48results about How to "Avoid evil" patented technology

The invention discloses a storage-based block chain excitation method, a block chain network and a storage network. The method of the invention comprises the following steps that a ranking algorithm of the block chain nodes is proposed. The total contribution value is calculated by the storage contribution and the betting amount of the block chain nodes, and the contribution of the nodes to the whole system in the storage contribution and the betting is effectively evaluated. In this paper, a method of ranking un_rank nodes is proposed, in which the nodes of the whole network participate in the ranking as much as possible, and the un_rank nodes can also get the block chain reward by storing their contribution. A method of incentive based on storage reward and wager amount is proposed, which effectively motivates the node to maintain the whole block chain system continuously and ensure the safety of the block chain system. The method of the invention is suitable for rewarding nodes according to the storage contribution, can effectively evaluate the storage contribution of nodes, motivates all nodes to participate in the system maintenance of the block chain, and rewards the nodes based on the storage contribution.

The embodiment of the invention relates to a block chain cross-chain method, device and system and an electronic device. The method is applied to a cross-chain system in a side chain relay mode, and mainly comprises the following steps that a relay reads a locking proof generated by a first block chain where a native asset is located after the native asset is locked; the relay sends the locking proof to a second block chain, the locking proof is used for triggering the second block chain to verify the locking proof, and a mapping asset corresponding to the native asset is generated after the verification is successful, wherein the relay is a de-trusted full node having access rights to the first block chain and the second block chain. The relay satisfies a credible setting condition, namely is a whole node of the main chain and the side chain, can become the third-party relay approved by the two cross-chain parties and provide the cross-chain service. The trusted relay can be generated without the complex means in the prior art, so that the setting mechanism of the relay is simplified, the cross-chain service is simplified through the de-trusted relay, and the cross-chain transaction security is improved.

The invention relates to the technical field of privacy data authorization, and discloses a decentralized privacy data authorization method and system based on a blockchain, and the method specifically comprises the steps that a data provider selects privacy data needing to be encrypted in data information; encrypting the private data by using a provider private key, and submitting data information to the blockchain node; decrypting the private data by using the provider private key, and encrypting the private data through the demander public key; and the data demander decrypts the private data through the demander private key corresponding to the demander public key to obtain the content of the private data. The problems of large workload, difficult management and centralized rights of acentralized authorization mode and an authorization center are solved; the method solves the technical problems that in the prior art, hierarchical authorization is adopted, a system lacks flexibility, and if a data requester of a certain layer is disgusted, access permission of the data requester is disclosed, and all encrypted data of the layer can be leaked.

The present invention discloses a fish feed additive. The fish feed additive comprises the following components inparts by weight: 10-15 parts of semen lablab album, 3-15 parts of dried tangerine peels, 3-12 parts of fruits of russianolive, 6-15 parts of flos celosiae cristatae, 5-10 parts of radix aconiti carmichaeli, 6-15 parts of radix codonopsis, 6-15 parts of rhizoma atractylodis macrocephalae, 5-12 parts of dried gingers and 9-18 parts of prepared radix licorice. The fish feed additive can enhance the body constitution of cyprinus carpio, reduce the disease occurrence, improve the disease resistance of the fish schools on the whole, reduce the occurrence of climate stress responses, significantly reduce the incidence of diseases such as enteritis, saprolegniasis, bleeding diseases, spring viraemia, etc. of the cyprinus carpio, and ensure the breeding efficiency.

The invention discloses a data holding proving method, device and system. The problem that there is no data holding proving mechanism for existing personal storage can be solved. The method includes the steps of receiving file segment identifiers of a to-be-verified file and a root node of a Merkle trusted tree; searching for the Merkle trusted tree corresponding to the root node and file segmentscorresponding to leaf nodes of the Merkle trusted tree; sending the file segments corresponding to the file segment identifiers and authentication paths of the file segments to a verification side sothat the verification side can conveniently conduct data holding verification on a storage side according to the file segments, the authentication paths and the root node; or sending operation values, calculated according to a preset algorithm, of the file segments and file segment identifiers and the authentication paths of the file segments to the verification side so that the verification sidecan conduct data holding verification on the storage side according to the operation values, calculated on the basis of the preset algorithm, of the file segments, the operation values, calculated onthe basis of the preset algorithm, of the file segment identifiers, the authentication paths and the root node. The data holding proving method, device and system are mainly applicable to scenes in which data is stored on the basis of a blockchain.

The invention discloses an oral traditional Chinese medicine preparation for treating intractable cough. The oral traditional Chinese medicine preparation is characterized by comprising the following traditional Chinese medicine raw materials by weight: 12 g of radix adenophorae, 10 g of platycodon grandiflorum, 10 g of semen armeniacae amarae, 5 g of herba ephedrae, 8 g of periostracum cicada, 12 g of radix scutellariae, 12 g of gnaphalium affine, 10 g of schisandra chinensis, 9 g of herba plantaginis and 8 g of radix glycyrrhizae preparata. The raw medicinal materials selected in the oral traditional Chinese medicine preparation are complementary in medicine effect; mutual inhibition, mutual restraint and mutual detoxication of compatibility among drugs are avoided, so that the drugs are obvious in mutual promotion and mutual assistance effects; the oral traditional Chinese medicine preparation has the effects of dispersing the lung, clearing interior heat, purifying and descending, and relieving cough. The oral traditional Chinese medicine preparation is used for treating the intractable cough after oral administration and is definite in curative effect.

The invention discloses a multi-party security computing implementation method based on a blockchain technology. The method specifically comprises the following steps: step 1, compiling an intelligentcontract, wherein the intelligent contract comprises node information of each contract party, tasks of each contract party for executing the intelligent contract and task execution relationships among the tasks; step 2, publishing the intelligent contract: publishing the intelligent contract on the block chain; 3, determining an executable state: after the intelligent contract is authorized by related nodes of each contract party of the intelligent contract, determining the intelligent contract as the executable state; step 4, executing the intelligent contract, wherein different contract parties have own unique business accounts, log in node servers of nodes through node accounts of the nodes and execute tasks of the intelligent contract on the blockchain; and step 5, carrying out verification and recording of an execution result, wherein the nodes which do not participate in the intelligent contract carry out verification and state recording of the contract execution result. According to the invention, the problems of data security and privacy in the data cooperation process are solved.

The invention discloses a blockchain incentive method and system based on shared integrals, and belongs to the field of blockchain. The method comprises the steps that within the valid period of the current committee, enabling all block output nodes to output blocks in turn, wherein each block output node obtains a shared score reward every time; when the last outbound node of the current committee finishes outbound, selecting an application node as a next outbound committee according to the shared integral increment; enabling a node in the block chain network to obtain a shared point by selling a shared marketing label or purchasing currency, obtain a shared point reward by becoming a block output node, and use the shared point when purchasing the shared marketing label. According to theinvention, merchants are stimulated to share marketing tags with other merchants to obtain shared points, a certain number of nodes are selected from high to low as committee members according to theincrement of the shared points of the nodes, and the committee members are blocked in turn. According to the increment of the shared score in the current time period of the outblock node, issuing a shared score reward to the outblock node.

The invention discloses a symmetric searchable encryption method based on a PBFT consensus mechanism, and relates to the technical field of data processing methods. The method comprises the following steps: a preparation stage, a retrieval stage, a consensus stage and an updating stage. According to the method, a block chain technology and a searchable encryption technology are combined, so that the disclosure, transparency and traceability of a data retrieval process can be ensured; a symmetric searchable encryption method including data verification, data updating and node behavior supervision is established through an improved PBFT consensus, so that the transaction fairness between the user and the server can be ensured, the one-to-one correspondence between the user retrieval request and the retrieval result provided by the cloud server is ensured, and the method is real and reliable. And the credibility between the user and the cloud server can be effectively improved.

The invention discloses an alliance chain consensus method based on a hierarchical model, and the method comprises the steps: carrying out the dynamic division of nodes in a chain: the nodes are no longer used as common peer nodes or sorting nodes, layering the alliance chain according to a Goosip protocol propagation mode, and selecting proxy nodes, and if the previous node finds that the block sent by the previous layer of node does not accord with the local cache transaction, determining that the previous layer of node has the Byzantine node, and if not, performing block copying on the node of the layer communicating with the PB node of the upper layer of the Byzantine node and then continuing the propagation to the next layer; if it is found that the Leader of the first layer do evil, completing, by the PB of each layer, the preparatory work locally and competing for the Leader; then forwarding the messages passing the verification mutually, and carrying out the next verification after messages passing the verification of most nodes are received; and carrying verification according to local transaction cache, main node signature, previous block hash, block height and read-write set conflict; and completing block submission if the verification is passed. Therefore, the consensus process of the alliance chain is optimized.

The embodiment of the invention provides a binary consensus method based on reliable broadcast, which is characterized by being applied to any consensus node in a distributed system, and comprises the following steps: aiming at a to-be-consensus proposal of any consensus node, determining an initial voting value corresponding to the to-be-consensus proposal; wherein the initial voting value is a first voting value or a second voting value; circularly executing each round of consensus step until a preset stop condition is met, and each round of consensus step comprising the step of broadcasting the voting value of the round to other nodes in the N consensus nodes by using a reliable broadcast (RBC) protocol; and determining the consensus condition of the to-be-proposed consensus based on the received voting value broadcasted by other consensus nodes. By adopting the method, each consensus node broadcasts the voting value through the reliable broadcast RBC protocol, and determines the consensus result based on the received voting values broadcasted by other consensus nodes, so that each consensus node can quickly reach the consensus about the to-be-consensus proposal, and the security of the consensus process is improved.

Traditional Chinese medicine for treating amygdalitis is characterized by comprising, by weight, 2-5 parts of borneol, 6-9 parts of snakegourd seed, 2-4 parts of mint, 15-25 parts of radix aristolochiae, 3-8 parts of indigo naturalis, 4-6 parts of achyranthes bidentata, 12-18 parts of radix scutellariae, 3-6 parts of alum and 6-10 parts of unibract fritillary bulb. The traditional Chinese medicine for treating amygdalitis has effects of clearing away heat and toxic materials, invigorating blood circulation and eliminating swelling and resisting bacteria and inflammation and is good in clinical curative effect on the amygdalitis, simple to prepare, convenient to use and low in medicinal material cost.

The embodiment of the invention discloses a blockchain-based data consensus method, related equipment and a storage medium. The method comprises the steps of: detecting a consensus triggering event for target data, and obtaining signature information of each consensus node in a plurality of consensus nodes; based on the signature information of each consensus node, determining a voting weight of each consensus node for performing consensus voting on the target data; in the plurality of consensus nodes, enabling the voting weight corresponding to the consensus node which performs signature processing in a trusted computing environment to be greater than the voting weight corresponding to the consensus node which performs signature processing outside the trusted computing environment; and calculating the voting result of the target data according to the voting weight of each consensus node, and determining the consensus result of the target data according to the calculating result. Thus,the accuracy of the consensus result obtained by performing consensus processing on the target data (transaction data) can be improved.

The invention relates to a multi-input verifiable pseudo-random number generation method. The method comprises the following steps of enabling a verifier to select a random number as a main private key; generating the sub-private keys based on a threshold scheme and the main private key and distributing the sub-private keys; signing any message by using a verifier sub-private key so as to obtain the first signature information and broadcasting the first signature information; signing the message information by using an own verifier main private key to form the seed information and broadcastingthe seed information; receiving the first signature information and the seed information broadcasted by other verifiers and verifying the first signature information and the seed information; when the verification result is false or the seed information cannot be obtained, enabling the other verifiers to collect the first signature information distributed by the dishonest verifier, and recoveringthe seed information of the dishonest verifier based on the threshold scheme; and collecting the seed information of all verifiers, and synthesizing a signature as a pseudo-random number of the round. According to the present invention, when the verifier is judged to be dishonest, the signature of the dishonest verifier is published, so that the verifiability of the random number is prevented from being damaged, and the last person is completely prevented from doing evil.

The invention provides a data safety collaborative calculation method and system. The method comprises the steps: 1, extracting data features, carrying out the privacy grading of data, configuring a calculation type, formulating a calculation protocol, and carrying out the uplink of the data features, the privacy grade, the calculation type and the calculation protocol; 2, after selecting an online node, a data calculation requester initiates an HTTP request and links request information, a calculation service party verifies the information on the link, establishes a secure channel after verification, carries out data transmission and calculation, and links a calculation result; and 3, verifying the calculation result. According to the method, the block chain technology is combined, the data hash before calculation and the result after calculation are chained, verification is carried out in a regular public or zero knowledge mode, and it is guaranteed that the data of the double-sending participants are real and cannot be tampered.

The invention discloses an orally-taken traditional Chinese medicine preparation which is used for treating facial paralysis caused by neuritis, the preparation is characterized by being prepared fromthe selected traditional Chinese medicine raw materials respectively, by weight, of 30 g of bupleurum, 17 g of scutellaria baicalensis, 14 g of schizonepeta, 15 g of saposhnikovia divaricata root, 15g of rhizoma typhonii, 15 g of rhizoma gastrodiae, 15 g of scorpion, 10 g of liquorice, 15 g of garden balsam stem, 20 g of incised notopterygium and 20 g of lumbricus. The drug properties of the selected traditional Chinese medicine raw materials are mutually complementary, selection of mutual inhibition, mutual restraint and mutual detoxication of the compatibility of the drugs is avoided, themutual promotion and mutual assistance actions of the drugs are remarkable, and the preparation has the efficacy of expelling wind and dredging collat and reconciling exterior and interior. The preparation is taken orally to treat the facial paralysis caused by neuritis and has definite efficacy.

The invention discloses anxiety-proof decoction and an orally-taken Chinese traditional medicinal preparation for treating symptoms such as dizziness and nausea, vexation and less sleep and difficultyin falling asleep. The orally-taken Chinese traditional medicinal preparation is characterized by being prepared from the following traditional Chinese medicinal raw materials in parts by weight: 8gof rhizoma coptidis, 5g of cortex cinnamomi, 20g of pericarpium citri reticulatae, 12g of rhizoma pinelliae, 15g of caulis bambusae in taeniam, 16g of fructus aurantii immaturus, 18g of radix paeoniaealba, 19g of radix rehmanniae, 12g of radix rehmanniae preparata, 20g of fried wild jujube seed, 12g of radix polygalae, 15g of rhizoma acori graminei, 35g of crude dragon bone, 35g of raw oyster shell, 20g of flos rosae rugosae and 15g of semen cannabis. The medicinal effects of raw herbal materials selected by the invention are complementary with one another, so that mutual inhibition, mutual restraint and mutual detoxication among drugs are avoided; in addition, the effects of mutual promotion and mutual assistance are enabled to be obvious; the anxiety-proof decoction has the efficacy ofregulating the center and reducing phlegm and clearing heat and soothing the nerves. The anxiety-proof decoction has definite effects for treating the symptoms such as the dizziness and nausea, the vexation, the less sleep and difficulty in falling asleep by orally taking.

The invention discloses a traditional Chinese medicine preparation for treating influenza and a preparation method of the traditional Chinese medicine preparation for treating influenza. The traditional Chinese medicine preparation for treating influenza is characterized by being prepared from, by weight, 15 parts of herba corydalis bungeanae, 20 parts of folium isatidis, 35 parts of radix isatidis, 15 parts of honeysuckle, 15 parts of radix astragali, 20 parts of fructus forsythiae, 20 parts of radix platycodi, 35 parts of herba taraxaci, 20 parts of rhizoma et radix polygoni cuspidati, 20 parts of radix scrophulariae, 10 parts of radix glycyrrhizae, 20 parts of herba houttuyniae and 20 parts of herba artemisiae apiaceae. Due to property complementation of raw medicinal materials, mutual inhibition, mutual restraint and mutual detoxication in compatibility of the raw medicinal materials are avoided, and remarkable functions of mutual promotion and mutual enhancement are achieved. The traditional Chinese medicine preparation for treating influenza has efficacies of heat clearing, detoxifying, inflammation resisting, sterilizing, swelling relieving and heat dissipating and is a pure orally-taken herbal medicine preparation for treating influenza.

The invention relates to an interactive zero knowledge proof method and device, computer equipment and a storage medium. The method comprises the following steps: converting the resource transfer datainto zero knowledge proof; obtaining computer integrity language data corresponding to the zero knowledge proof; converting the computer integrity language data into a polynomial constraint form; performing a low-degree test on the linear combinatorial polynomial based on an FRI protocol; and sending low-degree test data to the verification node, verifying whether the maximum degree of the linearcombinatorial polynomial is smaller than a preset value or not by the verification node according to the low-degree test data, and judging that the resource transfer is valid when receiving a certification acceptance message fed back by the verification node. In the whole process, a third party does not need to set public parameters, the content needing to be proved is converted into a linear combinatorial polynomial based on the FRI protocol to carry out a low-degree test process, the third party is prevented from being disgusted, and the zero-knowledge proof safety is remarkably improved.

The invention discloses a block chain service execution method and device based on a multi-signature smart contract. The method is applied to any block chain node. Comprising the steps of deploying a multi-signature smart contract; receiving a service execution request, generating a voting invitation corresponding to the service execution request under the condition that an initiator account of the service execution request belongs to the account with the voting right and a target service indicated by the service execution request belongs to the service supported by the multi-signature smart contract, and sending the voting invitation to the account with the voting right; receiving voting content fed back by the account with the voting right for the voting invitation, and verifying the legality of a signature in the voting content; determining whether the voting content passing the legality verification meets a preset passing condition or not; and if the passing condition is satisfied, calling an execution logic corresponding to the service indicated by the service execution request in the multi-signature smart contract, and executing the target service. By applying the scheme, the reliability of group decision service execution can be improved.

The invention belongs to the technical field of air caps, and particularly relates to an anti-blocking boiler air cap applied to the power station field. The anti-blocking boiler air cap comprises anair cap conical cover, an air cap sleeve, air cap holes and an executing mechanism, wherein a turbine drives a rotary shaft to rotate after being blown by air, and volute spiral springs are compressedfor energy storage; after the turbine rotates after being blown by air, executing rods in an anti-blocking mechanism can be quickly separated from the air cap holes, and normal ventilation of the aircap is achieved. After the air cap stops air blowing, the volute spiral springs release energy; the release speed of the volute spiral springs can be decreased through a fly wheel, and the effect that the rotary shaft can drive annular sleeves to slowly rotate through a first shaft sleeve, connection plates and a gear ring; and the executing rods in the anti-blocking mechanism can slowly penetrate through the air cap holes in a rotary mode, thus, the effect that high-temperature small-particle coal in the air cap holes can be discharged through the executing rods is ensured, in addition, a small space without the high-temperature small-particle coal can be formed through rotation of the rotary executing rods, and the situation that the air cap is blocked is avoided.

The invention discloses a method for improving the consensus efficiency of a blockchain, and the method comprises the steps: 1), enabling the number of all valid committee members in the blockchain tobe m, and generating a data block in each block output period t on the blockchain through a pBFT consensus algorithm; and 2) deploying a heartbeat monitoring smart contract in the blockchain, sendinga sign-in transaction in the heartbeat monitoring smart contract by all valid committee members in the blockchain within a specified time interval T, completing on-chain sign-in, then removing the valid committee members which are not signed in, and extracting nodes for inspection after removal. According to the invention, the valid committee members who do not sign in are removed, and differentcheck points are set for each group (one) of nodes, so that instant system paralysis caused by a herd effect can be effectively prevented.

The invention provides a dynamic cross-chain message forwarding method and system. Each node of a message initiation chain sends a cross-chain message to a relay chain node according to an inter-chain node corresponding relationship; the relay chain node verifies the correctness of the cross-chain message, and signs the message passing the verification; the relay chain node divides groups based on the negotiated dynamic factor, and establishes a corresponding relation of message sending of the nodes among the groups; the relay chain node performs broadcast aggregation of group internal node signatures, and when the number of signatures reaches a set threshold value, broadcast aggregation of inter-group node signatures is performed until the total signature reaches a preset threshold value; the relay chain node sends a message carrying the aggregation signature reaching the preset threshold value to the node of the target chain according to the inter-chain node corresponding relation, and the node of the target chain verifies the correctness of the message and the aggregation signature; the method can ensure that the message is real and credible, is not tampered and is reliably transmitted; and the efficiency of verifying the message and aggregating the signature by the relay chain node can be improved.

The invention belongs to the technical field of funnel caps, and particularly relates to a boiler funnel cap used in the power plant field. The boiler funnel cap comprises a funnel cap conical cover,a funnel cap sleeve, funnel cap holes and an executing mechanism, a turbine drives a rotation shaft to rotate after being blown by wind, and volute spiral springs are compressed to store energy; and after the turbine is blown by wind to rotate, lead screws in an anti-blocking mechanism can be quickly separated from the funnel cap holes, and the funnel cap can be normally ventilated. After the funnel cap stops being blown by wind, the volute spiral springs release energy; the rotating speed of the rotation shaft can be limited through design of frictional arc-shaped plates in a gear shifting mechanism, then the effect of decreasing the releasing speed of the volute spiral springs is achieved, and it is guaranteed that the rotation shaft drives loop sleeves to rotate at low speed through a first shaft sleeve, connecting plates and a gear ring; and in addition, the lead screws in the anti-blocking mechanism can slowly penetrate through the funnel cap holes in a rotating mode, therefore, it is guaranteed that the lead screws can extrude out high-temperature small-particle coal in the funnel cap holes, it is guaranteed that high-temperature small-particle coal near the outer sides of the funnel cap holes can not enter the funnel cap holes, and the condition that the funnel cap holes are blocked is finally avoided.