PSC server apparatus 500 may receive only the block, and verify whether or not forgery of the ballast water treatment result.

 Referring to FIG. 7, the PSC server apparatus 500 forgery and alters the ballast water treatment result based on log data received from the ship ballast water treatment vessel 100 and blocks received from the external vessels 200 and 300. It can be verified. That is, after the PSC server apparatus 500 receives log data and blocks, it is possible to verify whether the ballast water treatment result is forged or forged.

6 and 7, the ballast water treatment result verification system includes ship A100 as ship ballast water treatment vessel 100, ship B200 as external vessel, ship C300, ship X (600), PSC server device 500 may be included.

6 and 7, the ship A 100 stores the data group 110, and the data group 110 stores blocks a1 to a4 as examples. Ship B 200 may store blocks a11 and a21, ship C 300 may store block a32, and ship X 600 may store block a45.

Referring to FIG. 6, the PSC server device 500 may receive blocks in the data group 110 from the ship A 100. In addition, the PSC server apparatus 500 may receive the blocks a11, a21, a32, and a45 from the ship B200, the ship C300, and the ship X600, and generate a block group 520. The PSC server device 500 may receive the blocks in the data group 110 from the ship A 100 to generate the block group 510. Block groups 510 correspond to blocks a11, a21, a32, and a45 in blocks a1, a2, a3, and a4 in block group 520.

According to an embodiment, the PSC server device 100 may decrypt the blocks in the block group 510 and the block group 520 to obtain log data and verify whether the ballast water treatment result is falsified or not by comparing it. have. Specifically, by comparing parity values on log data, it is possible to verify whether the falsification has been made.

According to another embodiment, the PSC server apparatus 100 may verify whether the ballast water treatment result is falsified by comparing blocks of the block group 510 and the corresponding blocks in the block group 520 with each other.

Referring to FIG. 7, the PSC server apparatus 500 may receive log data in the data group 710 from the ship A 100. In addition, the PSC server apparatus 500 may receive the blocks a11, a21, a32, and a45 from the ship B200, the ship C300, and the ship X600, and generate a block group 520.

The PSC server device 500 may generate log data groups 720 by receiving log data from the ship A 100.

In one embodiment, the PSC server apparatus 500 decodes the blocks in the block group 520 to obtain log data, compares the obtained log data with the log data in the log data group 720, and results of processing the ballast water in the vessel. Verification of falsification can be performed.

In another embodiment, the PSC server device 500 decrypts blocks a11, a21, a32, and a45 in the block group 520 to obtain log data a1, a2, a3, a4, and the log data a1, a2, a3 , a4, a log data group 720 may be generated.

The PSC server device 500 compares the log data received from another ship receiving the log data of the ship A 100 and the log data in the log data group 720, thereby verifying whether the ballast water treatment result is falsified or not. You can also do

In addition, the PSC server apparatus 500 may receive a block for log data of the ship A 100 from a plurality of ships, decode it, and perform verification on whether to falsify the ballast water treatment result.

8 is a flowchart of a method for verifying a ballast water treatment result comparing a plurality of determination results according to another embodiment of the present invention.

Referring to FIG. 8, the PSC server apparatus 500 may log data based on a first block received from the ballast water treatment vessel 100 and a second block received from at least one of the external vessels 200 and 300. It may be determined whether the forgery of the first (S601). Here, the first block and the second block are block data of different viewpoints for the same log data. The second block may be a block provided by the vessel ballast water treatment vessel 100 to the at least one external vessel.

In addition, the ship B 200 of FIG. 1 among the external ships 200 and 300 may receive the first block from the ship A 100. The ship B 200 may receive the third block from the ship C 300. Here, the first block and the third block are block data of different viewpoints for the same log data. The third block may be a block provided by the ship A 100 of FIG. 1 to the ship C 300.

The ship B 200 of FIG. 1 may secondly determine whether to falsify log data based on the first block and the third block. The PSC server apparatus 500 may receive the second determination from the ship B 200 (S602).

Specifically, the PSC server apparatus 100 extracts a first parity value and a third parity value from the first block and the third block, respectively, and compares the first parity value and the second parity value to determine whether the forgery of the log data is forged. Can be determined second.

Next, the PSC server apparatus 500 may receive the result of the second decision, and finally determine whether or not the forgery of the log data has been falsified based on the result of the first decision and the result of the second decision ( S603).

The PSC server apparatus 500 may analyze results for a plurality of decisions, including results for the first decision and results for the second decision. For example, the PSC server apparatus 500 may receive the results of the four determinations from a plurality of external ships in addition to the results of the first determination generated by itself.

 As a result of the analysis, when a matching determination result having a predetermined number or more is identified, the PSC server apparatus 500 may determine whether the ballast water treatment result satisfies a preset criterion based on the matching determination result (S604). . In the above example, when three or more of the results for the five judgments match, the PSC server apparatus 500 may finally determine that there is no forgery or alteration in the ballast water treatment result. In addition, the PSC server apparatus 500 may extract data on the ballast water treatment result from log data corresponding to the matched determination result, and determine whether a predetermined criterion is satisfied.

 Next, the PSC server apparatus 500 may transmit a discharge allowance message for the ballast water of the ship ballast water treatment vessel 100 when the preset criteria are satisfied (S605). On the other hand, if the predetermined criteria are not satisfied, the PSC server apparatus 500 may transmit a reprocessing request message of the ballast water to the ship A 100 (S606).

Although the embodiments of the present invention have been described with reference to the accompanying drawings, a person skilled in the art to which the present invention pertains may be implemented in other specific forms without changing the technical concept or essential features of the present invention. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

Claims (10)

Process the ballast water through the BWMS (Ballast Watwer Manegement System), generate parity values for log data indicating the result of the ballast water treatment of the BWMS, and control the first group of data including the parity values. A ship ballast water treatment vessel that transmits the generated first block to a first external vessel after generating one block;
A first external vessel receiving the first block from the vessel ballast processing vessel and transmitting it to a PSC server device or a second external vessel; And
Receiving the first block from the first external vessel, receiving the log data for the ballast water treatment result from the vessel ballast water treatment vessel, and based on the received first block and the received log data Including, PSC server device for determining whether the forgery of the log data,
Blockchain based ship ballast water treatment result verification system. The method of claim 1, wherein the blockchain-based ballast water treatment result verification system further includes a second external vessel,
The PSC server device,
A second block is received from the second external vessel, and the parity value of the first block is compared with the parity value of the second block to determine whether the log data is forged or not.
Blockchain based ship ballast water treatment result verification system. As a method for verifying the ballast water treatment result based on the blockchain, which is performed by the system for verifying the ballast water treatment result based on the blockchain,
Ship ballast water treatment vessel, block data of a group including log data indicating the result of the ballast water treatment and parity values thereof, and block the first block generated by the blocking, at least one of a plurality of external vessels Transmitting to the external ship;
The PSC server device receiving a first block from the at least one external ship.
The PSC server apparatus receiving a second block for the first group of data from the ship ballast water treatment vessel; And
The PSC server device, comprising the step of determining whether the forgery of the log data based on the first block and the second block,
Method for verifying the result of ballast water treatment based on blockchain. According to claim 3, The step of determining whether the forgery of the log data,
The PSC server device decoding the first block and identifying a first parity value of the decoded first block;
The PSC server device decoding the second block and identifying a second parity value of the decoded second block; And
The PSC server device comprising: comparing the first parity value with the second parity value to first determine whether the log data is forged or forged;
Method for verifying the result of ballast water treatment based on blockchain. The method of claim 4, wherein the first step of determining whether the forgery is altered,
When the first parity value and the second parity value are the same, the PSC server device determining that the log data has not been forged;
The PSC server device, extracting the processing result for the ballast water on the log data;
Determining, by the PSC server device, whether the processing result satisfies a preset criterion; And
As a result of the determination, when the predetermined criterion is satisfied, the PSC server device comprising the step of transmitting a discharge allowance message for the ballast water to the ship ballast water treatment vessel,
Method for verifying the result of ballast water treatment based on blockchain. According to claim 4, The step of determining whether the forgery,
Of the plurality of external vessels, the first external vessel receiving the first block receives a third block from the second external vessel;
Extracting, by the first external vessel, a first parity value and a third parity value from the first block and the third block, respectively; And
And the second external vessel determining the forgery of the log data by comparing the first parity value with the third parity value.
Method for verifying the result of ballast water treatment based on blockchain. The method of claim 6, wherein the PSC server device,
Receiving a result of the second determination; And
And finally determining whether or not the forgery of the log data is forgery based on the result of the first determination and the result of the second determination.
Method for verifying the result of ballast water treatment based on blockchain. The method of claim 7, wherein the final determination step,
Analyzing results for a plurality of decisions including results for the first decision and results for the second decision; And
If, as a result of the analysis, a matching determination result that is equal to or greater than a preset number is identified, based on the matching determination result, transmitting an emission allowance message for the ballast water of the processing vessel,
Method for verifying the result of ballast water treatment based on blockchain. One or more processors;
A network interface for exchanging blocks with external vessels or PSC server devices;
A memory for loading a computer program executed by the processor; And
It includes a storage for storing the computer program,
The computer program,
An operation for generating log data including the ballast water treatment result;
An operation for generating a parity value for the log data;
An operation of performing blocking on a group of data including the log data and the parity value;
An operation of generating a first block by the blocking;
An operation of transmitting the first block to the external ship or the PSC server device;
An operation of generating a second block by performing blocking on the group of data at a different point in time from the generation of the first block; And
And an operation of transmitting the second block to the PSC server device,
Blockchain based ballast water treatment result verification device. The method of claim 9,
The blockchain-based ballast water treatment result verification device further includes an external device control interface for controlling the BWMS,
The computer program,
An operation for generating a control message for discharging the ballast water as the ballast water discharging permission message is received from the PSC server device; And
Further comprising an operation for transmitting the control message to the BWMS through the external device control interface,
Blockchain based vessel ballast water treatment result verification device.

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